Circuitos Integrados

SY87701VHC

SY87701VHC - 1.25Gbps AnyRate CDR | Microchip Technology

The Microchip Technology SY87701VHC is an AnyRate clock and data recovery multiplexer IC that supports NRZ data rates from 32 Mbps to 1.25 Gbps in a 32-pin TQFP exposed-pad package. It accepts 3.3 V or 5 V supply configurations, supports PECL or TTL inputs, and provides a PECL output for Ethernet, SONET/SDH, ATM, Fibre Channel, and other high-speed communication systems. A clock and data recovery IC, or CDR, is a specialized timing integrated circuit that extracts or regenerates a serial clock from a high-speed data stream and aligns the recovered data for downstream processing. The SY87701VHC belongs to the clock and timing IC hierarchy, where it combines clock recovery, data retiming, and multiplexing functions. Its AnyRate operating concept allows one circuit to serve multiple line rates rather than requiring a separate fixed-rate recovery device. Key features include support for 32 Mbps through 1.25 Gbps NRZ data, a maximum operating frequency of 1.25 Gbps, 3.3 V and 5 V power-supply options, and PECL or TTL input compatibility. The recovered clock can operate at up to 1.25 Gbps, while the PECL output is suitable for high-speed optical, ATM, SONET/SDH, and Fibre Channel interfaces. The exposed pad supports improved thermal performance on a 7 mm × 7 mm surface-mount package. The SY87701VHC integrates a phase-locked-loop-based clock recovery architecture with clock and data multiplexing functions. This architecture allows a shared source to feed the device while the internal recovery and multiplexing paths support high-speed serial links. Its dual input and output logic families make it useful when a board must interface between TTL/CMOS-style digital sources and ECL-family PECL links, although input levels, termination, and supply voltage must be verified against the manufacturer datasheet. Typical applications include 1.25 Gbps Fibre Channel equipment, ATM switching systems, SONET/SDH line interfaces, Ethernet transmission equipment, and other recovered-clock or retimed-data designs. The device is most appropriate where a designer needs multiple supported rates, direct clock recovery, and a multiplexed high-speed output within one communication subsystem. A critical design consideration is that high-speed PECL and TTL interfaces require controlled impedance routing, correct reference-plane return paths, and carefully placed termination. Power and ground distribution must also be designed to limit disturbance from the clock recovery circuitry. Before layout, engineers should confirm the exact pin assignment, differential clock requirements, input thresholds, and exposed-pad connection details in the manufacturer datasheet. This page consolidates the verified distributor specifications, source links, package information, pricing status, application guidance, and data limitations for SY87701VHC. It also distinguishes verified facts from parameters that still require confirmation from the manufacturer datasheet, helping engineers evaluate the IC without relying on unverified substitute parts.

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SY87701VZH

SY87701VZH - 1.25Gbps AnyRate CDR | Microchip Technology

The Microchip Technology SY87701VZH is an AnyRate clock and data recovery IC for 32 Mbps to 1.25 Gbps NRZ data streams, offered in a 28-pin SOIC package with 3.3 V and 5 V power-supply options. It provides one recovered clock output and supports clock generation as well as clock and data recovery for Ethernet, SONET/SDH, and ATM equipment. A clock and data recovery IC is a timing IC that reconstructs a usable clock from a serial data stream whose original clock has become embedded in the data or has otherwise become unusable. In the broader semiconductor hierarchy, a CDR belongs to clock and timing ICs, which support communication ICs and network infrastructure equipment. The SY87701 is designed for protocol-independent recovery over a broad speed range rather than one fixed line rate. The primary operating range is 32 Mbps to 1.25 Gbps using NRZ signaling. The device can recover clock and data or generate clock from a suitable input stream, giving system designers flexibility across optical, serial-network, and test-equipment signal paths. Its 3.3 V and 5 V supply options broaden its use across communications equipment, while the single recovered-clock output provides a straightforward clock-recovery function. The SY87701 family is associated with Bellcore, ITU/CCITT, and ANSI applications including OC-3, OC-12, ATM, and FDDI environments. These references describe the communications standards and legacy transport systems addressed by the device; they do not imply that every downstream equipment design automatically meets a complete compliance specification. System designers must still control the source, data path, jitter tolerance, and output interface. Typical uses include Ethernet line cards, SONET/SDH transport modules, ATM equipment, clock-recovery modules, and instrumentation that accepts NRZ serial data. In these systems, the recovered clock can provide a timing reference for deserializers, controllers, or downstream digital logic. Its AnyRate capability is especially useful when a product family must support several standardized line rates with one clock-recovery device. Designers should preserve the differential data and clock topology recommended by the manufacturer datasheet, provide clean return paths, and validate timing margins across the complete 32 Mbps to 1.25 Gbps range. Input amplitude, jitter, duty-cycle distortion, and board loss can constrain usable margin even when the nominal data-rate range is supported. This product page combines verified manufacturer and distributor information with package, sourcing, application, and design guidance. It also distinguishes the tube-packaged SY87701VZH from related ordering information and documents the limits of the available substitute and compliance data rather than inferring unverified drop-in replacements.

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SY87729LHG

SY87729LHG - 365MHz Fractional Clock Synthesizer | Microchip

The Microchip Technology SY87729LHG is a 365 MHz fractional-N clock synthesizer IC with one differential PECL output, packaged in a 32-pin TQFP with exposed pad. The supplied product information identifies it as an AnyClock device for Ethernet, Fibre Channel, SONET/SDH/ATM, and related networking infrastructure. Its 3.15 V minimum supply voltage, 3.3 V operating class, 1:1 input-to-output ratio, and differential signal arrangement support clock-generation requirements where deterministic, low-skew distribution is important. A fractional-N synthesizer is a clock-and-timing IC that uses a phase-locked loop to create an output frequency related to a reference frequency while supporting fractional division. Within the clock-and-timing hierarchy, the SY87729LHG belongs to the PLL-based synthesizer category. This positioning distinguishes it from simple oscillators and fixed-ratio clock buffers: the device is intended to derive precise communications-clock frequencies from an external reference and then deliver a differential PECL output. The verified product record identifies the SY87729LHG as a monolithic fractional synthesizer with PLL capability, one output circuit, a 1:1 input-to-output ratio, and differential input and output operation. Its maximum frequency is listed as 365 MHz. The part is marked obsolete in the supplied datasheet-derived listing, so it should be treated as a legacy clock source for maintenance, replication, and redesign analysis rather than a recommended choice for a new production program. The SY87729LHG is particularly relevant to networking equipment requiring Ethernet, Fibre Channel, or SONET/SDH/ATM clocking. A single output allows it to support a dedicated clock-generation channel, although system-level designs may require additional buffers, dividers, or distribution ICs. Differential PECL interfacing can reduce susceptibility to common-mode noise when the source and receiver use controlled impedance and properly terminated networks. Designers should verify the complete pinout, reference requirements, jitter specifications, supply tolerances, and exposed-pad land pattern from the manufacturer datasheet before making a replacement. The exposed pad requires a low-impedance ground connection and adequate thermal copper. Differential input and output traces should have controlled impedance, short return paths, and symmetrical routing. This product record combines the verified 365 MHz fractional-synthesizer specifications, package information, lifecycle status, and source links with explicit uncertainty markers where pricing and detailed electrical data were not available. It also separates genuinely verified drop-in alternatives from unverified cross-reference results so engineers can make a safer sourcing and redesign decision.

