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ICS411M - PC Peripheral Clock | IDT | SOIC-8
ICS411M

ICS411M - PC Peripheral Clock | IDT | SOIC-8

The Integrated Device Technology ICS411M is a cost-effective PC peripheral clock synthesizer in an 8-SOIC package. The verified product data identifies it specifically for PC motherboard and peripheral applications, but does not provide a manufacturer-hosted technical datasheet. The component is therefore best characterized by its stated clock-generator role, legacy origin, package format, and reported distributor inventory rather than unsupported frequency, voltage, or timing claims. It belongs to the clock and timing IC hierarchy, where oscillators and clock synthesizers distribute timing signals used to coordinate digital logic. Its purpose in a personal computer was to support multiple peripheral buses or subsystem clocks while reducing the number of separate clock components required on the motherboard. An integrated clock synthesizer combines oscillator circuitry, frequency generation or distribution, and output-driver functions into one timing IC. Such devices help maintain defined relationships between digital signals. In computer systems, those relationships determine when processors, buses, storage controllers, and peripherals may exchange data. The ICS411M is described as a PC peripheral clock and is intended to optimize component count in PC motherboard and peripheral designs. Its 8-SOIC package provides a compact, surface-mount form suitable for legacy motherboard assembly, although physical dimensions and pin functions require confirmation from an authentic technical datasheet. The available evidence establishes three important procurement facts: ICS411M was originally associated with IDT, Integrated Device Technology Inc; it is packaged as 8-SOIC, listed with a nominal width of 3.90 mm; and distributor listings report inventory. However, the verified data does not state operating voltage, output count, supported clock frequencies, frequency tolerance, jitter, operating temperature, or pin assignments. Those values must not be inferred from similarly named clock ICs. This limitation is especially important because clock generators with the same package can differ substantially in pinout and output behavior. ICS411M is relevant when researching or maintaining older PC peripheral platforms rather than designing a new clock subsystem from first principles. Verified distributor listings include references to octopart clock buffers and drivers, but these search results do not establish a technical replacement or lifecycle recommendation. Before substitution, an engineer should compare the authentic ICS411M pinout, supply voltage, output waveform, frequency plan, enable logic, and timing margins. Octopart and the listed distributors can assist with sourcing, but manufacturer documentation remains the controlling source for design decisions. A typical legacy motherboard application would place the ICS411M among the system timing circuitry and route its outputs according to the original platform schematics. Because exact output assignments are unavailable in the verified data, PCB reuse cannot be approved from the package alone. Clock routing should remain short, reference planes should return cleanly, and unused outputs require the treatment specified by the original platform design. Modern replacements should not be assumed to be pin compatible. The key engineering caution is documentation completeness. Verify the original manufacturer or archived manufacturer datasheet before energizing, probing, or substituting ICS411M in powered equipment. Confirm device markings, supply rails, oscillator connections, and every package pin. This page deliberately distinguishes verified product identity from unverified technical assumptions and provides sourcing links, practical assessment guidance, and transparent data gaps for repair, maintenance, and legacy-system evaluation.

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ICS411MT - 25MHz LVCMOS PC Clock Generator | Renesas
ICS411MT

ICS411MT - 25MHz LVCMOS PC Clock Generator | Renesas

The Renesas Electronics ICS411MT is a PC peripheral clock synthesizer with PLL-based clock generation, an input clock interface, and LVCMOS output. It supports operation up to 25 MHz and contains one clock circuit in an 8-pin SOIC package. The device was developed as a cost-effective solution for PC motherboard and peripheral clock-distribution requirements, providing a compact alternative to discrete oscillator, divider, and buffer combinations. A clock generator is a timing IC that converts an input reference into one or more stable clock signals for digital systems. Clock synthesizers sit within the clock and timing IC family, where phase-locked loops (PLLs) can multiply, divide, or otherwise condition a reference frequency. Within a computer platform, the resulting clock can synchronize bus activity, interface circuits, peripheral controllers, and other logic that must operate from a common timing reference. Key characteristics of the ICS411MT include its PLL capability, clock input, LVCMOS output, maximum operating frequency of 25 MHz, and single-circuit architecture. These features make the part relevant to legacy PC motherboard and peripheral clocking where a compact integrated solution is preferred over multiple discrete timing components. Its 8-pin SOIC package also supports conventional surface-mount assembly and automated PCB production. Technically, the ICS411MT combines reference-clock conditioning with PLL-based frequency generation. A PLL synchronizes an output phase to a reference signal while permitting frequency synthesis through internal loop control. This architecture is useful when the board must derive a required operating clock from an available reference while maintaining a defined relationship between input and output. The manufacturer datasheet is the controlling document for loop bandwidth, jitter, operating limits, pin functions, and electrical characteristics. Typical applications include PC motherboard clock generation, peripheral interface timing, clock distribution for legacy computer logic, and replacement of discrete oscillator-and-divider networks. The device can also serve systems in which one LVCMOS clock domain must be reproduced for multiple downstream circuits. Board designers should verify timing margins, output drive, supply requirements, and all enable or feedback connections against the manufacturer datasheet before production. The primary design consideration is to treat the clock as a high-speed signal even though its maximum frequency is only 25 MHz. Route the output with a short, controlled-impedance path, keep the reference and output returns connected to a common ground plane, and place decoupling capacitors close to the supply pins. Avoid unnecessary stubs and test-probe loops that can degrade edge quality or introduce reflections. This page consolidates the verified clock-generator specifications, package information, sourcing workflow, pinout status, and engineering guidance for ICS411MT evaluation. It also distinguishes documented functionality from parameters that must be confirmed in the manufacturer datasheet, helping engineers assess fit before committing to a PCB or production release.

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ICS501AM - 200MHz PLL Clock Generator | Renesas Electronics
ICS501AM

ICS501AM - 200MHz PLL Clock Generator | Renesas Electronics

The Renesas Electronics ICS501AM is a single PLL-based clock generator that produces a CMOS clock output at up to 200 MHz from a lower-frequency crystal or clock input. It uses a 1:1 input-to-output ratio, accepts either clock or crystal input, and is housed in an 8-pin SOIC package measuring 3.90 mm wide. The ICS501A LOCO series provides a practical clock multiplication solution when a system requires a higher-frequency operating clock without requiring a full custom oscillator or complex external frequency-generation network. A PLL clock generator is a timing IC that phase-locks its output to a reference source and multiplies the reference frequency to produce a stable, high-frequency clock. Within the broader semiconductor hierarchy, the ICS501AM belongs to the clock and timing IC family, specifically the clock-generator and PLL subcategory. Its role in electronic systems is to distribute a high-speed clock for digital logic, processors, communication equipment, and other clocked circuits while maintaining a defined relationship to the input reference. The primary features of the ICS501AM are its maximum output frequency of 200 MHz, single-clock-generator configuration, 1:1 input-to-output ratio, PLL architecture, and CMOS output. The ability to operate from either a crystal or external clock gives the device flexibility in clock-tree design. Its 8-SOIC surface-mount package also allows relatively compact PCB placement compared with larger through-hole oscillator arrangements. These characteristics make the part useful where frequency generation, standard logic voltage compatibility, and manageable board area are important. Technically, the ICS501AM uses a phase-locked loop to generate a higher-quality clock output from a lower-frequency reference. The PLL-based approach provides a controlled relationship between the input reference and generated output, while the CMOS output supports integration with conventional digital timing circuits. The 1:1 ratio identifies the device as a clock-generation solution rather than a programmable integer or fractional-N frequency synthesizer. Exact input frequency limits, operating-voltage range, output jitter, and load-drive capability should be confirmed in the manufacturer datasheet before final circuit release. Typical applications include digital control systems, embedded processing platforms, communication modules, industrial control equipment, and general-purpose clock-distribution designs. In each case, the part can serve as the central clock source when a higher-frequency CMOS clock is required and a crystal or lower-frequency reference is already present. The absence of differential inputs or outputs also simplifies point-to-point clock routing, although signal-integrity and return-path design remain important at high clock rates. When laying out a design using the ICS501AM, keep the crystal, reference clock, feedback network, and decoupling paths consistent with the manufacturer reference configuration. Confirm all capacitance, drive-strength, and grounding requirements before fabrication because incorrect peripheral-component values or long loop lengths can affect PLL stability and clock quality. Validate startup, jitter, and output amplitude across temperature and supply-voltage corners rather than relying only on nominal simulation results. This product page combines the ICS501AM clock-generator specifications, verified package information, compatible same-family ordering options, and practical integration guidance. It provides engineers with a concise basis for initial design selection while directing detailed timing, electrical-limit, and qualification decisions to the Renesas manufacturer documentation.

