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Produtos (39.000+)

MC3487DE4 - Quad RS-422 Line Driver | Texas Instruments
MC3487DE4

MC3487DE4 - Quad RS-422 Line Driver | Texas Instruments

Texas Instruments MC3487DE4 is a quadruple differential line driver with four independent outputs, a single 5 V supply, and a 16-pin SOIC package. Each channel receives a TTL-compatible input and produces a balanced differential signal designed to meet ANSI TIA/EIA-422-B and ITU Recommendation V.11 requirements. The MC3487DE4 is suitable for industrial control, instrumentation, data acquisition, telecom, and test-equipment systems that transmit digital signals reliably over longer cable distances than single-ended logic permits. A differential line driver is an interface IC that converts one logic input into two complementary outputs. This arrangement rejects much of the common-mode noise picked up by a cable, improving signal integrity in industrial environments. The MC3487 belongs to the broader interface-IC hierarchy: line driver → differential line driver → digital interface IC → semiconductor. Its four channels allow one package to drive four separate balanced links while sharing a common supply and ground reference. Key features include four independent differential drivers, TTL-compatible buffered inputs, three-state output capability, fast transition times, and high-impedance inputs. Power-up and power-down protection helps prevent uncontrolled driver activity during supply changes. The buffered inputs reduce input loading, allowing the device to operate reliably with standard TTL and CMOS control logic when voltage-level compatibility is confirmed in the system design. Technically, the MC3487 is a single-supply RS-422-focused transmitter rather than a complete bidirectional transceiver. It does not include receiver channels. Systems requiring two-way communication normally combine this driver with a separate differential receiver, such as a compatible RS-422 receiver IC. The differential outputs should be routed as a matched pair to preserve signal polarity and minimize common-mode conversion along the cable. Typical applications include RS-422 test equipment, industrial automation links, programmable logic controller interfaces, data-acquisition systems, servo or motor-control signaling, point-to-point computer peripherals, and instrumentation. Designers should use twisted-pair wiring, provide a stable 5 V supply, connect the common ground reference, and account for the voltage drop and noise margin of the selected cable length. The principal design consideration is ensuring that every connected receiver recognizes the driver’s differential output levels and that unused outputs are handled according to the manufacturer’s recommendations. PCB placement should minimize the distance between the interface connector and driver outputs, while avoiding noisy switching-current paths near the differential traces. This page combines device specifications, sourcing guidance, drop-in alternatives, and practical interface-design notes for engineers evaluating the MC3487DE4.

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MC3487DR - 4-Channel RS-422 Driver | Texas Instruments | 5V (Tape & Reel)
MC3487DR

MC3487DR - 4-Channel RS-422 Driver | Texas Instruments | 5V (Tape & Reel)

The Texas Instruments MC3487DR is a quadruple differential line driver with four independent drivers, a 5 V single supply, and a 16-pin SOIC package. Its differential outputs meet ANSI TIA/EIA-422-B and ITU Recommendation V.11 requirements, while the tri-state outputs permit a high-impedance state for bus management. Each channel uses a TTL-compatible buffered input to reduce loading, making the device suitable for RS-422 point-to-point and multidrop communications. A differential line driver is an interface IC that converts a single-ended logic signal into a balanced pair of differential signals. In the hierarchy of electronic components, it belongs to the interface IC family, within communication and transceiver devices. Differential signaling improves noise immunity by rejecting common-mode noise and allows reliable data transmission over longer cable runs than ordinary single-ended digital logic. The MC3487DR provides four driver channels rather than a full transceiver, so it does not receive differential data. The output-enable function controls the output state, allowing connected drivers to be disabled when they are not active. This is useful in systems that share a bus or require controlled output states. Power-up and power-down protection are also identified in the manufacturer documentation. Typical uses include industrial RS-422 links, data acquisition systems, test equipment, instrumentation, and multi-channel communication links. The 5 V supply operation simplifies interface design in legacy and industrial systems where the host logic uses a 5 V rail. Because it is a driver-only device, the system designer must provide the receiving circuitry and define cable termination, grounding, and enable-control behavior. The main design considerations are signal integrity, cable length, supply decoupling, and output-state control. Differential pairs should be routed with consistent geometry and appropriate grounding. The output-enable signals should be controlled during reset so that multiple channels do not contend on a shared bus. The device is intended for surface-mount assembly in the 16-pin SOIC package.