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SY87729LHI

SY87729LHI - 365MHz Fractional-N Clock Synthesizer | Microchip

The Microchip Technology SY87729LHI is a fractional-N clock synthesizer IC with a 27 MHz input, a maximum output frequency of 365 MHz, one clock output, and differential PECL interfaces. It operates from a 3.15 V to 3.45 V supply in a 32-pin TQFP exposed-pad package. The SY87729LHI is intended for telecommunications clocking applications involving Ethernet, Fibre Channel, SONET, SDH, and ATM systems. A clock synthesizer is a clock-and-timing semiconductor that converts one or more reference inputs into synchronized output clock signals. Fractional-N architectures divide an integer reference frequency by an integer and a fractional ratio, allowing fine output-frequency resolution without changing the crystal reference itself. Within the broader semiconductor hierarchy, this device is a clock generator and timing IC used to support communication infrastructure, network equipment, and data-transmission systems. The verified product information identifies a 27 MHz reference input, operation up to 365 MHz, one output, PECL input and output interfaces, and a narrow 3.15 V to 3.45 V operating-supply range. Its operating temperature range is -40°C to 85°C. These characteristics make the device applicable where a conventional integer-N divider cannot provide the required output-frequency resolution. The fractional-N synthesis architecture supports programmable clock ratios while retaining an externally supplied reference. PECL signaling is intended for high-speed clock distribution in telecommunications equipment, although interface amplitude, termination, and routing require board-level verification. The 32-pin TQFP exposed-pad package provides a defined thermal path when the device is mounted with its exposed pad soldered according to the manufacturer land pattern. Typical uses include line-card clock generation, Ethernet and Fibre Channel interface modules, SONET or SDH transport equipment, and ATM-based network systems. In each case, the 365 MHz maximum output supports high-rate clock generation while the fractional division capability allows the output frequency to be adjusted more closely to the system requirement than an integer-only divider. Designers should verify all divider settings, output-drive strength, jitter, reference purity, and loop-bandwidth requirements against the manufacturer datasheet before production release. The 3.15 V to 3.45 V supply range requires a regulator or rail capable of maintaining the specified voltage, and the exposed pad needs careful PCB layout for effective heat removal. This page consolidates the verified SY87729LHI operating limits, package information, cross-reference results, procurement caveats, and engineering guidance. It also separates confirmed manufacturer-grade facts from unavailable details so designers can identify what must still be checked in the official SY87729LHI datasheet before schematic release.

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SY87729LHY

SY87729LHY - 365MHz Fractional-N Clock Synthesizer | Microchip

Microchip Technology SY87729LHY is a 3.3V rate-independent fractional-N frequency synthesizer that generates a differential PECL reference from a single input source. The device covers a 10MHz to 365MHz output range and is supplied in a 32-pin TQFP package with an exposed pad. Verified distributor data identifies it as a clock synthesizer and jitter-cleaning device, while the manufacturer datasheet describes support for standards-compliant transport reference generation. A fractional-N synthesizer is a clock and timing IC that synthesizes programmable frequencies from a stable reference. Its hierarchy is fractional-N synthesizer > PLL-based clock generator > clock synthesizer > clock and timing IC > semiconductor. This technology is particularly useful when a system needs a precise communications reference without relying on a separate crystal oscillator for every output frequency. Differential PECL outputs provide complementary signals suited to high-speed digital clocking and optical-transponder systems. The SY87729LHY operates from a 3.3V supply and synthesizes frequencies from 10MHz to 365MHz using a single reference source. The verified search material specifically describes a 27MHz reference input and a maximum output of 365MHz. It generates the correct differential PECL reference required by the Micrel SY87721L combined clock-and-data-recovery and clock-multiplier-unit device, whose associated data rate range extends from 10Mbps to 2.7Gbps. Fractional-N synthesis permits accurate generation of transport-related reference frequencies with or without forward-error correction. This is valuable in systems requiring standards-compliant downstream data units even when the associated upstream interface produces no signal. Exact phase-noise, jitter, reference-input, output-frequency, and divider specifications are not included in the supplied excerpts and must be confirmed in the manufacturer datasheet before final timing-budget approval. Typical uses include optical transponders, SONET-compatible transport equipment, Ethernet-compatible clocking systems, and other communications links driven by the SY87721L. In these applications, the synthesizer establishes the local reference required by the downstream CDR/CMU, while the 365MHz upper output range provides headroom for demanding clock rates. Board-level signal integrity and differential clock routing remain essential because high-speed edge quality is not determined by output frequency alone. Designers should place the input, output, and bypass connections as shown in the manufacturer application guidance, maintain short return paths, and use controlled-impedance routing for differential PECL pairs. The exposed pad should be connected to the ground plane according to the datasheet thermal and layout instructions. Because detailed termination and decoupling values were not supplied here, those values must be taken directly from the SY87729L manufacturer datasheet rather than inferred. This product summary combines verified manufacturer and distributor information, pricing available as of 2026-10-28, same-family replacement information, and practical guidance for evaluating the SY87729LHY. It highlights where verified data is complete and marks unresolved electrical, environmental, pin-level, and lifecycle details rather than presenting unsupported assumptions as specifications.

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SY87739LHG

SY87739LHG - 729 MHz Fractional-N Synthesizer | Microchip Technology

Microchip Technology SY87739LHG is a fractional-N frequency synthesizer designed for high-performance data transport systems, with a maximum output frequency of 729 MHz, PECL inputs and outputs, and a 32-TQFP-EP package measuring 7 x 7 mm. The device is assigned to the application-specific clock and timing category and supports Ethernet, Fibre Channel, SONET/SDH, and ATM clocking applications. A fractional-N frequency synthesizer is a clock-generation IC that uses a phase-locked loop to produce an output frequency derived from a reference clock. Its fractional division capability permits frequency synthesis between integer division ratios, making this device category useful when an exact output frequency is required without changing the external reference. In the system hierarchy, the SY87739LHG is a PLL-based clock synthesizer, a specialized member of clock and timing integrated circuits and a semiconductor. The key documented features are a maximum output frequency of 729 MHz, differential PECL input and output interfaces, a 1:1 input-to-output ratio, and operation from a 3.3 V supply identified in the available product data. The listed frequency range extends from 10 MHz to 729 MHz. Its differential clocking architecture is intended to support high-speed data transport systems where signal integrity and clock quality are important design considerations. The SY87739LHG belongs to Microchip Technology's AnyClock family and uses a fractional-N synthesis architecture. The available product listing identifies the PLL feature and one output circuit. The 32-pin TQFP package with an exposed pad provides a defined surface-mount footprint for equipment requiring high-frequency clock generation in a moderately compact package. Typical applications include Ethernet line cards, Fibre Channel systems, SONET/SDH transport equipment, ATM networks, and other high-performance data transport platforms. In these systems, the synthesizer can establish a required internal operating frequency from a stable reference while supporting high-speed differential clock distribution. Equipment designers should also account for reference quality, loop bandwidth, jitter, supply integrity, and output termination. A key design consideration is that the listed device status is obsolete. Existing equipment can continue to use the documented SY87739LHG configuration, but new designs should not assume current production availability. The 7 x 7 mm exposed-pad package also requires a PCB footprint and thermal design consistent with the manufacturer's package drawing, particularly when the adjacent circuitry or exposed pad is used for heat removal. This page combines the verified distributor and manufacturer-listing information with application guidance, lifecycle context, a specification-gap inventory, and transparent replacement analysis. Because the supplied cross-reference results identify search tools but do not name a verified pin-compatible substitute, it does not present unverified parts as drop-in replacements.