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ICS501G - 160MHz PLL Clock Generator | Renesas | Timing
ICS501G

ICS501G - 160MHz PLL Clock Generator | Renesas | Timing

The Renesas Electronics ICS501G is a single-circuit PLL clock generator with a maximum frequency of 160MHz, CMOS output, and support for crystal or external clock inputs. It is available in 8-TSSOP and 8-MSOP packages, making it suitable for compact digital systems that require frequency multiplication or clock generation. The verified distributor listing identifies the device as an 8-pin surface-mount clock-generator IC. A PLL-based clock generator multiplies or conditions a lower-frequency reference to produce a stable, high-frequency clock for digital logic, processors, communications equipment, and embedded systems. The ICS501G belongs to the broader clock and timing hierarchy: oscillator and crystal support → clock generator → PLL clock multiplier → digital timing subsystem. Its CMOS output and 160MHz maximum frequency suit moderate-speed digital clocking requirements, although timing margins must be checked for the selected operating condition. Key verified attributes include PLL operation, one clock-generator circuit, a 1:1 input-to-output ratio in the cited specification summary, and no differential input or output. The available package information is 8-TSSOP or 8-MSOP, depending on the orderable package variant represented by the ICS501G family listing. The exact electrical limits, crystal-load details, output-drive capability, jitter, and recommended decoupling requirements were not supplied in the verified excerpts and must be confirmed in the manufacturer datasheet before layout release. Typical uses include microcontroller and processor clock generation, digital interface timing, embedded control systems, and communications modules requiring a local high-frequency reference. The device is intended to replace conventional crystal-oscillator arrangements in suitable electronic systems, according to the Renesas product description. Designers should account for supply voltage, output load, trace impedance, grounding, and the timing relationship between the generated clock and downstream circuitry. A key design consideration is to validate the reference clock and PLL configuration against the exact datasheet before production. Keep the oscillator and feedback paths short, provide a clean return path, and place required decoupling capacitors close to the supply pins. Because the verified data does not state the full pinout, pin names, or package-specific ordering details, those values remain subject to datasheet verification. This page consolidates verified distributor specifications, official Renesas datasheet information, application guidance, and drop-in replacement constraints into an engineering-focused component record for sourcing and design review.

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ICS501GI - 140MHz PLL Clock Generator | Renesas Electronics
ICS501GI

ICS501GI - 140MHz PLL Clock Generator | Renesas Electronics

Renesas Electronics ICS501GI is a PLL clock-generator integrated circuit that produces a high-quality clock output from a lower-frequency crystal or external clock input. The device supports operation up to 140 MHz, uses a CMOS output, and is packaged as an 8-TSSOP or 8-MSOP with a stated width of 0.118 inches, or 3.00 mm. It is intended for systems that require a stable, high-frequency clock without implementing a complete clock-generation subsystem on the host board. A PLL clock generator is a timing IC that multiplies or otherwise conditions a reference clock to produce one or more higher-frequency outputs. Clock generators belong to the broader clock and timing IC hierarchy, where they work alongside oscillators, dividers, buffers, phase-locked loops, and frequency synthesizers. Their primary function is to convert a convenient low-frequency crystal reference into the clock domain required by processors, communication circuits, converters, and digital peripherals. The ICS501GI uses a phase-locked loop, allowing an external clock or crystal to serve as the reference while the internal multiplier generates a higher-frequency CMOS clock. Its maximum listed operating frequency is 140 MHz. The device contains one clock-generation circuit and has a listed input-to-output ratio of 1:1 in the referenced specification summary. These characteristics make it suitable for designs requiring a compact, single-channel clock source rather than a programmable multi-output synthesizer. Renesas markets the ICS501 family under the LOCO name, describing it as a cost-effective method for generating a high-quality, high-frequency clock from a lower-frequency crystal or clock input. The CMOS output interface suits digital systems operating with CMOS-compatible logic levels. Because this ICS501GI variant is offered in a compact 8-pin TSSOP/MSOP package, it can support space-conscious boards while retaining separate connections for power, ground, reference input, and clock output. Typical uses include digital control systems, embedded processing modules, communications equipment, clock distribution for digital logic, and clock generation where a system already has a suitable reference crystal or external clock. The PLL-based approach can reduce the need for high-frequency external crystals while providing a clock output up to 140 MHz. System designers must still confirm loop stability, output jitter, startup behavior, load capacitance, and supply requirements against the manufacturer datasheet before releasing a production design. Layout should keep the reference-crystal or clock-input path short and route the high-speed CMOS output away from sensitive analog and communication nodes. Follow the manufacturer’s recommended input, output, and bypass-capacitor connections, and account for the required ground-return path under the exposed or connected ground pins. If frequency accuracy, jitter, or reference sensitivity is critical, evaluate the complete clock tree rather than relying only on the 140 MHz maximum-frequency headline figure. This page combines the Renesas family identification, distributor package details, PLL and frequency specifications, pin-compatible cross-reference findings, and practical selection guidance. It also distinguishes verified drop-in candidates from generic cross-reference tools, helping engineers focus on same-package replacements that still require datasheet-level timing and application validation.

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ICS501GT - 160MHz PLL Clock Generator | Renesas Electronics
ICS501GT

ICS501GT - 160MHz PLL Clock Generator | Renesas Electronics

Renesas Electronics ICS501GT is a single-circuit PLL clock generator IC with a maximum operating frequency of 160 MHz, accepting either a crystal or clock input and providing a CMOS clock output. The device is offered in an 8-TSSOP, also identified as an 8-MSOP measuring 0.118 inch by 3.00 mm wide. Its 1:1 input-to-output ratio and integrated PLL make it suitable for replacing multiple discrete crystal-oscillator functions with one clock-generation component. A clock generator IC is a timing semiconductor that converts a lower-frequency crystal or external clock into a stable, high-frequency clock required by digital systems. Clock generators occupy the Clock & Timing category and may include oscillator, PLL, frequency multiplier, divider, and buffer functions. The ICS501GT uses phase-locked-loop technology to multiply a reference frequency while providing a CMOS output suitable for digital logic and communications equipment. Principal features include a maximum frequency of 160 MHz, one internal clock-generating circuit, support for crystal or clock inputs, and CMOS output. The 1:1 ratio indicates that the nominal output follows the selected reference relationship without an integer multiplication factor other than the internally programmed PLL ratio. The single-circuit architecture simplifies designs that require only one principal clock domain and reduces the number of separate oscillator packages and interconnections. The ICS501GT is identified as a LOCO-family device, with LOCO standing for Low Cost Oscillator. Its PLL-based approach is intended to produce a high-quality, high-frequency clock from a lower-frequency crystal or clock source. The resulting CMOS output can serve digital processors, programmable logic, interface controllers, and other clocked subsystems, provided that the reference frequency, operating voltage, output loading, and timing requirements are checked against the device specifications. Typical applications include communications and networking modules, industrial control equipment, consumer electronics, embedded digital systems, and FPGA or microcontroller clock trees. In these systems, the part can centralize clock generation, reduce crystal-oscillator component count, and provide a consistent clock source to multiple sequential logic domains. The exact frequency plan must remain within the 160 MHz maximum and comply with the PLL multiplication and timing limits defined by the manufacturer datasheet. The primary design consideration is confirming the complete pin configuration and reference requirements before layout. Crystal load capacitance, grounding, output termination, supply decoupling, and unused-pin treatment all affect clock quality and reliability. Follow the manufacturer pin-description table and recommended application circuit when assigning PCB tracks, and preserve short return paths from the clock output to the load to limit susceptibility to edge degradation and crosstalk. This product page organizes the ICS501GT clock-generator specifications, package information, documented substitution candidates, application guidance, and practical design notes into one engineering-focused reference. It supports faster part identification while highlighting the decisions engineers must still verify: frequency ratio, electrical limits, pin compatibility, lifecycle suitability, and application-specific timing requirements.