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MC3487J - Quad Differential Driver, 5V, DIP-16 | Texas Instruments
MC3487J

MC3487J - Quad Differential Driver, 5V, DIP-16 | Texas Instruments

The Texas Instruments MC3487J is a quadruple differential line driver operating from one 5 V supply and packaged in a 16-pin dual-in-line package. It provides four independent differential outputs for ANSI TIA/EIA-422-B and ITU Recommendation V.11 interfaces. Each channel uses a buffered TTL-compatible input to reduce loading, while 3-state outputs support shared-bus control. The MC3487J is a through-hole military-temperature-grade DIP-16 option. A differential line driver is an interface IC that converts a TTL-compatible logic signal into a balanced pair of differential signals. The balanced topology helps reject common-mode noise and supports reliable point-to-point data transmission. In the interface hierarchy, the MC3487J belongs to the line-driver family and implements the transmit side of a differential communications link. Its intended counterpart is the MC3486 quadruple line receiver. The MC3487 contains four independent channels, a single 5 V supply architecture, high-impedance inputs, and 3-state outputs. The official product description identifies these features as supporting reduced input current and minimized loading. Power-up and power-down protection are also listed in the device literature. The verified distributor data identifies the MC3487J as a military-temperature-grade, through-hole, 16-terminal rectangular DIP, but does not provide all timing, output-current, or temperature limits. Each output is intended for a balanced differential connection rather than a single-ended RS-232-style signal. Because outputs can enter a high-impedance state, the device can participate in bus-direction or driver-enable control when the system requires it. Designers must still account for the differential network, termination strategy, unused inputs, and the voltage levels required by the connected receiver. Exact propagation delay, transition time, output impedance, and common-mode limits require the manufacturer datasheet. Typical uses include industrial instrumentation, computer peripherals, point-to-point data links, test equipment, and legacy communications interfaces. In a transmitter design, the MC3487J sits between a TTL/CMOS-compatible control circuit and a balanced cable or board trace. The receiving end can use an MC3486 or another compatible differential receiver. Keep the driver close enough to the connector or transceiver boundary that unbalanced stub lengths remain short and the cable transition is clean. The principal design consideration is verifying the 5 V rail and every connected differential input against the device electrical limits before layout release. Decoupling should follow the manufacturer guidance, and unused inputs must not be left in an undefined state if they can affect system behavior. The MC3487J is appropriate when a legacy, balanced, TTL-driven interface is required and a through-hole DIP-16 assembly is preferred over a surface-mount package. This page consolidates the verified Texas Instruments product description, manufacturer datasheet link, package information, distributor price indication, and application-oriented design guidance. It also separates verified facts from parameters that still require confirmation in the datasheet, helping engineers make an evidence-based sourcing decision.

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MC3487N - 4-Channel RS-422 Differential Driver | Texas Instruments
MC3487N