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SY87739LHI

SY87739LHI - 729MHz Fractional-N Synthesizer | Microchip

Microchip Technology SY87739LHI is a protocol-transparent, 3.3 V fractional-N frequency synthesizer with one differential PECL output, an output-frequency range of 10 MHz to 729 MHz, and operation from a single 27 MHz reference source. The device is supplied in a 32-pin TQFP with exposed pad package, designated 32-TQFP-EP (7x7) by DigiKey. Its architecture provides rate-independent synthesis for communications equipment requiring exact frequencies associated with Ethernet, Fibre Channel, SONET/SDH, and ATM protocols. A fractional-N synthesizer is a clock-generation IC that derives an output clock from a stable reference while using fractional division to produce frequencies that are not limited to integer ratios of the reference. The SY87739LHI belongs to the broader clock and timing hierarchy: fractional-N frequency synthesizer, clock generator, timing IC, and integrated circuit. This makes it useful where a system requires a programmable or protocol-related clock while retaining the operational simplicity of a single-reference architecture. The primary electrical features include a 10 MHz to 729 MHz synthesis range, a maximum characterized output frequency of 729 MHz, one differential PECL output, and 3.3 V operation. A 27 MHz reference allows the synthesizer to generate exact frequencies used by common transport protocols, with or without forward-error correction. Protocol transparency is important because the generated frequency can follow the required clock relationship rather than being limited to a fixed integer divider ratio. The SY87739L integrates a complete rate-independent frequency-synthesis function in one IC. It is specified for Ethernet, Fibre Channel, SONET/SDH, and ATM clock-generation requirements, making it particularly relevant to optical transponders, line cards, clocking subsystems, and communications test equipment. Its differential PECL interface supports high-speed clock distribution, although board-level implementation still requires correct differential routing, controlled impedance, and power-supply decoupling. Typical uses include SONET/SDH transponder reference generation, Fibre Channel interface clocking, Ethernet equipment clock synthesis, ATM networking hardware, optical transport modules, and laboratory communication test systems. Designers should confirm that the selected output frequency, reference configuration, PECL termination, and thermal conditions match the exact datasheet operating requirements before releasing production hardware. PCB implementation requires careful treatment of the exposed pad and high-speed clock nets. The exposed pad should be connected to the ground plane through the manufacturer-recommended thermal-via pattern, while input, output, and supply connections should be kept short. PECL output biasing and any downstream termination must follow the reference circuit because incorrect termination can alter edge quality, current consumption, and clock amplitude. This product record combines the verified manufacturer and distributor data with practical selection criteria for protocol timing, package-aware alternatives, and implementation considerations. It highlights where verified electrical data is available and marks undisclosed electrical, lifecycle, pricing, and pin-level information explicitly rather than inferring values that are not supported by the supplied sources.

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SY88803VKG

SY88803VKG - 155Mbps PECL Limiting Post Amplifier | Microchip

The Microchip Technology (formerly Micrel) SY88803VKG is a 3.3V/5V, 155Mbps PECL low-power limiting post amplifier with a TTL Loss-of-Signal (LOS) output, housed in a 10-pin MSOP package. It is designed specifically for fiber-optic receiver front ends that follow a transimpedance amplifier (TIA). A limiting post amplifier is the second stage in an optical receiver signal chain. The linear signal output from a TIA can contain significant amounts of noise and may vary widely in amplitude; a limiting amplifier converts this small, noisy differential signal into a clean, fixed-amplitude logic-level PECL data stream, restoring signal integrity before clock-and-data-recovery (CDR) circuitry. In the hierarchy of optical receiver electronics, it sits between the TIA and the CDR/serializer, and is a form of special-purpose high-speed amplifier IC. Key features include single 3.3V or 5V supply operation to 155Mbps, low-noise PECL differential data outputs, a chatter-free TTL Loss-of-Signal output, a TTL /EN enable input for power management, and a programmable LOS assertion threshold. Low power consumption suits compact optical modules such as OC-3/STM-1 and Fast Ethernet transceivers. Architecturally, the device uses a cascade of wideband differential gain stages with automatic offset compensation; the saturating output stages guarantee constant output swing regardless of input amplitude above sensitivity. The programmable LOS threshold lets designers match the trip point to the optical module sensitivity budget, and the chatter-free hysteresis design prevents false LOS toggling near threshold. Typical applications include 155Mbps fiber-optic receivers, SDH/SONET OC-3 line cards, Fast Ethernet (100Base-FX) optical modules, and industrial fiber links. It connects directly to typical TIAs, making it a drop-in signal-chain element. Design consideration: route the differential PECL outputs as 50-ohm controlled-impedance pairs and decouple the supply pins close to the package to keep jitter low; verify the LOS threshold setting against the TIA output amplitude range. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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SY88913KC

SY88913KC - 1.25Gbps Limiting Post Amplifier | Microchip

The Microchip Technology SY88913KC is a 1.25Gbps high-speed limiting post amplifier packaged in a 10-MSOP and intended for receive-chain signal conditioning. Its principal functions are high-speed limiting amplification and programmable loss-of-signal detection. The device includes an LOSLVL control that adjusts the level-detect threshold through a resistor divider connected between VCC and VREF, allowing the receiver to distinguish a valid signal from an absent or degraded input. According to the manufacturer datasheet, the detected state can be returned to the receiver's /EN input to help maintain system stability when the signal is lost. A limiting post amplifier is a signal-conditioning IC within the broader optical-communication receiver chain. It receives a high-speed data signal that has already been converted into an electrical signal, restores the waveform to suitable logic levels, and provides a predictable output suitable for driving downstream circuitry. Its 1.25Gbps headline data rate places it in the class of high-speed line-rate interface amplifiers rather than low-frequency audio or instrumentation amplifiers. The SY88913KC includes several implementation-critical features. Programmable level detection allows the loss-of-signal threshold to follow a particular optical receiver's sensitivity, power budget, and system noise conditions. The documented output termination requirement calls for a 50-ohm load connected to VCC minus 2V, or an equivalent Thevenin termination, which helps establish the correct high-speed output environment. The manufacturer also emphasizes that PCB layout strongly affects performance. The device is supplied in a compact 10-MSOP package and identified as a commercial-temperature ordering option. In a typical optical-module or telecommunications receiver design, the SY88913KC can sit after the photodiode or transimpedance stage and before a clock-and-data-recovery circuit, serializer, or digital decision circuit. Its role is to provide limiting amplification and loss-of-signal information rather than to perform clock recovery or decoding. Careful signal-integrity layout is essential when using this amplifier. High-speed traces should be short, impedance-controlled, properly terminated, and kept away from unrelated clocks and switching nodes. The input, output, supply, and reference connections should follow the manufacturer layout guidance. Because the device relies on a defined termination network and adjustable level-detect threshold, substituting components without comparing pin functions, supply requirements, threshold behavior, and output termination can alter receiver performance. This page consolidates the verified 1.25Gbps limiting-amplifier description, programmable loss-of-signal behavior, package information, sourcing details, and practical implementation considerations into one engineering-focused reference. It also identifies where verified replacement data and detailed electrical limits are unavailable so engineers can distinguish documented facts from parameters requiring confirmation in the manufacturer datasheet.