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ICS501M - 160 MHz PLL Clock Generator | Renesas | SOIC-8
ICS501M

ICS501M - 160 MHz PLL Clock Generator | Renesas | SOIC-8

The Renesas Electronics ICS501M is a LOCO PLL clock-multiplier and clock-generator IC with a 2 MHz to 50 MHz input range and up to 160 MHz output, housed in an 8-pin SOIC package. It generates high-frequency clock signals from a lower-frequency crystal or clock input, making it useful where a board requires local frequency multiplication without relying on a full crystal oscillator. The verified product listing identifies the ICS501M as a clock-generator IC with a 160 MHz maximum output and an 8-SOIC package. A clock generator is an integrated timing device that accepts a reference clock and produces one or more clock outputs with controlled frequency and phase relationships. A PLL clock multiplier belongs to the clock and timing IC hierarchy, alongside oscillators, frequency synthesizers, phase-locked loops, and clock buffers. The ICS501M uses phase-locked-loop techniques to multiply a lower-frequency source into a higher-frequency output, reducing the need for a high-speed crystal when the downstream circuit can tolerate the device’s timing characteristics. The verified ICS501M data specifies a 2 MHz to 50 MHz input range and a maximum 160 MHz output. Its 8-pin SOIC package is a surface-mount gull-wing package, and distributor records classify the device as a clock-generator or PLL clock-multiplier IC. The available material also identifies the LOCO product family as a cost-effective way to produce high-quality high-frequency clock outputs from lower-frequency crystals or clock inputs. Detailed operating-temperature, voltage, jitter, output-waveform, and load-current values are not present in the supplied verified data. Typical design use includes communications and networking equipment, digital logic requiring a multiplied reference clock, embedded systems, instrumentation, and embedded processing platforms. The device can be placed after a stable low-frequency crystal or digital clock source when the receiving circuitry needs a higher clock frequency. Designers should verify output frequency tolerance, phase noise, supply requirements, and timing margins against the downstream load before releasing a production design. The key design consideration is that frequency multiplication is not a substitute for verifying the complete clock chain. The reference source, crystal or source impedance, PLL loop behavior, output loading, and downstream timing requirements must be checked together. Because the supplied data does not include the full electrical timing table, those parameters remain marked as data needed rather than inferred. This page combines verified distributor and manufacturer-document references, package information, application context, pricing status, and replacement-screening guidance. It is intended to support preliminary BOM research while directing engineers to the exact manufacturer datasheet for final electrical, timing, reliability, and qualification decisions.

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ICS501MI - 140MHz LOCO PLL Clock Multiplier | Renesas Electronics
ICS501MI

ICS501MI - 140MHz LOCO PLL Clock Multiplier | Renesas Electronics

The Renesas Electronics ICS501MI is a LOCO PLL clock multiplier that generates a high-quality, high-frequency clock output from a lower-frequency crystal or clock input. It supports input frequencies from 2 MHz to 50 MHz and provides an output clock up to 140 MHz in an 8-pin SOIC package. The device is designed to replace conventional crystal oscillators in electronic systems where a stable reference clock multiplied to a higher frequency is required. A PLL-based clock generator is a timing IC that phase-locks an output signal to a reference source and multiplies the reference frequency. In the broader clock and timing hierarchy, the ICS501MI belongs to the PLL clock-multiplier family, a type of clock and timing IC used for frequency synthesis, clock distribution, and digital system timing. Its LOCO designation reflects a low-cost oscillator architecture intended to provide economical frequency multiplication without requiring a separate high-frequency crystal resonator. The ICS501MI accepts a fundamental-mode crystal or external clock source, making it useful for processor, communication, control, and embedded digital systems. The 140 MHz maximum output frequency provides ample headroom for systems requiring a higher-frequency operating clock from a lower-cost reference. Its 8-SOIC package is compatible with conventional surface-mount PCB assembly methods and is suitable for designs where component count and board area must be controlled. The principal design consideration is ensuring that the reference crystal, external clock, feedback network, and output interface meet the timing requirements of the target system. The PLL must operate within the specified input and output frequency ranges, and the associated passive components should be placed close to the device to minimize clock noise and signal-integrity degradation. The output clock should be routed away from high-current switching nodes and noisy analog sections of the board. Typical applications include digital controller clocking, communications equipment, embedded processors, industrial control systems, and general-purpose frequency multiplication. Using a PLL multiplier can reduce the number of specialized high-frequency crystals required in a design and provide a flexible way to derive multiple system timing domains. XAIPART provides an engineering-focused product record with manufacturer documentation, package information, practical design guidance, and verified sourcing details for design review and procurement.

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ICS502M - 190MHz LOCO PLL Clock Multiplier | Renesas
ICS502M

ICS502M - 190MHz LOCO PLL Clock Multiplier | Renesas

Renesas Electronics ICS502M is a LOCO PLL clock multiplier that generates a high-quality clock output and reference from a low-frequency crystal or clock input. The device supports input clock frequencies from 2 MHz to 50 MHz and output clock frequencies up to 190 MHz, with a 3.0 V to 5.5 V operating-voltage range. It is packaged in an 8-pin SOIC and is designed to replace crystal oscillators in electronic systems requiring multiplied clock outputs. The low-cost oscillator architecture uses phase-locked-loop techniques and a standard fundamental-mode crystal to provide a compact frequency-multiplication solution. A clock generator, also called a clock multiplier or PLL clock generator, converts a lower-frequency reference into one or more higher-frequency timing signals. Within the broader clock and timing hierarchy, the ICS502M belongs to the oscillator family, the clock-generator family, and ultimately the timing-control IC category. Its phase-locked loop compares the reference with a divided feedback signal, adjusts the internal oscillator, and produces a stable multiplied output. This architecture makes it useful in systems needing a clock rate that is inconvenient or unavailable from a discrete crystal. Key verified features include a maximum output frequency of 190 MHz, input-frequency support from 2 MHz to 50 MHz, low jitter of 50 ps one sigma, and operation from 3.0 V to 5.5 V. The output can support 25 mA drive capability at TTL levels. Duty-cycle behavior is specified at 45/55 through 160 MHz, which is relevant when clocking TTL-compatible logic. The advanced low-power CMOS process supports portable and embedded equipment where clock generation must combine compactness with controlled power consumption. The ICS502M is suited to CPU and digital-logic clocking, communications equipment, test and measurement systems, industrial controls, and embedded platforms that can tolerate the deterministic jitter of a PLL-derived clock. Because PLL multiplication depends on the reference and feedback configuration, board-level layout, supply integrity, loop stability, and output loading can influence signal quality. The 8-pin SOIC package is straightforward to assemble but requires careful decoupling close to the supply pins and short, controlled clock routes to minimize added noise and skew. Designers should verify the required multiplication ratio, output frequency, duty-cycle limits, jitter budget, supply voltage, and downstream load before finalizing a design. They should also compare the PLL-derived output against the phase-noise requirements of any receiver, serializer, processor, or ADC. The manufacturer datasheet remains the authoritative source for programming details, timing characteristics, electrical limits, and the complete pin assignment. This page consolidates the verified manufacturer and distributor information for ICS502M, adds application-specific engineering context, and identifies same-package alternatives where the available cross-reference data supports direct replacement. It also distinguishes verified facts from parameters that still require confirmation from the complete datasheet or application-specific testing.