MC3487N - 4-Channel RS-422 Differential Driver | Texas Instruments

The Texas Instruments MC3487N is a four-channel differential line driver operating from a single 5 V supply in a 16-pin dual-in-line package. It provides one differential driver per channel, TTL-compatible buffered inputs, and three-state outputs for interface bus control. The device is designed to meet ANSI TIA/EIA-422-B and ITU Recommendation V.11 requirements, making it suitable for point-to-point and multidrop digital communication links. Its bipolar implementation and high-impedance inputs help reduce loading on source logic. The MC3487 is intended for use with compatible differential receivers such as the MC3486 family, while its four independent channels allow several differential signals to be transmitted on one board. The 16-pin PDIP package supports conventional through-hole PCB assembly and straightforward socket or leaded prototyping. An RS-422 differential line driver is a digital interface component that converts a single-ended logic input into a balanced differential output. Differential signaling uses two conductors carrying complementary signals, allowing common-mode voltage and ground-potential differences to be rejected by the receiver. A multi-driver such as the MC3487 consolidates four such output channels in one device, reducing component count and simplifying control in industrial, communications, instrumentation, and embedded systems. The MC3487N is therefore positioned within the hierarchy of logic ICs, interface ICs, line drivers, and communication transceivers. The principal verified features are four independent differential drivers, a single 5 V operating supply, TTL-compatible input buffering, and three-state outputs. The output-enable function is useful when several drivers share a bus or when a system must place an external line into a high-impedance state. Fast transition times support digital data-transfer applications where edge distortion must be controlled. Power-up and power-down protection helps prevent unintended line activity during supply transitions, an important consideration in multi-node equipment. The manufacturer describes the device as interchangeable with compatible RS-422 driver implementations, but system designers should still verify timing, load, protection, and supply requirements for the exact implementation. The MC3487N is a bipolar interface IC rather than a power semiconductor or a modern low-voltage transceiver. It is intended for legacy and established differential-bus designs where 5 V logic, through-hole assembly, and standard RS-422 electrical behavior are priorities. Because the verified data supplied for this page does not include detailed propagation-delay, output-current, input-current, temperature-range, or package-dimension tables, those values are marked as data needed rather than inferred. This preserves separation between verified manufacturer information and engineering estimates. Typical applications include industrial control interfaces, point-to-point serial links, test equipment, data-acquisition systems, peripheral communication, and legacy computer or industrial buses. In a point-to-point link, the MC3487N transmits four complementary differential pairs to a remote receiver. In a multidrop arrangement, the three-state outputs permit driver tri-stating, although cable length, topology, termination, and fault tolerance still require system-level validation. The 16-pin PDIP package is convenient for through-hole designs and prototypes but occupies more board area than a surface-mount equivalent. When laying out a board, place the device near the line-driver outputs and provide a solid ground reference. Keep differential traces coupled and matched in length where practical, provide receiver termination appropriate to the selected RS-422 topology, and leave protection-network space for surge or ESD requirements. Do not assume that a logical replacement preserves all legacy timing and fail-safe behavior; compare the complete data sheets and validate the assembled interface. This page synthesizes verified source links, interface guidance, and comparison structure for engineers evaluating the MC3487N.

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MC3487NS - 4-Channel RS-422 Driver | Texas Instruments
MC3487NS

MC3487NS - 4-Channel RS-422 Driver | Texas Instruments

Texas Instruments MC3487NS is a quadruple differential line driver with four independent drivers, a single 5 V supply, and a 16-pin small-outline package. It is designed to meet ANSI TIA/EIA-422-B and ITU Recommendation V.11 requirements, making it suitable for balanced digital data links. Each driver accepts a TTL-compatible input through a buffered input that reduces loading, while the differential outputs support reliable transmission over longer cables in noisy industrial environments. The MC3487NS provides three-state outputs, fast transition times, high-impedance inputs, and power-up and power-down protection. A differential line driver is a signal-conditioning interface that converts one logic input into two complementary outputs for a balanced transmission line. This differential signaling method improves noise immunity because the receiver detects the voltage difference between the two conductors rather than relying on one conductor relative to ground. In the hierarchy of electronic components, the MC3487NS is a line-driver IC, a differential interface IC, and a member of the broader interface IC and semiconductor categories. The principal electrical benefit is the combination of four differential channels in one package, allowing multi-channel data links to share a compact circuit footprint. The single 5 V supply simplifies power design, while TTL-compatible inputs allow direct connection with common digital logic families. Three-state outputs permit a connected driver to present a high-impedance state when it is not actively driving a bus, which is useful in systems requiring controlled driver enable and disable behavior. The MC3487NS is commonly paired with the MC3486 quadruple differential line receiver. It can also be used in industrial control links, instrumentation interfaces, test equipment, data acquisition systems, and communications equipment where a point-to-point or multidrop balanced line must be driven from TTL logic. The fast output transition times support higher data rates while maintaining the differential signaling characteristics expected by RS-422-class systems. Designers should verify the complete pinout and logic levels in the manufacturer datasheet before layout because the supplied web excerpts do not expose the individual pin names. The 16-pin surface-mount package should be treated as a differential signaling device: route the driver outputs as a matched pair, minimize stub lengths, provide a continuous ground reference, and confirm cable termination requirements for the selected data rate and topology. The MC3487 is a driver, not a receiver, and it is not an RS-485 multidrop controller with transceiver arbitration. This product data combines the verified Texas Instruments product description and datasheet links with distributor availability references, practical application guidance, and an explicit separation between confirmed facts and parameters that require datasheet confirmation. Pricing and detailed electrical values must be checked against current authorized distributor inventory and the latest manufacturer documentation before release to production.