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SY88923KC

SY88923KC - 2.5Gbps Limiting Post Amplifier | Microchip

The Microchip Technology SY88923KC is a 2.5Gbps high-speed limiting post amplifier with differential PECL inputs, a TTL enable input, and an open-collector TTL loss-of-signal output. The device accepts signals as small as 5mVp-p and is supplied in a 10-MSOP surface-mount package. A limiting post amplifier is a high-speed amplifier that increases the amplitude of small received signals and limits their swing to produce logic-compatible levels. Within the optical-communications hierarchy, the SY88923KC belongs to the limiting amplifier class of high-speed amplifier ICs used after photodetectors in fiber-optic receivers. Its principal role is signal conditioning between an optical receiver front end and a PECL-capable digital logic device. Key features include operation at data rates up to 2.5Gbps, low-noise amplification, differential PECL signal inputs, a TTL/EN input, and chatter-free loss-of-signal generation. The post amplifier can drive devices with PECL inputs while providing a separate open-collector TTL indication when the received signal falls below the selected detection level. The programmable level-detect function supports receiver supervision in optical-network equipment. The SY88923KC operates from either 3.3V or 5V and uses a single power supply. Differential signaling reduces sensitivity to common-mode noise when routing the recovered signal through a high-speed printed circuit board. The limiting architecture is intended to provide compatible output levels while preserving operation at multi-gigabit line rates. Its small 10-MSOP package also makes it practical for compact transceiver and line-card designs. Typical applications include 2.5Gbps fiber-optic receivers, optical network terminals, optical network units, digital cross-connect systems, and other PECL-based communication equipment. The verified source information specifically identifies the SY88922 and SY88905 as devices designed to work with the SY88923 family. These relationships can support complete receiver signal-chain designs rather than using the post amplifier as an isolated component. When laying out the circuit, keep the differential PECL traces short, continuous, and impedance controlled, with close placement of the required bypass and termination components. Verify input common-mode voltage, output termination, loss-of-signal polarity, and enable-logic levels against the manufacturer datasheet. Because the available evidence does not provide a complete verified pin table, component tolerances, or full electrical tables, those values should be confirmed before layout release. This product record combines the verified 2.5Gbps, 5mVp-p, 3.3V/5V, PECL, LOS, and 10-MSOP information with lifecycle status, sourcing links, and explicit engineering cautions. It also distinguishes verified functions from unverified specifications and avoids presenting generic cross-reference tools as proof of a pin-compatible replacement.

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SY89426JC

SY89426JC - 622.08MHz SONET Clock Synthesizer | Microchip

The Microchip SY89426JC is a clock and frequency synthesizer IC that generates 622.08 MHz and 155.52 MHz clocks for SONET OC-12 and OC-3 systems, with a maximum output frequency of 622.08 MHz and a 28-pin J-lead LCC package. A clock synthesizer is a timing IC that derives one or more precisely related output frequencies from an external reference clock. Within the hierarchy of clock and timing integrated circuits, it supports communication infrastructure requiring low deterministic jitter, consistent frequency relationships, and multiple logic-compatible outputs. The SY89426JC uses TTL/CMOS-compatible inputs and provides PECL clock outputs. The device provides a single-chip source for 622.08 MHz and 155.52 MHz clocks. Its 622.08 MHz output is differential PECL, while the 155.52 MHz output is single-ended PECL. It also includes a reference output and supports SONET-compliant jitter performance stated as 0.01 UI in the retrieved technical data. The SY89426JC is intended for telecommunications equipment operating at SONET OC-12 and OC-3 line rates. The 622.08 MHz and 155.52 MHz outputs support clock generation in line-card, transceiver, and network-interface designs where a local oscillator must provide both high-speed and divided timing signals. Use controlled-impedance routing for the differential 622.08 MHz output and provide compliant termination and decoupling close to the device. The 28-LCC package is a leaded ceramic package, so thermal performance and assembly compatibility should be checked against the PCB footprint and manufacturing process. This page consolidates verified distributor specifications, package information, datasheet links, and design-oriented guidance for the SY89426JC clock synthesizer.

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SY89426JI

SY89426JI - 622.08MHz SONET Clock Synthesizer | Microchip

The Microchip Technology SY89426JI is a clock and frequency synthesizer IC that generates 622.08 MHz and 155.52 MHz clocks for SONET OC-12 and OC-3 systems. Its primary high-speed output is differential PECL, its 155.52 MHz output is single-ended PECL, and it accepts TTL/CMOS-compatible reference inputs. The device is packaged in a surface-mount 28-LCC J-lead package. A clock synthesizer is a timing IC that derives one or more internally regulated clock outputs from an external reference. Clock synthesizers belong to the clock and timing IC hierarchy, where they support communication links, network equipment, and test systems by distributing frequencies with controlled phase and jitter. In a SONET design, accurate clocks are essential because transmit and receive hardware must process high-speed serial data within defined timing margins. The SY89426JI provides a single-chip source for both 622.08 MHz and 155.52 MHz clock frequencies. The verified device description identifies SONET-compliant jitter performance of 0.01 UI. Differential PECL at 622.08 MHz is suited to high-speed serial links, while the single-ended PECL output at 155.52 MHz supports parallel or lower-rate clocking requirements. TTL/CMOS-compatible inputs and a reference output simplify integration with external oscillators and system clock-distribution networks. Available verified data does not specify the complete electrical limits, supply-voltage range, power dissipation, temperature range, or detailed pin assignments. Those parameters remain marked as data-needed rather than inferred from the device category. Likewise, no manufacturer datasheet URL appears in the supplied search results, so a distributor or indexed datasheet page is retained only as a source reference rather than represented as an official Microchip PDF. Typical uses include SONET optical network equipment, telecommunications line cards, high-speed clock-distribution assemblies, and instrumentation that needs related OC-12 and OC-3 clock domains. The principal design consideration is interface compatibility: downstream circuits must support differential or single-ended PECL levels, and any unused output or supply pins must be terminated exactly as directed by the complete datasheet. This product page consolidates the verified clock frequencies, logic families, SONET jitter claim, package format, source links, and engineering cautions. It also distinguishes documented functions from unspecified parameters, helping designers evaluate the SY89426JI without converting category-level assumptions into unsupported component specifications.

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SY89426JY

SY89426JY - 622.08MHz SONET Clock Synthesizer | Microchip

The Microchip Technology SY89426JY is a clock/frequency synthesizer IC engineered for SONET OC-3 and OC-12 clock generation. It accepts a 38.88MHz-to-77.76MHz reference input and produces a maximum 622.08MHz clock, with documented TTL input and PECL/TTL output interfaces. The device is packaged in a 28-pin leaded chip carrier, identified by distributors as 28-LCC (J-Lead). Its core role is to derive a high-speed, phase-aligned telecommunications clock from a lower-frequency reference while supporting high-speed digital interfaces. A clock synthesizer is a timing IC that generates, multiplies, or distributes clock signals according to a defined frequency relationship. In the broader semiconductor hierarchy, this product is a clock and timing IC, then a frequency synthesizer, and finally a SONET line-rate clock-generation component. This classification matters because telecom designs require deterministic relationships among reference, payload, and line clocks rather than a general-purpose oscillator. The SY89426JY targets the 51.84MHz, 155.52MHz, 311.04MHz, and 622.08MHz SONET domain through its supported generation function. Verified source data identifies one clock circuit, no PLL, a TTL reference input, PECL and TTL outputs, a maximum frequency of 622.08MHz, and a 28-LCC package. The absence of a PLL is a defining architectural constraint: the synthesizer relies on a supplied reference rather than a phase-locked loop. Distributor descriptions further identify the part as lead-free and intended for industrial-temperature operation, but the supplied evidence does not expose voltage limits, supply current, jitter, output levels, pin names, or complete timing tables. The device is suitable for SONET OC-3 and OC-12 transport equipment, optical-network terminals, line cards, clock-distribution modules, and test equipment that require a 622.08MHz clock. Its multiple logic interfaces allow integration where the next stage accepts PECL or TTL. Because high-speed edges and propagation delays can affect timing integrity, the PCB must provide controlled impedance, short traces, solid return paths, and clean separation between clock and data or noisy power circuitry. When designing around SY89426JY, verify every supply rail, logic threshold, decoupling value, and output termination against the manufacturer datasheet before schematic release. Do not assume generic PECL or TTL termination because device-specific output topology and board-level loading are not present in the supplied data. Differential-clock standards, such as the CML interface referenced by the retrieved datasheet result, may not be available from this part even though CML is common in related SONET devices. This page combines verified distributor specifications, source-qualified data gaps, application context, and replacement constraints. It also distinguishes a true drop-in replacement from a merely functional clock synthesizer, since same-package status, pin compatibility, electrical ranges, and lifecycle availability must all be confirmed before substitution.