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ICS502MI - 140MHz LOCO PLL Clock Generator | Renesas Electronics
ICS502MI

ICS502MI - 140MHz LOCO PLL Clock Generator | Renesas Electronics

The Renesas Electronics ICS502MI is a LOCO PLL clock multiplier and clock generator that produces a high-quality, high-frequency CMOS clock output from a lower-frequency crystal or clock input. The device supports a maximum frequency of 140 MHz, uses PLL technology, provides one clock circuit, and is specified for differential input/output operation of No/No. It is packaged in an 8-SOIC surface-mount package measuring 0.154 inch width. The operating supply voltage range is 3 V to 5.5 V, and the specified operating temperature range is -40°C to +85°C. The ICS502MI is intended for systems that need a stable reference clock or multiplied clock output without relying on a high-frequency source directly. A LOCO PLL clock generator is a clock-and-timing integrated circuit that multiplies a low-frequency reference into a higher-frequency output. The reference can be a crystal or an external clock, and the internal PLL helps produce a higher-frequency clock for digital logic, communications, control electronics, and embedded systems. In system terms, it belongs to the clock generator and phase-locked-loop hierarchy, which sits within clock-and-timing integrated circuits and semiconductor timing-control devices. Its CMOS output is intended to drive downstream digital circuitry requiring a stable reference frequency. The ICS502MI’s main engineering characteristics include a 140 MHz maximum frequency, a 2:2 input-to-output ratio, one clock circuit, CMOS output, and PLL operation. Its 3 V to 5.5 V supply range allows use in both 3.3 V and 5 V system rails, although the clock-generation architecture and output behavior should be checked against the complete manufacturer datasheet for each board design. The -40°C to +85°C operating range covers industrial-temperature requirements commonly encountered in industrial controls, embedded equipment, communications hardware, and test systems. The 8-SOIC package supports standard surface-mount assembly and provides a practical footprint for designs that do not require a tiny BGA or QFN package. The device is identified as obsolete by the available product listing, so current supply and lifecycle planning require careful review before committing to a new production design. Engineers evaluating a replacement should compare the reference-input method, PLL configuration, output frequency range, supply voltage, pinout, package, timing characteristics, and operating-temperature requirements. A functionally similar clock generator is not automatically a drop-in replacement because reference pins, feedback configuration, output enable behavior, and output edge characteristics must match the original PCB footprint. Typical uses include generating a system reference for digital logic, providing a multiplied clock for communications equipment, and supplying a CMOS clock in embedded industrial systems. The reference source and external component values must be selected using the manufacturer’s recommended application circuit and electrical characteristics. Because this is a timing device, board layout should keep the crystal or reference input connections short, maintain a clean supply path, and provide suitable bypassing close to the device. For implementation, verify the exact pin assignment, recommended crystal load capacitance, output-drive configuration, and power-supply sequencing requirements in the manufacturer datasheet. Place decoupling capacitance close to the supply pins and route high-speed clock outputs over controlled-impedance traces when they feed sensitive digital or communications circuitry. This page summarizes the available ICS502MI specifications, lifecycle information, package data, sourcing path, and replacement-evaluation considerations.

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ICS502MT - 190MHz PLL Clock Generator | Renesas Electronics
ICS502MT

ICS502MT - 190MHz PLL Clock Generator | Renesas Electronics

Renesas Electronics ICS502MT is a LOCO PLL clock generator IC that produces a high-quality, high-frequency clock output and reference from a lower-frequency crystal or clock input. The device supports operation up to 190 MHz, uses one clock-generation circuit, and is available in an 8-SOIC surface-mount package. Its supply-voltage range is 3 V to 5.5 V, making it suitable for conventional low-voltage digital and communication systems. A PLL clock generator is a clock-and-timing IC that uses phase-locked-loop technology to multiply, divide, or otherwise condition an input frequency into a stable output clock. In the broader semiconductor hierarchy, the ICS502MT belongs to clock and timing integrated circuits, clock generators, frequency synthesizers, and power-management-dependent signal-support devices. Its LOCO architecture provides a practical way to derive a higher-frequency operating clock without requiring a high-frequency external oscillator. Key features include a maximum output frequency of 190 MHz, a CMOS output, PLL operation, and support for either a crystal or external clock input. The 8-SOIC package is 0.154 inch, or 3.90 mm, wide and is supplied in tape-and-reel form for automated production assembly. A single clock-generation circuit keeps the device focused on compact systems that need one principal clock output rather than multiple independent outputs. ICS502MT can multiply a lower-frequency reference into a high-frequency clock suitable for digital logic, communications equipment, and embedded processing systems. Because PLL-based generation depends on stable reference and feedback behavior, component placement, power-supply integrity, output loading, and crystal or source selection remain important. The device's CMOS interface also requires attention to voltage levels and signal-integrity practices when driving external loads or long PCB traces. Typical uses include digital control systems, communication modules, processor clock trees, embedded platforms, and interface subsystems that require a reference-derived clock. Its single-circuit architecture is advantageous when the design needs one high-quality clock and additional logic would add unnecessary cost, board area, or power consumption. Verify the required multiplication ratio, input-frequency range, output jitter, and timing margins against the complete manufacturer documentation before committing a new design. A primary design consideration is to preserve a clean reference path from the crystal or clock source to the ICS502MT, while placing output-bypass and decoupling capacitors close to the supply pins. Follow the manufacturer's recommended crystal load capacitance and PCB layout because incorrect loading can shift frequency or impair startup. This page combines the device specifications, sourcing guidance, application context, and replacement considerations that engineers need when integrating the ICS502MT into a clock-generation design.

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ICS503M - 160MHz LOCO PLL Clock Generator | Renesas Electronics
ICS503M

ICS503M - 160MHz LOCO PLL Clock Generator | Renesas Electronics

The Renesas Electronics ICS503M is a 160 MHz clock generator IC and LOCO PLL clock multiplier packaged in an 8-pin SOIC measuring 3.90 mm wide. It is designed to generate a high-quality, high-frequency clock output from a low-frequency crystal or clock input. The supplied distributor record identifies the ICS503M as a clock generator with one output and an 8-SOIC package. A PLL clock multiplier is a timing IC that multiplies a lower-frequency reference into a higher-frequency clock. This clock generator belongs to the broader hierarchy of oscillator and clock ICs, frequency synthesizers, timing devices, and semiconductors. The LOCO family was designed as a cost-effective way to produce a high-quality, high-frequency clock when the source frequency is substantially lower than the required system clock. The ICS503M's primary documented specifications are its 160 MHz maximum clock-generator frequency and single-output configuration. Its 8-SOIC surface-mount package provides a compact implementation for communication, networking, industrial, and digital-system clock trees. The 3.90 mm package width is explicitly stated by the distributor listing, while additional electrical limits and detailed timing characteristics were not included in the provided verified extraction. The LOCO architecture separates clock generation from the frequency source. A low-frequency crystal or external clock can be multiplied by the internal PLL to produce the required output frequency. PLL-based generation can reduce the cost and size of the frequency reference compared with using a high-frequency resonator, although loop filter selection, reference stability, output jitter, and startup behavior must be evaluated in the target design. Typical uses include generating a high-frequency communication clock from a lower-frequency reference, supporting digital processors and programmable logic, and clocking interface or data-conversion systems. The ICS503M can also serve as a clock-tree element where one low-frequency source must be multiplied before distribution to multiple downstream circuits. Designers should confirm the complete pinout, reference-input range, output waveform, supply voltage, output drive, jitter, lock behavior, and stability requirements against the manufacturer datasheet before layout release. Because only summary distributor specifications were provided, these implementation-critical values remain deliberately unresolved rather than estimated. This page combines the verified 160 MHz, single-output, and 8-SOIC package information with traceability to the available distributor and datasheet listings. It also distinguishes confirmed data from unavailable parameters, provides application-oriented engineering context, and avoids presenting unsupported pin assignments, prices, or substitution claims as verified facts.