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MC3487NSR - 4-Channel RS-422 Driver | Texas Instruments (Tape & Reel)
MC3487NSR

MC3487NSR - 4-Channel RS-422 Driver | Texas Instruments (Tape & Reel)

Texas Instruments MC3487NSR is a quadruple differential line driver with four independent drivers, a single 5 V supply, and a 16-pin small-outline package. It is designed to meet ANSI TIA/EIA-422-B and ITU Recommendation V.11 requirements, making it suitable for balanced digital data links. Each driver accepts a TTL-compatible input through a buffered input that reduces loading, while the differential outputs support reliable transmission over longer cables in noisy industrial environments. The MC3487NSR provides three-state outputs, fast transition times, high-impedance inputs, and power-up and power-down protection. A differential line driver is a signal-conditioning interface that converts one logic input into two complementary outputs for a balanced transmission line. This differential signaling method improves noise immunity because the receiver detects the voltage difference between the two conductors rather than relying on one conductor relative to ground. In the hierarchy of electronic components, the MC3487NSR is a line-driver IC, a differential interface IC, and a member of the broader interface IC and semiconductor categories. The principal electrical benefit is the combination of four differential channels in one package, allowing multi-channel data links to share a compact circuit footprint. The single 5 V supply simplifies power design, while TTL-compatible inputs allow direct connection with common digital logic families. Three-state outputs permit a connected driver to present a high-impedance state when it is not actively driving a bus, which is useful in systems requiring controlled driver enable and disable behavior. The MC3487NSR is commonly paired with the MC3486 quadruple differential line receiver. It can also be used in industrial control links, instrumentation interfaces, test equipment, data acquisition systems, and communications equipment where a point-to-point or multidrop balanced line must be driven from TTL logic. The fast output transition times support higher data rates while maintaining the differential signaling characteristics expected by RS-422-class systems. Designers should verify the complete pinout and logic levels in the manufacturer datasheet before layout because the supplied web excerpts do not expose the individual pin names. The 16-pin surface-mount package should be treated as a differential signaling device: route the driver outputs as a matched pair, minimize stub lengths, provide a continuous ground reference, and confirm cable termination requirements for the selected data rate and topology. The MC3487 is a driver, not a receiver, and it is not an RS-485 multidrop controller with transceiver arbitration. This product data combines the verified Texas Instruments product description and datasheet links with distributor availability references, practical application guidance, and an explicit separation between confirmed facts and parameters that require datasheet confirmation. Pricing and detailed electrical values must be checked against current authorized distributor inventory and the latest manufacturer documentation before release to production.

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MC3488AD - Dual EIA-423/EIA-232D Line Driver | onsemi
MC3488AD