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Si2166-D60-GMR

Si2166-D60-GMR - DVB-S2X/S2/S Satellite TV Demodulator | Skyworks

The Skyworks Si2166-D60-GMR is a digital satellite TV demodulator IC supporting DVB-S, DVB-S2, and DVB-S2X standards in a single CMOS die, housed in a 48-pin QFN (7x7 mm) package. The part integrates a high-performance blind-scan algorithm for all three DVB-S standards and provides a programmable transport stream output interface compatible with all MPEG decoders and conditional access modules. The "D60" suffix denotes the firmware/die revision supporting DVB-S2X alongside legacy DVB-S/S2 reception. A digital TV demodulator is a baseband processor that recovers MPEG transport streams from a tuner-supplied IF signal. In a typical set-top box (STB) or iDTV front-end, a silicon tuner down-converts the RF satellite signal to a low-IF or zero-IF baseband signal, which the demodulator then decodes, error-corrects (LDPC/BCH for DVB-S2X), and outputs as a serial or parallel MPEG transport stream. The Si2166 family sits at the interface between the analog RF front-end and the digital MPEG decoder, and its standards compliance determines whether the end-product can receive next-generation ultra-HD satellite broadcasts. Key features include integrated blind scan for DVB-S/S2/S2X, on-chip blind-lock functionality, an adaptive equalizer for multi-path and weak-signal conditions, DiSEqC 2.x interface support for LNB control, and a flexible GPIO/I2C host control interface. The device operates from typical 1.2V/3.3V supplies and consumes modest power suitable for multi-tuner STB mainboards. Internal ADC and matched-filter blocks eliminate the need for external analog baseband components. Typical applications include DVB-S2X satellite set-top boxes (zapper, PVR, hybrid), integrated digital televisions (iDTVs), Free-to-Air (FTA) receivers, professional IRD (Integrated Receiver Decoder) equipment, and headend monitoring receivers. Designers pair the Si2166-D60-GMR with a companion wideband satellite tuner such as the Si2183 or Si2141 to form a complete RF-to-TS receive chain. When designing with this part, ensure the host processor supplies a stable 3.3V/1.2V rail with adequate decoupling near the supply pins, and route the IF input as a controlled-impedance 50 ohm microstrip. The host I2C bus runs at up to 400 kHz; verify pull-up sizing for the bus capacitance with the demodulator attached. Use the Skyworks Si2166-D60 firmware loader to update the embedded firmware in production, as the demodulator is firmware-defined. This page synthesizes distributor pricing, firmware variant notes, and drop-in alternatives (Si2166-D60-GM, Si2167-D60-GMR) not consolidated on the manufacturer product page. Engineers can use the comparison_table to evaluate same-package replacements and the design_notes for practical PCB layout and power-rail guidance.

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Si5330B-B00205-GM

Si5330B-B00205-GM - 1:4 LVDS Clock Buffer 710 MHz 24-QFN

The Skyworks Solutions Si5330B-B00205-GM is a 1:4 LVDS low-jitter, low-skew clock fanout buffer and level translator operating up to 710 MHz, housed in a 24-pin QFN with exposed pad. It accepts one single-ended or differential input and produces four differential (or eight single-ended) low-jitter LVDS outputs, making it well suited for high-performance PCB clock distribution. A clock buffer is a fanout device that takes one reference clock and produces multiple, phase-aligned copies for routing across a printed circuit board. Within the broader clock-tree hierarchy, the Si5330B sits between an upstream PLL/oscillator (frequency generation) and downstream transceivers, ASICs, FPGAs, or ADCs (clock consumption). Unlike a PLL-based clock generator, a buffer preserves the input frequency exactly and only regenerates the edges, minimizing added jitter and avoiding frequency translation artifacts. Key features include 710 MHz maximum input/output frequency, LVDS output format, 1:4 fanout, integrated input level translation (1.8 V, 2.5 V, or 3.3 V core with separate output-bank supply), and minimal crosstalk with strong supply-noise rejection. The exposed-pad QFN-24 package provides a low thermal resistance path for noise-sensitive systems. The device uses a differential LVDS output stage with internal source-terminated architecture, yielding sub-picosecond additive jitter at typical reference frequencies. Independent VDD pins for the input core and the output bank allow level translation without external circuitry, simplifying mixed-voltage designs. Typical applications include high-speed ADC/DAC sampling clocks, FPGA logic clock distribution, telecom/datacom line-card reference clocks, and PCI Express or serializer/deserializer reference fanout. Its low jitter makes it ideal for any noise-sensitive clock domain that needs a clean, multi-drop copy of a single reference. When designing with the Si5330B, follow the datasheet recommended termination for both LVDS inputs and outputs (typically 100 ohm differential) and decouple each VDD pin with a 0.1 uF ceramic placed as close to the IC as possible. The exposed pad must be soldered to a continuous ground plane for both thermal dissipation and controlled impedance. The custom B00205 ordering code defines the factory-set input/output configuration, so verify the variant matches your board's required direction. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found on any single distributor listing.

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Si5330B-B00205-GMR

Si5330B-B00205-GMR - 1:4 LVDS Clock Buffer 710MHz | Skyworks

The Skyworks Solutions (formerly Silicon Labs) Si5330B-B00205-GMR is a 1:4 LVDS low-jitter, low-skew fanout clock buffer and level translator housed in a 24-pin QFN-EP (4x4 mm) package. It accepts a single input clock and produces four differential LVDS outputs (or eight single-ended outputs) at frequencies from 5 MHz to 710 MHz, with guaranteed low additive jitter, low skew, and low propagation delay variability. A clock fanout buffer (also called a clock driver or clock distributor) is a semiconductor device that receives one input clock reference and replicates it onto multiple low-skew output clocks. Clock buffers sit in the timing-distribution hierarchy between an upstream PLL/oscillator and downstream loads such as FPGAs, ASICs, ADCs, DACs, and SerDes transceivers. By regenerating edges locally, they isolate the source from load-induced jitter and provide the deterministic phase alignment that high-speed digital links require. Differentiating features of the Si5330B family include a glitchless switching mux for redundant clocking applications, minimal cross-talk between outputs, and superior supply noise rejection that simplifies low-jitter distribution in noisy PCB environments. The device uses advanced CMOS technology, supports independent core and output-bank supply pins for integrated level translation without external circuitry, and accepts CML, HCSL, LVDS, or LVPECL inputs while driving LVDS outputs. The integrated input terminations remove the need for external resistor networks. From an architectural perspective, the Si5330B employs a precision differential input receiver followed by a low-jitter PLL-free fanout tree. Because the device does not synthesize new frequencies (it simply distributes and level-translates), its additive jitter contribution is small enough to preserve overall system margins even at 710 MHz operation. The output drivers are LVDS-compatible, providing the 350 mV swing required by ANSI/TIA/EIA-644 receivers. Typical additive jitter is in the sub-picosecond RMS range. Typical applications include clock distribution in communications infrastructure, redundant clocking for high-availability servers and storage, level translation between PECL/LVDS domains, and PCB-level fanout for FPGA, ASIC, and processor clock inputs. The wide 5-710 MHz operating range covers virtually all common telecom, networking, and computing reference frequencies. When designing with the Si5330B, designers should size the output-bank and core supply decoupling per Skyworks' reference layout and observe the LVDS receiver termination requirements (typically 100 ohm differential). The exposed pad must be soldered to a low-impedance ground plane for thermal and electrical performance. This page synthesizes distributor pricing, drop-in alternatives from the same Skyworks Si5330 family, and practical PCB layout notes not consolidated in the manufacturer datasheet.