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ICS503MT - LOCO PLL Clock Multiplier | Renesas | 8-SOIC
ICS503MT

ICS503MT - LOCO PLL Clock Multiplier | Renesas | 8-SOIC

The Renesas ICS503MT is a LOCO PLL clock multiplier and clock generator designed to produce a higher-frequency clock output from a lower-frequency crystal or clock input. The device is listed in an 8-SOIC surface-mount package, operates from a 3 V to 5.5 V supply, and supports a 0 °C to 70 °C operating-temperature range. It is categorized as a clock generator, PLL, frequency synthesizer, and clock/timing integrated circuit. A PLL clock multiplier is a timing semiconductor that uses phase-locked-loop technology to derive a stable output clock from a lower-frequency reference. This type of device belongs to the clock and timing IC hierarchy, alongside clock generators, frequency synthesizers, PLL-based multipliers, and other timing-control components. The ICS503MT is intended for systems that require a controlled clock relationship between an input reference and a multiplied output. The ICS503MT accepts either a crystal or clock input and produces a CMOS clock output. Its 8-SOIC package supports surface-mount assembly, while the listed reel packaging is suitable for automated production handling. The 3 V to 5.5 V operating-supply range allows use in conventional 3.3 V and 5 V digital systems when the downstream clock requirements match the device specifications. The device is identified as obsolete or end-of-life in the product information, so new designs should confirm lifecycle status and sourcing requirements before committing the ICS503MT to a production BOM. For an existing design, engineers should review the manufacturer datasheet for the exact multiplier ratios, crystal recommendations, output characteristics, timing limits, electrical limits, and package drawings before modifying the circuit. Typical uses for this device include legacy digital equipment, embedded control systems, communications equipment, and other clocked electronics that already have a validated ICS503MT board layout. The primary design consideration is preserving the original footprint and reference-source configuration; changing crystal frequency, load capacitance, supply voltage, or output loading can alter timing behavior. This page combines the listed package, electrical, environmental, lifecycle, and application characteristics with practical guidance for legacy-clock restoration and replacement assessment. It also distinguishes verified device facts from parameters that require confirmation in the manufacturer datasheet.

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ICS508M - 250 MHz PECL-to-CMOS Clock Converter | Renesas
ICS508M

ICS508M - 250 MHz PECL-to-CMOS Clock Converter | Renesas

The Renesas Electronics ICS508M is a single-circuit clock converter that generates a high-quality CMOS clock output from a PECL input and supports frequencies up to 250 MHz. The device is packaged in an 8-pin SOIC measuring 3.90 mm wide, with separate VDD supply connections identified in the manufacturer documentation. It operates without a PLL, uses a 1:1 input-to-output ratio, and has one differential input section with a single-ended CMOS output. A clock converter is a clock-and-timing IC used to bridge incompatible electrical interfaces while preserving the timing information of a periodic signal. Within the broader hierarchy, a clock converter belongs to clock generation and timing ICs, alongside clock buffers, clock multipliers, dividers, phase-locked loops, and distribution devices. The ICS508M is specifically a logic-level conversion device rather than a frequency synthesizer, so its main function is interface translation instead of frequency multiplication or division. The verified headline characteristics are a maximum operating frequency of 250 MHz, PECL input, CMOS output, a 1:1 input-to-output ratio, no PLL, and one clock circuit. These features make the ICS508M useful when a system contains a high-speed PECL clock source but the receiving logic requires a CMOS-compatible clock. The 1:1 relationship means the converter does not intentionally change the fundamental clock frequency while transferring it between the two logic families. The ICS508 uses separate supply connections for its input and output sections, a characteristic that helps the two interfaces operate in their respective voltage domains. The manufacturer documentation also identifies the ICS508 as a cost-effective method for producing a high-frequency CMOS clock from a PECL source. Exact supply-voltage tolerances, input-output delay, output jitter, rise and fall time, temperature range, and package dimensions beyond the stated width were not available in the supplied verified data and therefore require confirmation from the manufacturer datasheet. Typical clock-converter applications include high-speed digital backplanes, telecommunications timing interfaces, FPGA or ASIC clock-interface conversions, and legacy systems that mix ECL-family clocking with CMOS logic. The ICS508 can also be evaluated for instrumentation and test systems where a PECL oscillator is available but the destination device expects a CMOS clock. In every case, the source and destination logic levels, voltage rails, edge-rate requirements, and system timing budget must be checked before implementation. A key design practice is to treat the PECL input and CMOS output as separate high-speed signal paths. Use short, impedance-controlled connections, minimize parasitic capacitance, provide the required local decoupling, and validate source and load termination with an oscilloscope or suitable high-bandwidth test equipment. Do not infer differential signal integrity, jitter performance, or logic thresholds from the basic frequency and interface specifications alone. This product record combines the verified distributor and manufacturer data with an explicit distinction between documented facts and missing parameters. It also identifies where application-specific companion parts may help engineers build a broader clocking system, while clearly noting that no pin-compatible replacement was verified by the supplied cross-reference results.

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ICS508MI - 250MHz PECL to CMOS Clock Generator | Renesas
ICS508MI

ICS508MI - 250MHz PECL to CMOS Clock Generator | Renesas

The Renesas Electronics ICS508MI is a single-channel clock generator and PECL-to-CMOS converter rated to 250 MHz, with a 1:1 input-to-output ratio, housed in an 8-pin SOIC (0.154 inch, 3.90 mm width) surface-mount package. It accepts a PECL reference clock and produces a CMOS clock output from a 2.375 V to 5.5 V supply, and it belongs to the ICS508 ClockBlocks clock generator family. A clock generator is a timing IC that produces a stable, distributed clock signal for the digital blocks of a system. A PECL-to-CMOS converter is a specialised clock-buffer function: positive emitter-coupled logic (PECL, also called ECL) is a high-speed differential-style bipolar logic standard used inside high-speed telecom and datacom equipment, while CMOS is the low-noise, low-power logic family used by most modern ASICs, FPGAs and processors. A converter of this type sits in the hierarchy clock generator > clock buffer > clock and timing IC > integrated circuit, and it is used when a design must translate an ECL/PECL domain clock onto a CMOS domain rail without adding a PLL or changing the fundamental frequency. Key features of the ICS508MI include a maximum operating frequency of 250 MHz, a single output circuit with no internal PLL, a fixed 1:1 divide ratio between input and output, and a differential-input capable interface. The device operates from a 2.375 V to 5.5 V supply and is specified in the 8-SOIC surface-mount package, with tube packing indicated by the MI ordering suffix. Architecturally the ICS508MI is deliberately simple. There is no PLL, no VCO and no programmable divider chain, so the output is a buffered and level-shifted replica of the input clock with deterministic phase behaviour and very low added jitter relative to PLL-based solutions. The ICS508 family uses separate supply pins for the PECL input side and the CMOS output side, which allows the converter to be operated at the supply level that best suits each side of the interface, such as 5 V PECL driving a 2.5 V CMOS core. Typical applications include telecom line-card and cross-connect equipment, network interface cards, SONET/SDH and Ethernet line cards, high-speed backplane distribution, test and measurement instrumentation, and any board that mixes ECL/PECL clocking with CMOS logic. The key design consideration is supply partitioning: keep the PECL and CMOS supply rails decoupled, terminate PECL inputs with the appropriate bias network, and observe the recommended output termination to avoid edge degradation at 250 MHz. This page consolidates the ICS508MI specifications, drop-in alternatives, packaging details and practical layout guidance into one reference, adding engineering context that is not in the manufacturer datasheet itself.