MC3488AD - Dual EIA-423/EIA-232D Line Driver | onsemi

onsemi MC3488AD is a dual single-ended line driver designed for EIA-423 and EIA-232D signals, with compatibility also identified for CCITT X.26, X.28, and Federal Standard FIDS1030. The device is intended for applications requiring signal wave shaping when the output load resistance exceeds 450 ohms. It is supplied in an 8-pin SOIC package. Its adjustable output slew rate spans from 1.0 V/µs to 100 V/µs, allowing the transition rate to be adapted to the connected line and receiver. A line driver is an interface circuit that converts digital logic signals into transmission-line-compatible signals for communication links. The MC3488AD belongs to the RS-232 and RS-422 interface IC category, where it provides single-ended output stages for driving external cables or receiver circuits. Compared with a general-purpose logic buffer, its purpose-built driver architecture controls edge transitions and supports the voltage, loading, and waveform requirements associated with established EIA and CCITT communication specifications. The MC3488AD provides two driver channels in one 8-pin SOIC package, reducing the component count in designs requiring more than one transmission-channel output. Its principal documented features include adjustable slew rates from 1.0 V/µs to 100 V/µs, operation with output load resistance greater than 450 ohms, and support for EIA-423, EIA-232D, CCITT X.26, X.28, and Federal Standard FIDS1030. These characteristics make the part relevant to legacy data communications, industrial control links, and equipment interfaces that still use specified single-ended line-driver networks. Slew-rate control is the main technical design variable. A slower edge reduces high-frequency content and ringing but increases transition time, while a faster edge supports higher data throughput at the cost of greater electromagnetic-interference potential and sensitivity to load or termination details. Because the MC3488AD permits adjustable output slew rates, the correct configuration should be selected against the cable length, data rate, receiver thresholds, grounding arrangement, and system EMC requirements rather than chosen solely from a standard data-rate label. Typical uses include industrial serial interfaces, legacy controller peripherals, data-acquisition equipment, and communications systems that require two single-ended line-driver outputs. A board design may pair the MC3488AD with a compatible line receiver such as MC3487DR, a multi-driver interface such as MC3486DR, or a logic interface such as P82B96DR. The output network must be checked against the applicable interface standard because the presence of a compatible logic-side pinout alone does not establish complete system-level interchangeability. When laying out the circuit, keep the output drivers close to their connector or interface-network entry points, provide a stable return path, and verify the selected slew rate against the actual load. Do not infer the complete electrical performance from the EIA references alone; supply voltage, output levels, propagation delay, input compatibility, and absolute maximum ratings must be confirmed in the manufacturer datasheet before production release. This page consolidates the verified manufacturer-document information, exact source links, interface standards, package data, sourcing context, and drop-in comparison candidates for the MC3488AD. It also separates documented facts from values that still require schematic-level verification, helping engineers evaluate this legacy line-driver IC without relying on incomplete distributor summaries.

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MC3488AP1 Dual EIA-423/EIA-232D Line Driver | onsemi
MC3488AP1

MC3488AP1 Dual EIA-423/EIA-232D Line Driver | onsemi

The onsemi MC3488AP1 is a dual single-ended line driver designed for EIA-423, EIA-232D, CCITT X.26, X.28, and Federal Standard FIDS1030 signal-interface requirements. The device is packaged in an 8-lead PDIP and provides two driver channels for converting logic-level signals into balanced or unbalanced communication-line waveforms. Its architecture is intended for point-to-point data transmission systems where controlled slew rate, signal shaping, and standard-compliant line levels are important. The MC3488AP1 belongs to the interface IC hierarchy, which includes line drivers, line receivers, RS-232 transceivers, RS-422/RS-485 interface devices, and broader communication ICs. A line driver strengthens a digital signal before it travels through a cable, allowing the signal to retain useful amplitude and timing characteristics over the interconnect. The MC3488A is particularly relevant when an interface must satisfy legacy EIA-423 or EIA-232D signaling requirements rather than only modern logic-level communication. The dual-channel arrangement allows one package to drive two independent communications lines, reducing component count and simplifying board layout compared with separate single-channel drivers. The DIP-8 package supports through-hole assembly and is useful in legacy industrial, telecommunications, instrumentation, and data-communication equipment where component availability, serviceability, and socketed assembly remain important. The manufacturer's MC3488A documentation identifies the device as a dual line driver with externally controlled wave-shaping and slew-rate behavior. Typical applications include legacy data terminals, industrial control links, serial-interface adapters, telecommunications equipment, and embedded systems that need an RS-232D or EIA-423-compatible output stage. The driver should be used with the correct termination, biasing, protection, and cable-routing practices for the selected communication standard. The MC3488AP1 does not include a receiver in the same package, so a separate receiver or transceiver may be required for bidirectional links. When designing a replacement board, verify the exact pinout, supply voltage, output levels, propagation delay, slew rate, and enable or shutdown behavior against the manufacturer datasheet. A nominally similar line-driver package is not automatically a drop-in replacement because EIA-423 and EIA-232D implementations can differ in reference-ground handling, output impedance, and timing. This page combines the manufacturer-aligned part identity, source links, and engineering guidance to support component selection and board-level validation.