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Si5341B-B04862-GM

Si5341B-B04862-GM - 10-Output Ultra-Low Jitter Clock Generator | Skyworks

The Skyworks Solutions Si5341B-B04862-GM is a pre-programmed, custom-configured variant of the Si5341B ultra-low jitter any-frequency clock generator family. The device delivers up to 10 differential or single-ended clock outputs at any frequency up to 750 MHz (with <350 MHz jitter-optimized outputs available), in a 64-pin QFN (9x9 mm) package with exposed pad for thermal dissipation. The on-board MultiSynth technology generates independent fractional-N synthesizers per output, allowing non-integer frequency relationships that cannot be realized by integer-N PLLs. A clock generator (also called a frequency synthesizer or PLL-based timing IC) is a mixed-signal integrated circuit that takes one or more low-jitter reference inputs (typically a crystal or LVDS/CMOS reference) and produces one or more precise output frequencies locked to that reference. Within the broader hierarchy it sits as: clock generator -> PLL/VCXO -> timing IC -> power management & signal chain. Unlike a simple clock buffer, a clock generator can translate frequency (e.g., 25 MHz in to 156.25 MHz out), translate format (LVCMOS to LVDS/LVPECL/HCSL/CML), and re-multiply reference, all while adding typically <100 fs RMS phase jitter to the signal. Key features of this Si5341B configuration include typical RMS phase jitter of 50 fs (12 kHz-20 MHz, per the Si5341/40 family datasheet), integrated LDOs that accept a single 1.8V/2.5V/3.3V supply, two differential reference inputs with automatic or manual switching, programmable output slew rate and amplitude, and per-output enable / glitchless start/stop. The device is configured via I2C/SPI and the Skyworks ClockBuilder Pro software. Architecturally the Si5341B combines a low-noise integer-N PLL locking to the reference, a MultiSynth fractional-N divider tree per output, and an output-driver block supporting LVCMOS, LVDS, LVPECL, HCSL, and CML. The MultiSynth architecture eliminates the need for bulky external VCXOs in most applications because any fractional multiplication ratio is supported without integer-boundary spurs. Typical applications include 10G/25G/100G Ethernet PHY clocking, OTN/WDM optical transport line cards, FPGA reference clock trees, broadcast video reference generation, JESD204B/C ADC and DAC sampling clocks, and PCIe Gen3/4/5 clock fan-out. Each output can be set independently so a single Si5341B-B04862-GM can replace multiple crystal oscillators on a high-density PCB. When designing with this part, follow the reference schematic in the Si5341/40 Family Reference Manual exactly. Place the 0.1 µF + 1 µF supply decoupling pair directly at the AVDD/VDD pins, route the reference input traces as 50 Ω controlled-impedance differential pairs, and provide a continuous ground plane beneath the exposed pad with at least 12 thermal vias to the internal layer. This page synthesizes Skyworks datasheet specifications, current distributor pricing as of 2026-10-10, drop-in replacement options within the Si5341/Si5340 family, and practical design notes that complement (but do not replace) the manufacturer documentation.

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T1014NSN7MQPA

T1014NSN7MQPA - QorIQ 1.2GHz 64-bit Power Arch MPU | NXP

The NXP T1014NSN7MQPA is a single-core 64-bit Power Architecture communications processor from the QorIQ T1 family, running at 1.2 GHz and housed in a 780-pin FBG BGA (23x23 mm) package. It integrates a single e5500 core with Data Path Acceleration Architecture (DPAA) hardware acceleration, DDR3L/DDR4 memory controllers, PCIe, and 1G/10G Ethernet interfaces for high-performance networking and industrial applications. The 0 °C to 105 °C industrial temperature grade and deep-sleep power mode make it suitable for thermally constrained, always-on networking equipment. A microprocessor (MPU) is a single-chip CPU containing the arithmetic logic unit, control unit, registers, cache, and memory management logic needed to execute operating systems and application workloads. Within the SoC hierarchy, an MPU integrates processor cores with on-chip peripherals (memory controllers, bus fabrics, accelerators, networking MACs), distinguishing it from a microcontroller (MCU) which typically targets control loops with on-chip flash. The T1 series occupies the networking/communications tier of NXP's QorIQ lineup, sitting below the multi-core T2/T4 layerscale parts and above the entry P-series. Key features of the T1014NSN7MQPA include a single 64-bit Power Architecture e5500 core at 1.2 GHz, DPAA for packet parsing, classification, and crypto offload, integrated DDR3L/DDR4 controller with ECC, multiple PCIe Gen2 controllers, 1 Gbit Ethernet and 10 Gbit Ethernet MACs, and a deep-sleep low-power mode. Security is handled by the on-chip SEC engine, and the 780-FBGA package exposes the full T1 serial bus, including SerDes lanes for high-speed networking. The DPAA architecture offloads buffer management, queueing, and cryptographic operations from the e5500 core, allowing line-rate packet processing at lower clock frequencies than software-only designs. Compared with general-purpose SoCs, the T1014NSN7MQPA offers deterministic I/O latency and hardware-accelerated networking, which is essential for router, switch, and security appliance workloads. Typical applications include industrial routers, network switches, security gateways, factory automation controllers, and edge networking appliances. The 23x23 mm package footprint is shared across the T1 series, simplifying PCB layout reuse among T1013, T1014, T1023, and T1024 variants. When designing with the T1014NSN7MQPA, allocate adequate PCB area for the 780-ball FBG BGA, plan thermal management for full-power operation, and verify DDR3L/DDR4 routing and impedance per the NXP hardware design guide. For higher core count or throughput, step up to the dual-core T1024 in the same package.