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ICS508MT - 250 MHz PECL-to-CMOS Clock Converter | Renesas
ICS508MT

ICS508MT - 250 MHz PECL-to-CMOS Clock Converter | Renesas

Renesas Electronics ICS508MT is a PECL-to-CMOS clock converter with a maximum operating frequency of 250 MHz, a 1:1 input-to-output ratio, and one clock channel. The device converts a differential PECL clock input into a single-ended CMOS clock output, providing a practical interface between high-speed PECL circuitry and conventional CMOS logic. It is housed in an 8-pin SOIC package measuring 3.90 mm in body width. A clock converter is an interface IC within the clock and timing hierarchy, where clock-generation and clock-buffer functions support digital logic, communications, and signal-processing systems. PECL, or positive emitter-coupled logic, is a high-speed differential signaling format, while CMOS provides a single-ended output suitable for driving conventional digital circuitry. The ICS508MT bridges these electrical domains without using a PLL. Key features include a 250 MHz maximum clock frequency, one converter circuit, a 1:1 input-to-output ratio, and separate VDD supplies for voltage translation. Differential clock input supports noise-resistant high-speed transmission, while the CMOS output provides a compatible signal for downstream digital logic. The absence of a PLL also means no multiplication or division function is added by this device. Technically, the ICS508MT is a clock translator rather than a frequency synthesizer. It preserves the input clock relationship at its output while changing the interface from differential PECL to single-ended CMOS. Separate supply domains allow the input and output circuitry to operate from different supply voltages, which is useful when connecting clock sources and logic devices that use different rail levels. Designers must still provide suitable decoupling and high-speed routing between the source, converter, and receiving logic. Typical applications include telecommunications and data-communications clock distribution, high-speed digital backplanes, FPGA clock interfaces, network equipment, and test instrumentation. The part is particularly appropriate when a board contains a PECL clock source but the receiving logic requires a CMOS-compatible clock. When designing around the ICS508MT, prioritize short, controlled impedance traces, solid grounding, and manufacturer-recommended bypass capacitors. Check that the PECL common-mode and termination arrangement matches the clock-source requirements, and verify the output supply and logic thresholds against the downstream device. This page combines the defining ICS508MT specifications, practical interface guidance, and verified drop-in alternatives. It also distinguishes the device from true clock generators and PLL-based converters so engineers can select it according to interface, frequency, packaging, and supply-domain requirements.

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ICS511M - 200MHz LOCO PLL Clock Generator | Renesas Electronics
ICS511M

ICS511M - 200MHz LOCO PLL Clock Generator | Renesas Electronics

Renesas Electronics ICS511M is a LOCO PLL clock generator IC designed to produce a high-quality high-frequency clock output from a lower-frequency crystal or clock input. The verified distributor information identifies the device as a 200 MHz clock generator with PLL capability, CMOS output, and an 8-SOIC surface-mount package measuring 0.154 inch, or 3.90 mm, in width. Its operating supply range is 3.135 V to 5.25 V. A clock generator is a timing IC that converts a stable low-frequency reference into a higher-frequency clock required by digital logic, communications equipment, processors, and interface circuits. A phase-locked loop, or PLL, is the feedback-based clock architecture used in the ICS511M. In this product hierarchy, ICS511M is a clock generator with PLL capability, belonging to the clock and timing IC family within integrated circuits and power-management-adjacent digital systems. The LOCO product family is intended to provide economical frequency multiplication and clock distribution functions. The principal verified specifications include a maximum frequency of 200 MHz, one clock circuit, PLL operation, clock or crystal input, and CMOS output. These characteristics make ICS511M suitable for systems that require a local high-frequency clock without using a dedicated high-speed processor clock tree. The 8-SOIC package supports conventional surface-mount assembly and is distinct from larger leaded packages. The 3.135 V minimum and 5.25 V maximum supply limits place it in a low-voltage digital supply range. The typical clock-generation topology connects a crystal or external clock source to the input, configures the PLL multiplication ratio, and feeds the resulting CMOS clock into the target digital subsystem. This arrangement can reduce the number of high-frequency clock sources required across a board while centralizing frequency generation. Compared with a free-running oscillator, the PLL approach allows the output frequency to be related to an external reference. Compared with a microprocessor that includes an internal PLL, ICS511M provides a separate timing source that can be shared by multiple functional blocks when the circuit design allows it. ICS511M can be used in communications equipment, digital control systems, embedded processing platforms, clocked logic, and industrial or consumer electronics requiring a stable high-frequency reference. Designers should verify the complete input-frequency range, output-frequency limits, jitter, duty-cycle, timing, and loop-filter requirements against the manufacturer datasheet before finalizing a design. Those parameters are not present in the supplied verified web data and must be confirmed before production use. This page combines verified distributor and manufacturer references, the available LOCO-series identification, a package-level comparison framework, and practical selection guidance. It also distinguishes verified information from parameters that require datasheet confirmation, helping engineers evaluate ICS511M without treating generic PLL or clock-generator claims as part-specific facts.

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ICS511MI - 160MHz Single PLL Clock Generator | Renesas
ICS511MI

ICS511MI - 160MHz Single PLL Clock Generator | Renesas

The Renesas Electronics ICS511MI is a single-phase-locked-loop clock generator with a maximum operating frequency of 160 MHz, clock or crystal input, and CMOS output in an 8-pin SOIC package. Its 1:1 input-to-output ratio and low-cost LOCO architecture are designed for generating a high-quality clock output from a lower-frequency crystal or clock source. A clock generator is an integrated timing device that converts a reference clock or crystal into one or more stable timing signals. Within the broader semiconductor hierarchy, the ICS511MI is a PLL clock generator, a clock and timing IC, and ultimately a power-management-adjacent frequency-generation component. Its single-channel structure simplifies designs that require a local high-frequency clock rather than a more complex multi-output timing architecture. The ICS511MI provides a maximum operating frequency of 160 MHz, accepts either clock or crystal input, and produces a CMOS output. The listed input-to-output ratio is 1:1, indicating that the generated output frequency corresponds directly to the supplied reference relationship. Its operating temperature range extends from -40°C to +85°C, allowing operation across industrial temperature environments when the external reference and load conditions meet the device requirements. Internally, the device uses a single PLL to multiply or organize a lower-frequency reference into a higher-frequency clock. This approach offers a practical alternative to relying solely on a high-frequency external oscillator when the system requires a locally generated, specified timing signal. The one-circuit implementation also reduces board area compared with solutions containing several clock-generation channels. Typical applications include communication equipment, digital signal-processing systems, frequency conversion, clock multiplication, and general digital subsystems requiring a local CMOS clock. The ICS511MI is particularly relevant to compact designs where an 8-pin surface-mount package and a single clock output are preferred over a larger multi-channel timing device. Designers should select the reference frequency and external loop-filter components according to the manufacturer recommendations, then verify output jitter and acquisition behavior across the intended frequency range. Board layout should keep the crystal or clock path short, provide a clean return path, and place support components close to the device to reduce susceptibility to noise and parasitic feedback. This product page combines the ICS511MI device identity, verified operating parameters, packaging information, drop-in comparison candidates, and practical design guidance. It also highlights the distinctions that matter when evaluating clock-frequency range, package compatibility, reference input method, and application suitability before making a replacement decision.