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MC44BS373CAD - PLL-Tuned UHF/VHF Audio/Video Modulator | NXP
MC44BS373CAD

MC44BS373CAD - PLL-Tuned UHF/VHF Audio/Video Modulator | NXP

The NXP MC44BS373CAD is a PLL-tuned UHF and VHF audio/video high-integration CMOS modulator designed for VCRs, set-top boxes, and similar consumer video appliances. It supports multiple television standards including NTSC and PAL, integrates a programmable RF output stage, and is controlled via a 5 V- and 3.3 V-compatible I2C bus. The device is supplied in a 16-pin SOIC (SO16NB) small-outline package with gull-wing leads. A modulator (in this context, an RF modulator) is a transmitter IC that mixes a baseband audio and composite-video signal up to a UHF or VHF carrier suitable for direct injection into the antenna input of an analog television receiver. RF modulators sit between the source device (VCR, set-top box, DVD player) and the TV, and historically they were implemented as discrete mixer/oscillator chains. The MC44BS373CA family replaced that discrete chain with a fully integrated PLL-synthesized modulator, dropping dozens of components into a single 16-pin SOIC. Within the broader taxonomy, this part is an RF IC -> modulator -> consumer video IC -> semiconductor. Key specifications include a typical TV output level of 82 dBuV at the antenna terminal, I2C control at standard-mode 100 kHz or fast-mode 400 kHz, multi-standard support (B/G, D/K, M/N, L), and a single 5 V supply. The PLL is fully programmable via the serial interface, removing the manual channel-adjustment trimmers that legacy designs required. A bypass mode supports test and modulation-disabled conditions for factory alignment. Architecturally, the MC44BS373CA uses an on-chip PLL frequency synthesizer driven by an external reference resonator, a programmable divider, and a double-balanced mixer that combines the modulated audio subcarrier with the composite video baseband. The result is a low-phase-noise carrier that meets ETSI EN 50083-13 and FCC Part 15 emission masks for consumer TV modulator products. Compared with the legacy MC44BS373/4 family, the MC44BS373CA revision lowers power consumption and provides finer carrier frequency step resolution. Typical applications include VCR RF output stages, satellite and terrestrial set-top box modulators, DVD player composite-to-RF conversion, game consoles, and CCTV/security observation systems that need to feed analog TV monitors. The wide standard coverage allows a single BOM to ship into multiple regional markets, simplifying manufacturing. Designers should note that the part requires a 75 ohm output network and proper shielding to meet conducted and radiated emissions limits. The external reference resonator value determines the carrier frequency step, and any drift in this component directly translates into channel offset on the TV. This page synthesizes distributor pricing, drop-in alternatives, application circuits, and practical design notes not found in the standalone datasheet.

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MC44BS373CAEF - NTSC/PAL Audio/Video RF Modulator | NXP SOIC-16
MC44BS373CAEF

MC44BS373CAEF - NTSC/PAL Audio/Video RF Modulator | NXP SOIC-16

The NXP (formerly Motorola/Freescale) MC44BS373CAEF is a CMOS audio/video RF modulator IC housed in a 16-pin SOIC package, designed for VCRs, set-top boxes, and similar consumer audio/video devices. The part supports multiple broadcast standards (NTSC and PAL) and integrates a TV output driver delivering approximately 82 dBuV at the antenna output. It provides a 5 V and 3.3 V compatible I2C bus interface for register programming, enabling flexible configuration of video modulation, audio FM subcarrier, and output channel selection without external mechanical tuning components. A modulator is the final analog stage of a baseband audio/video chain: it translates a composite baseband video signal and an audio subcarrier up to a select UHF/VHF RF channel suitable for direct connection to a television antenna input. Inside this product family (MC44BS373/4 and the newer MC44CC373/4 generation), the modulator replaces discrete RF upconverter designs with a small, programmable silicon block, saving board area and reducing assembly cost. The device sits at the boundary between analog baseband ICs and the antenna/RF domain, so engineers typically consider it as a "system" component rather than a generic op-amp or logic IC. Key features include multi-standard video modulation (B/G/I/D/K/L depending on firmware settings), an on-chip audio FM modulator at 4.5 MHz, 5.5 MHz, or 6.0 MHz subcarrier frequencies, I2C control up to 400 kHz, low power consumption on a single 5 V supply, and integrated RF output stage with selectable gain. A flexible test/calibration mode is also exposed through the I2C registers to support factory alignment procedures. The CMOS process allows the entire modulator to operate from a single supply rail while keeping heat dissipation minimal for set-top and DVD recorder applications. Typical applications include VCR RF output stages, set-top box down-stream modulators, DVD recorder modulators, PC TV tuner cards, and video game consoles that need to feed an analog TV. The I2C interface also makes this modulator attractive for factory-aligned consumer electronics where channel alignment and audio deviation must be set without mechanical adjustment.