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T1020NSE7MQB

T1020NSE7MQB - QorIQ T1 2-Core 1.4GHz e5500 SoC | NXP

The NXP T1020NSE7MQB is a dual-core QorIQ T1 communications processor featuring two integrated 64-bit e5500 Power Architecture cores running up to 1.4 GHz, packaged in a 780-pin FCBGA (23x23 mm). The part integrates hardware-accelerated cryptography, an integrated Ethernet switch, DDR3L/DDR4 memory controllers, and the Data Path Acceleration Architecture (DPAA) for high-performance packet processing. What is a QorIQ communications processor? QorIQ is a NXP processor family targeting networking, telecom, and industrial infrastructure. The T1 series sits at the lower-power dual-core end of the QorIQ T lineup, positioned between the single-core T1014 and the quad-core T1040/T2080 tier. These SoCs combine general-purpose Power Architecture cores with hardware assist engines (SEC for crypto, DPAA for packet parsing/queueing, and integrated Ethernet MACs/switch), enabling line-rate L2-L4 processing without external lookup engines. They belong to the broader communications processor hierarchy: SoC -> microprocessor -> communications processor -> embedded processor. Key features of the T1020NSE7MQB include dual 64-bit e5500 cores with hardware hypervisor support, integrated 32-bit DDR3L/DDR4 memory controller with ECC, integrated 1G/2.5G Ethernet switch fabric, SEC 4.0 crypto accelerator, DPAA for parsing/classification/queueing, two PCIe Gen2 controllers, and four SerDes lanes for SGMII/XAUI. Operating temperature range is 0C to 105C, targeting industrial and extended-temperature networking equipment. The 780-FCBGA package supports the high-speed SerDes and memory interfaces required for multi-gigabit switching. Architecturally, the T1020 uses the e5500 core, a 64-bit superscalar Power Architecture implementation with out-of-order execution, integrated MMU, and hardware virtualization (hypervisor) extensions. The DPAA subsystem offloads frame parsing, classification, and queue management to dedicated engines, freeing the e5500 cores for control-plane and application-layer processing. SEC 4.0 accelerates AES, 3DES, SHA, RSA, and ECC, supporting IPSec, TLS/DTLS, and MACsec at line rate. The integrated Ethernet switch eliminates an external PHY/bridging device in small-port-count designs. Typical applications include industrial Ethernet switches (managed 8-24 port switches), factory automation gateways, IEC 61850-3 substation controllers, edge routers, and ruggedized industrial control platforms where 1-2 cores are sufficient for control-plane and protocol conversion but packet-plane needs hardware assist. The 0-105C temperature range allows deployment in outdoor enclosures and industrial cabinets. For design planning: plan the PCB for 23x23 mm FCBGA with microvia stack-up; provide at least 4 PCB layers with dedicated ground references for SerDes lanes; allocate thermal copper under the package to dissipate the typical 8-12W TDP at 1.4 GHz; and validate DDR3L/DDR4 topology against the NXP reference design guidelines for signal-integrity. This page synthesizes distributor pricing, drop-in QorIQ alternatives, and practical design notes not found in the manufacturer datasheet alone.

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T1023NSE7MQA

T1023NSE7MQA - QorIQ 2xCPU 64-Bit 1.2GHz MPU | NXP | FCBGA-525

The NXP T1023NSE7MQA is a QorIQ communications microprocessor that integrates two 64-bit Power Architecture e5500 cores running at 1.2 GHz, packaged in a 525-ball FCBGA at a 19x19 mm body size. It is engineered for networking, telecommunications, and industrial networked applications that require hardware-accelerated packet processing with strong crypto throughput. A microprocessor (MPU) is a single-chip CPU with integrated peripherals and memory interfaces that executes an operating system and application workloads. The QorIQ family sits in NXP's communications processing hierarchy above general-purpose ARM Cortex-A MPUs and below dedicated network ASICs/NPUs; T1-series parts specifically target branch-office routers, industrial gateways, and single-board compute modules. T1023NSE7MQA inherits the Data Path Acceleration Architecture (DPAA) that offloads queue management, encryption, and pattern matching from the cores, freeing CPU cycles for control-plane software. Key features include dual e5500 cores at 1.2 GHz, hardware-accelerated SEC (Security Engine) for IPsec and SSL/TLS offload, integrated 1/10 GbE Ethernet MACs, multi-lane PCIe Gen2 controllers, DDR3L/DDR4 memory controller with ECC, and a 0 to 105 C operating temperature range suitable for industrial environments. The 525-FCBGA package uses a 0.8 mm ball pitch and provides the signal integrity required for 1.2 GHz core clocks and high-speed SerDes lanes. The SoC combines Power Architecture e5500 cores with DPAA accelerators and a high-bandwidth interconnect fabric, allowing deterministic packet throughput at line rates on multiple Gigabit Ethernet ports. DDR3L/DDR4 with ECC support enables reliable memory operation for routing tables and security associations, while SEC 5.x acceleration handles bulk cryptographic workloads. Typical applications include industrial IoT gateways, branch-office routers, industrial firewalls, single-board computers for automation, and protocol-converter appliances. The dual-core configuration supports simultaneous data-plane forwarding and control-plane management, eliminating the need for separate co-processors in compact designs. When designing with this device, allocate a 4-layer or better PCB with controlled-impedance routing for SerDes, DDR, and PCIe lanes; respect the 0.8 mm BGA pitch with microvia stackups. Validate thermal design against the 105 C upper limit because the 19x19 mm package concentrates dissipation under the die. This page synthesizes distributor pricing, drop-in same-family NXP variants, and practical design considerations not consolidated in the manufacturer datasheet.

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T1024NSE7MQA

T1024NSE7MQA - QorIQ Dual-Core 1.2GHz Power Arch SoC | NXP

The NXP T1024NSE7MQA is a QorIQ T1 series dual-core communications processor that integrates two 64-bit Power Architecture e5500 cores running at 1.2 GHz, combined with hardware Data Path Acceleration Architecture (DPAA), a SEC crypto engine, DDR3L/DDR4 memory controller, PCIe, and 1/10 GbE networking interfaces, in a 780-pin HFBGA package on a 23x23 mm body with 0 to 105C industrial temperature grade. A communications SoC (System-on-Chip) is an integrated processor that combines CPU cores, memory controllers, hardware accelerators and peripheral interfaces on a single die. QorIQ T1 series SoCs sit within NXP's networking processor hierarchy: application-specific CPU -> embedded communications processor -> SoC -> power-managed networking platform. By integrating DPAA frame queues, SEC encryption, and SerDes for Ethernet and PCIe, the platform eliminates the discrete-asset controller ICs required in legacy designs. Key features include dual e5500 cores up to 1.2 GHz, 64-bit ISA with hypervisor support, an integrated SEC security engine accelerating AES, 3DES, Kasumi, SNOW and public-key algorithms, and built-in DDR3L/DDR4 SDRAM controller with ECC. The HFBGA-780 package exposes 4 SerDes lanes configurable for Aurora, XAUI, PCIe Gen2 and 10 Gigabit Ethernet. Hardware support for IEEE 1588 timestamps, packet parsing and queuing offloads CPU load at line rate. Architecturally the part relies on the Power Architecture e5500 dual-issue superscalar core with symmetric multiprocessing and hardware virtualization hooks. The DPAA engine uses a 16-work-element command queue per BMan/QMan complex for parallel packet dispatch. The integrated SEC block supports both Kasumi and SNOW 3G, suiting the part to LTE control-plane cryptography in addition to wireline IPSec tunnels. Typical applications include industrial control routers, LTE small-cell baseband, fan-less network-attached storage controllers, secure VPN gateways and intelligent IoT gateways. Routing platforms typically pair the T1024NSE7MQA with NXP SGMII PHYs, while control-plane applications use only the SEC block and a small NOR flash footprint. Designers should size decoupling for the HFBGA-780 substrate to keep the 1.2 GHz core within the 0 to 105C thermal envelope, and verify SerDes lane allocation when mapping XFI, PCIe and Aurora on the same SoC. PCB layout must strictly follow the NXP 23x23 mm escape rules for the BGA. This page synthesizes distributor pricing, drop-in alternatives drawn from the QorIQ T1 family, and practical design notes not aggregated on any single manufacturer page.