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ICS511MT - 200MHz PLL Clock Generator | Renesas Electronics
ICS511MT

ICS511MT - 200MHz PLL Clock Generator | Renesas Electronics

The Renesas Electronics ICS511MT is a single-output PLL clock generator IC designed to produce a high-frequency CMOS clock from a lower-frequency crystal or clock input, with a maximum output frequency of 200 MHz. It is packaged in an 8-pin SOIC measuring 3.90 mm wide. The ICS511MT is identified as a LOCO PLL clock multiplier, a clock-generation approach used to multiply a reference clock while providing a stable, high-quality output for digital systems. A PLL clock generator, also called a frequency multiplier or clock synthesizer, belongs to the clock and timing IC category. It uses a phase-locked loop to derive an output frequency from a reference source. The reference can be a crystal oscillator or external clock, and the generated CMOS output is suitable for systems requiring a higher-frequency operating clock than the source provides. Key features of the ICS511MT include PLL clock multiplication, a maximum frequency of 200 MHz, one clock circuit, CMOS output, and support for both crystal and clock inputs. The 1:1 input-to-output ratio is listed for the device, while the PLL architecture provides a practical route to generating a high-frequency clock from a lower-frequency reference. Its single-circuit configuration suits designs requiring one multiplied clock rather than multiple independently generated outputs. Technically, the ICS511MT is intended for clock generation where the output must be derived from a stable reference. The use of a crystal input supports designs that require predictable frequency behavior, while clock input support allows the device to operate from an existing system reference. The CMOS output interface makes it relevant to digital logic, processor, communications, and embedded-control systems requiring a high-speed clock signal. Typical applications include clocking for digital processors, communications equipment, test and measurement systems, embedded control platforms, and general-purpose digital logic. The device can reduce the need for multiple external clock-generation solutions when a single high-frequency CMOS clock is sufficient. Its principal benefit is clock multiplication in a small 8-SOIC package, although board-level stability, jitter, supply requirements, and output-drive limits must be checked against the manufacturer datasheet before finalizing a design. For PCB implementation, place the device close to the crystal, decoupling capacitors, and clock-consuming circuits to minimize trace length and noise pickup. Follow the manufacturer’s recommended crystal load-capacitance network, provide stable supply decoupling, and route the output as a short, controlled-impedance clock trace. Confirm pin orientation, operating limits, and crystal requirements directly from the manufacturer datasheet and the package drawing. This product summary combines the device’s identified LOCO PLL architecture, 200 MHz maximum frequency, CMOS output, input options, package format, sourcing context, and practical clock-tree design considerations to support faster component selection and PCB planning.

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ICS512M - 200MHz Clock Generator | Renesas Electronics
ICS512M

ICS512M - 200MHz Clock Generator | Renesas Electronics

The Renesas Electronics ICS512M is a 200 MHz clock generator IC with a PLL and bypass function, supplied in an 8-pin SOIC package measuring 0.154 inch, or 3.90 mm, in width. The listed device provides one clock-generation circuit, accepts a clock or crystal input, produces a CMOS output, and supports a 1:2 input-to-output ratio. According to the supplied distributor and manufacturer listings, its core function is to generate a high-quality, high-frequency clock output and a reference clock from a lower-frequency crystal or clock source. A PLL clock generator is a clock-and-timing integrated circuit that multiplies or organizes an input reference into one or more system clock outputs. Its place in the broader hierarchy is PLL clock generator > clock generator > clock and timing IC > integrated circuit. The ICS512M is therefore used when a system needs a more stable, controlled, or distributed clock derived from a lower-frequency source, especially where crystal and clock reference generation must share one compact device. The verified listing identifies the ICS512M as a 200 MHz clock generator with PLL bypass, crystal or clock input, CMOS output, one circuit, and a 1:2 ratio. These characteristics make it applicable to communication hardware, RF systems, digital boards, clock generation, timing distribution, and synchronization. The 8-SOIC surface-mount package supports compact designs where a through-hole clock generator would be unnecessarily large. The PLL architecture allows the device to produce a high-frequency output from a lower-frequency crystal or reference clock while retaining a bypass path for direct clocking. This architecture is useful when the design needs both a reference source and a multiplied clock without implementing multiple separate timing components. The 1:2 ratio is the most specific verified functional detail for the ICS512M, while other device parameters are not stated in the supplied search data. Typical uses include generating reference and operating clocks for communication equipment, synchronizing digital subsystems, supporting RF signal-chain timing, and furnishing a CMOS clock to board-level logic. In a multi-clock system, the device can reduce the number of discrete oscillator and divider blocks, but the final loop-filter, crystal, decoupling, and output-loading design must follow the manufacturer datasheet before production release. The primary design consideration is to confirm the exact input range, output waveform, jitter, operating temperature, and bypass behavior against the Renesas ICS512 datasheet. Engineers should also validate startup, crystal loop stability, and output loading in the intended PCB environment because those values are not fully provided in the retrieved search snippets. This page consolidates the verified Renesas and distributor information, separates confirmed specifications from missing datasheet parameters, identifies same-family drop-in candidates, and adds practical procurement and design guidance for engineers evaluating ICS512M clock-generation requirements.

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ICS512MI - 160MHz PLL Clock Multiplier | Renesas Electronics
ICS512MI

ICS512MI - 160MHz PLL Clock Multiplier | Renesas Electronics

Renesas Electronics ICS512MI is a single PLL clock-multiplier clock generator with a maximum output frequency of 160 MHz, supplied in an 8-pin SOIC package. It accepts a clock or crystal input, provides bypass operation, and uses CMOS output circuitry. These characteristics position the ICS512MI in the clock and timing hierarchy as a phase-locked-loop clock generator rather than a conventional fixed-frequency oscillator. A PLL clock multiplier is a timing IC that derives one or more stable clock outputs from a lower-frequency reference. Its phase-locked loop compares the reference with an internal feedback signal and adjusts the generated output to maintain phase and frequency relationships. In the ICS512MI, the input can be a clock signal or crystal, while PLL bypass allows the system to select a direct clock path when required. This combination supports frequency conversion and clock distribution in computing, networking, communication, and industrial systems. Principal features include a maximum clock frequency of 160 MHz, one clock-generation circuit, CMOS output, PLL capability with bypass, and a stated input-to-output ratio of 1:2. The 8-pin SOIC package provides a compact surface-mount form factor suitable for conventional PCB assembly. The device is positioned as a low-cost oscillator alternative when a system needs a high-quality multiplied clock or reference clock derived from a lower-frequency source. Technically, the important design consideration is that the reference source, loop behavior, output stability, and bypass mode must all be evaluated as one clock-generation system. A crystal-connected design provides a stable reference, while an externally driven clock offers flexibility in systems that already have a reference available. The bypass path should be evaluated for startup sequencing, glitch behavior, and output-source transitions using the manufacturer’s recommended circuit and timing information. Typical uses include processor and peripheral clock generation, communication-system reference clocks, network-interface timing, industrial control modules, and general-purpose frequency multiplication. The ICS512MI can be especially useful where replacing a higher-cost crystal oscillator with a programmable PLL-based clock source simplifies board-level frequency planning. When laying out a PCB, route the input, feedback, ground, and clock-output paths with attention to return paths and switching-edge behavior. Follow the manufacturer datasheet for recommended crystal-load components, decoupling, grounding, and maximum operating conditions. Validate timing margin in the assembled system rather than relying only on nominal frequency figures. This page combines the ICS512MI specifications, package details, practical clock-design guidance, and clearly qualified replacement information to support faster engineering evaluation and sourcing.