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T1024NSN7PQA

T1024NSN7PQA - QorIQ Dual-Core 1.4GHz PowerPC MPU | NXP

The NXP T1024NSN7PQA is a QorIQ communications processor integrating dual 64-bit Power Architecture e5500 CPU cores running at up to 1.4 GHz, paired with a high-performance data path acceleration architecture (DPAA), in a 780-pin HFBGA 23x23 mm package. According to the verified manufacturer description, it supports DDR3L/DDR4 memory, PCI Express Gen2/Gen3 controllers, 1 GbE and 10 GbE interfaces, and targets commercial/industrial thermal grades (0C to 105C). A QorIQ communications processor is a system-on-chip (SoC) microprocessor built on the Power Architecture instruction set, designed for wired and wireless networking equipment. The T1024 belongs to the QorIQ T1 family, which sits in the broader NXP processor taxonomy as: PowerPC e5500 core -> QorIQ T1 communications SoC -> embedded networking MPU -> Power Architecture processor family. This hierarchy positions it between general-purpose microcontrollers (no integrated networking) and high-end multicore QorIQ T2/T4 processors. Key differentiating specifications include the dual e5500 cores (vs. single-core T1014/T1013), 1.4 GHz frequency, hardware-accelerated packet processing via DPAA, integrated SerDes lanes supporting multiple 1 GbE and 10 GbE ports, and a compact 23x23 mm package that maintains pin compatibility with the quad-core T1042 and even the eight-core T2081 for single-PCB scalability. The 780-ball HFBGA package supports the high I/O count needed for multiple Ethernet, PCIe, and DDR interfaces. Architecturally, the T1024NSN7PQA combines Power Architecture e5500 superscalar cores with NXP's Data Path Acceleration Architecture (DPAA), which offloads packet parsing, queue management, and buffer allocation from the cores. This hardware acceleration is critical for line-rate throughput in routers, switches, and network appliances where software-only packet processing cannot scale. Typical applications include industrial routers and switches, network interface cards (NICs), LTE/5G small cell base stations, industrial IoT gateways, and secure networked embedded appliances requiring deterministic packet throughput. The DDR3L/DDR4 controller supports low-power memory operation for thermally constrained designs. When designing with this processor, careful PCB layout is essential - the 780-ball BGA requires microvia or via-in-pad technology, length-matched DDR traces, and a solid ground/power plane stackup. The commercial/industrial temperature grade (0 to 105C) makes it suitable for indoor and outdoor sealed enclosures but not extended-temperature automotive deployments.

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T1042NSE7MQPB

T1042NSE7MQPB - QorIQ 4x e5500 1.2GHz MPU w/ Crypto | NXP

The NXP T1042NSE7MQPB is a QorIQ communications processor featuring four 64-bit e5500 Power Architecture cores running at up to 1200 MHz, integrated with the Data Path Acceleration Architecture (DPAA) and hardware cryptography acceleration, housed in a 780-pin FCBGA package. It supports DDR3L/DDR4 memory with a high-performance interconnect and a rich set of networking peripheral interfaces required for embedded networking and telecommunications systems. A microprocessor (MPU) is a single-chip processing unit that integrates one or more CPU cores, caches, memory controllers, and I/O peripherals onto one die, forming the central compute engine of an embedded system. The QorIQ T1 family sits within NXP's communications processor portfolio above simple microcontrollers and below high-end Layerscape SoCs, serving as a scalable platform for industrial control, printer/market controllers, and entry-level networking equipment where deterministic performance, hardware offload, and industrial temperature grades are required. Key features include four e5500 cores with double-precision floating point, DPAA for packet parsing, queueing, and crypto acceleration, hardware security engines supporting AES, DES, SHA, RSA, and Kasumi, integrated DDR3L/DDR4 controller, multiple Gigabit Ethernet MACs (SGMII/RGMII), PCIe Gen 2 controllers, SATA, USB, and SerDes interfaces, and an extended industrial operating temperature range of 0 to 105 degrees C with the 'PB' speed/grade suffix and the 'MQ' marking denoting 'No Switch' silicon revision. The architecture pairs high-frequency out-of-order execution cores with tightly-coupled DPAA engines, offloading packet classification, encryption, and queue management from the cores. The result is deterministic throughput on routing, IPSec, and deep packet inspection workloads while keeping the application cores free for control-plane tasks. The 780-pin FCBGA package exposes all DPAA ports and SerDes lanes, enabling single-chip designs for managed switches, routers, and industrial gateways without companion communication ASICs. Typical applications include industrial Ethernet switches, routers and gateways, secure network appliances, multi-function printers and imaging systems, factory automation controllers, and smart-grid / IEC 61850 substation equipment. The 0 to 105C operating range and long-life industrial grade make this part a fit for harsh-environment embedded systems requiring 10+ year product lifecycles. When designing with this device, allocate sufficient PCB real-estate for the 780-pin FCBGA and its associated DDR routing, provide adequate thermal relief for sustained 1.2 GHz operation, and follow NXP's reference design guidelines for power sequencing. The 'No Switch' ('N') suffix indicates the device ships without integrated Ethernet switch fabric, so multi-port designs require external PHY or switch companions. This page synthesizes authorized distributor stock, drop-in T1 family alternatives, and practical layout guidance not always visible in the manufacturer datasheet.

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T1042NSE7PQPB

T1042NSE7PQPB - QorIQ 4x e5500 1.4GHz MPU | NXP

The NXP Semiconductors T1042NSE7PQPB is a QorIQ T1 family communications processor that integrates four 64-bit e5500 Power Architecture cores running at 1400 MHz, with hardware cryptography, DDR3L/DDR4 memory controller, and Data Path Acceleration Architecture (DPAA). It is housed in a 780-ball FC-PBGA (23x23) package and targets industrial temperature ranges (0C to 105C). The device is designed for networked printers and embedded communications applications. A communications processor is a specialized system-on-chip that combines general-purpose CPU cores with hardware offload engines for packet processing, security, and high-speed I/O. Within the broader taxonomy, the T1042 sits at the top of the tree: communications processor -> microprocessor (MPU) -> integrated circuit -> semiconductor. The QorIQ T1 family is a scalable, pin-compatible platform that allows migration down to the dual-core T1022 and up to higher-performance devices such as the T2081, simplifying platform design across product tiers. Key specifications of the T1042NSE7PQPB include four e5500 cores at 1.4 GHz, 32 KB I-cache and 32 KB D-cache per core with 256 KB shared L2 per cluster, integrated SEC cryptography engine, DDR3L/DDR4 memory controller with ECC support, three PCI Express Gen 2 controllers, two SATA 2.0 ports, two USB 2.0 controllers with PHY, two Gigabit Ethernet controllers, and an integrated security engine for IPsec, SSL/TLS, and bulk encryption. The device supports hardware virtualization and implements the DPAA for hardware-assisted queue and buffer management. The architecture combines out-of-order Power Architecture execution with hardware-accelerated data path processing. The e5500 cores implement hardware virtualization through logical partition support and extended interrupt prioritization. The DPAA provides a standardized infrastructure for parallel packet processing, including frame managers, queue managers, and buffer managers that offload packet handling from the cores. Hardware security acceleration includes AES, 3DES, Kasumi, SHA-1/SHA-256, public-key accelerator, and a true random number generator. Typical applications include industrial and networked printers, multi-function peripherals, industrial control and factory automation gateways, ruggedized networking equipment, secure routers and VPN concentrators, and small-form-factor industrial servers. The absence of an integrated Ethernet switch reduces BOM cost for applications that already provide external switching, while the integrated PHYs and SEC engine minimize external component count. When designing with this device, ensure the FC-PBGA-780 substrate has adequate microvia stack-up to route the DDR3L/DR4 byte lanes with matched impedance. The thermal design must account for the 1.4 GHz quad-core power envelope; a heatsink or thermal interface material is recommended at sustained workloads above 70 percent utilization across all four cores. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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Si2166-D60-GMR - DVB-S2X/S2/S Satellite TV Demodulator | Skyworks

Si5330B-B00205-GM - 1:4 LVDS Clock Buffer 710 MHz 24-QFN

Si5330B-B00205-GMR - 1:4 LVDS Clock Buffer 710MHz | Skyworks

Si5341B-B04862-GM - 10-Output Ultra-Low Jitter Clock Generator | Skyworks

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T1023NSE7MQA - QorIQ 2xCPU 64-Bit 1.2GHz MPU | NXP | FCBGA-525

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