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ICS512MT - 200MHz LOCO PLL Clock Multiplier | Renesas | 8-SOIC
ICS512MT

ICS512MT - 200MHz LOCO PLL Clock Multiplier | Renesas | 8-SOIC

The Renesas Electronics ICS512MT is a LOCO PLL clock multiplier and clock generator IC that multiplies a low-frequency crystal or external clock reference up to a maximum output frequency of 200 MHz at a 1:2 multiply ratio, housed in an 8-pin SOIC package with a 0.154 inch (3.90 mm) body width. It accepts a clock or crystal oscillator input, drives CMOS clock outputs, and includes a bypass path so the PLL can be disabled when a direct reference clock is preferred. A clock multiplier is a phase-locked loop (PLL) based timing device that takes a low-cost, low-frequency reference source - typically a crystal oscillator running between 2 MHz and 50 MHz - and synthesises a much higher, phase-locked output frequency. In the product hierarchy, a clock multiplier sits under clock generator ICs, inside clock and timing ICs, within integrated circuits, and ultimately falls under the broader timing and clocking element of any digital or RF system. Its purpose is to deliver high-quality, stable, jitter-controlled timing from an inexpensive reference. Key features of the ICS512MT include a PLL with bypass capability, a maximum output frequency of 200 MHz, a 1:2 input-to-output ratio, CMOS output signalling, and a single clocking circuit on board. The bypass mode allows the same board to be used in test or low-power configurations where the PLL lock time or power consumption is undesirable. Because the part is a multiplier rather than a general-purpose fractional-N synthesiser, the design is simpler, cheaper, and typically lower in phase noise than a programmable synthesizer of comparable output rate. Technically the ICS512MT uses a phase-locked loop that compares a divided output against the reference input and continuously corrects the internal voltage-controlled oscillator until the multiplier ratio is satisfied. Locking behaviour, reference-to-output jitter, output drive strength, and supply requirements are governed by the manufacturer datasheet, which should be consulted for absolute maximum ratings, recommended decoupling, and crystal load-capacitance selection. Typical uses include telecommunications line-card and base-station clocking, networking equipment clock synthesis, instrumentation and test-and-measurement front ends, industrial control and data acquisition systems, and any board that must convert a modest-frequency oscillator into a 200 MHz domain clock for high-speed serial links or ADC/DAC sampling systems. When designing around this device, pay particular attention to reference jitter and loop bandwidth: a crystal reference with excessive phase noise will multiply that noise by the same ratio at the output, and a noisy reference cannot be corrected downstream. Keep supply decoupling tight and route the crystal or reference input away from high-current switching nodes to preserve the low-jitter behaviour the LOCO architecture is intended to deliver. This page consolidates the device specification, family drop-in options in the same SOIC-8 footprint, comparison tables and practical design notes, giving an engineer the decision context that a bare distributor listing does not.

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ICS513M - 140MHz LOCO PLL Clock Generator | Renesas
ICS513M

ICS513M - 140MHz LOCO PLL Clock Generator | Renesas

The Renesas ICS513M is a LOCO PLL clock generator and fanout distributor with a maximum output frequency of 140 MHz, one clock circuit, CMOS output, and an 8-pin SOIC package. It accepts a crystal or external clock input and includes PLL bypass functionality, allowing it to generate a high-quality clock from a 14.31818 MHz crystal or clock source. The 1:2 input-to-output ratio reported in the verified product data supports clock multiplication use where a higher-frequency CMOS clock is required. A PLL clock generator is a clock-and-timing semiconductor that locks an internal phase-locked loop to a reference oscillator and multiplies or redistributes that reference into one or more stable digital clock outputs. In the product hierarchy, a PLL clock generator belongs to clock generation and distribution, then clock and timing ICs, then broader semiconductor and digital IC categories. It is used where a circuit requires a controlled relationship between a low-frequency crystal reference and a higher-frequency operating clock. The ICS513M's principal verified features include a 140 MHz maximum operating frequency, CMOS output logic, one clock circuit, support for both crystal and clock inputs, and PLL bypass capability. Its 8-SOIC package measures 3.90 mm in width according to the distributor listing. The 1:2 input-to-output ratio makes the device relevant to systems that need frequency multiplication from a standard 14.31818 MHz reference. Technically, the ICS513M combines reference generation with phase-locked-loop multiplication and clock distribution. The verified descriptions characterize it as a cost-effective way to produce a high-quality, high-frequency clock output. PLL bypass provides a selectable operating mode for designs that require direct reference-clock behavior rather than multiplied output, although the supplied data does not specify bypass propagation delay, jitter, lock time, or loop bandwidth. Typical uses include digital logic timing, communication equipment, embedded processing, and general-purpose clock distribution where a crystal or external clock is available. The ICS513M can be used as a clock source for circuits requiring a CMOS-compatible, multiplied clock derived from 14.31818 MHz. Its single-circuit fanout structure is appropriate for designs that need one primary high-frequency clock rather than multiple independently programmable outputs. When implementing the ICS513M, verify the crystal load capacitance, feedback-divider configuration, operating voltage, and output timing against the manufacturer datasheet. The verified snippets do not provide supply-voltage limits, output rise or fall times, phase jitter, RMS period jitter, or cycle-to-cycle jitter. Those timing and electrical details should be confirmed before using the device as a direct replacement for a different PLL generator. This page consolidates the verified distributor specifications, genuine source links, application guidance, and same-family replacement candidates. It also distinguishes confirmed ICS513M parameters from unavailable electrical and timing data so engineers can make a traceable component-selection decision rather than treating unsupported values as guaranteed specifications.

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ICS513MT - 140MHz PLL Clock Generator | Renesas Electronics
ICS513MT

ICS513MT - 140MHz PLL Clock Generator | Renesas Electronics

The Renesas Electronics ICS513MT is a LOCO PLL clock generator and fanout distribution integrated circuit capable of operating up to 140 MHz. It accepts a clock or crystal reference, provides CMOS clock outputs, supports PLL bypass, and is packaged in an 8-pin SOIC package measuring approximately 3.90 mm wide. The device is designed for systems requiring a stable, distributed reference clock without implementing a discrete phase-locked-loop arrangement. A PLL clock generator is a timing integrated circuit that locks an internal oscillator to an external reference and then produces one or more predictable clock outputs. The ICS513MT belongs to the LOCO family of clock generators, combining a phase-locked loop with fanout distribution in a small integrated package. Its clock-and-crystal input flexibility allows it to serve either an externally supplied reference or a 14.31818 MHz crystal, depending on the system architecture. The principal operating features include a maximum frequency of 140 MHz, one clock-generation circuit, a 1:2 input-to-output ratio, CMOS output technology, and PLL bypass capability. The bypass function provides a practical alternative path when the design requires direct reference-clock behavior. The SOIC-8 package also supports conventional surface-mount assembly and gives the clock generator access to power, ground, input, and output functions within a compact footprint. Technically, the part uses a phase-locked loop to establish an output clock related to its reference source. Because its primary inputs include either a crystal or external clock, the circuit can accommodate a frequency-standard reference used by communications, computing, control, and embedded systems. The 140 MHz upper operating frequency provides substantial timing headroom for digital logic, while the CMOS outputs are suited to systems using conventional CMOS clock-input thresholds. Exact operating limits, tolerance, and stability details must be confirmed in the manufacturer datasheet before release to production. Typical applications include digital controller clocking, communications-interface timing, embedded processing modules, data-conversion systems, and general fanout distribution. It is particularly relevant when a board must derive a consistent high-frequency clock from a shared 14.31818 MHz reference while maintaining a compact surface-mount layout. In multi-load designs, output loading and trace length become important because excessive capacitance or impedance mismatch can degrade clock-edge quality. The primary design consideration is to validate the reference frequency, PLL configuration, output loading, and decoupling against the worst operating conditions. Keep clock traces short, provide a clean return path, use appropriate series termination when edge rates are fast, and account for capacitive loading on every CMOS output. A solid ground plane and local input/output bypass capacitors help reduce supply-induced jitter and clock-edge distortion. This product page combines the ICS513MT operating characteristics with package information, sourcing guidance, application analysis, and verified drop-in alternatives. It helps engineers identify whether the LOCO PLL architecture, 140 MHz capability, 1:2 ratio, and SOIC-8 footprint fit a new clock-distribution design before conducting board-level timing validation.

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