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MC44BS373CAFC - NTSC/PAL Audio/Video RF Modulator IC | NXP
MC44BS373CAFC

MC44BS373CAFC - NTSC/PAL Audio/Video RF Modulator IC | NXP

The NXP MC44BS373CAFC is a CMOS audio/video RF modulator IC for VCR, set-top box, and similar consumer video appliances, supporting multiple standards including NTSC and PAL outputs. It integrates a programmable RF output stage with typical TV output level of 82 dBµV, audio subcarrier mixing, and a 5 V / 3.3 V compatible I²C bus for control, all housed in a 20-pin HVQCCN (5x5 mm QFN-style) package. Key specifications include TV output level 82 dBµV typical, an integrated I²C slave interface compatible with both 5 V and 3.3 V microcontrollers, and CMOS process technology for reduced power consumption. The MC44BS373CAFC belongs to the legacy MC44BS373/4 family, succeeded by the MC44CC373/4 generation of RF modulators. The IC accepts baseband audio and video inputs and upconverts them to standard TV RF channels for connection to legacy television receivers. The device uses a programmable architecture where the I²C interface configures RF channel selection, audio modulation mode (mono, BTSC, A2), video modulation depth, and RF output level. An internal PLL synthesizer locks to the selected output channel, eliminating external tank circuits. The 20-pin QFN-style package minimizes PCB area while providing adequate thermal dissipation for set-top box duty cycles. Typical applications include VCRs, set-top boxes, DVD recorders, satellite receivers, and security/CCTV equipment with RF output to analog televisions. The audio subcarrier generator supports multiple broadcast standards, allowing the same hardware platform to be configured for NTSC-M, PAL-B/G, PAL-D, and PAL-I markets via firmware. Compared to discrete modulator designs using separate video amplifier and RF mixer stages, the MC44BS373CAFC reduces BOM count by 20+ components. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet. The MC44BS373CAFC represents one of the final-generation single-chip consumer RF modulators before the industry transitioned to digital HDMI outputs.

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MC44BS374T1AEF - PLL-Tuned UHF/VHF A/V Modulator | NXP
MC44BS374T1AEF

MC44BS374T1AEF - PLL-Tuned UHF/VHF A/V Modulator | NXP

The NXP MC44BS374T1AEF is a PLL-tuned UHF and VHF audio/video high-integration CMOS RF modulator housed in a 16-pin SOIC (Small Outline IC) package. It is a member of the MC44BS373/4 family of legacy modulators and targets NTSC and PAL television output applications such as set-top boxes, DVD players, VCRs, and video surveillance encoders. The modulator integrates a phase-locked loop (PLL) frequency synthesizer, video modulator, audio FM modulator, and I2C-compatible control interface in a single CMOS die. An RF modulator is a transmitter IC that converts a baseband audio and video signal into a vestigial-sideband or double-sideband RF carrier suitable for connection to a television's antenna input. Within the broader product hierarchy, the MC44BS374 sits at: modulator -> RF transmitter -> specialized consumer IC -> integrated circuit -> semiconductor. It is the direct descendant of the legacy MC44BS373/4 family and is functionally superseded by the newer MC44CC373/MC44CC374 CMOS family while retaining the same footprint and electrical interface to ease migration. Key features include programmable UHF/VHF output frequency via the high-speed I2C-compatible bus, a Logic Output Port pin (pin 3) for status or switching functions, 5 V and 3.3 V compatible I2C logic levels, and a TV output level of 82 dBuV (typical, MC44BS374T1A variant) or 75 dBuV (MC44BS374T1 variant). The PLL architecture provides fine channel selection across the broadcast TV band, allowing the modulator to replace traditional saw filters and discrete modulator circuits in cost-sensitive consumer designs. The IC uses a CMOS process with an integrated VCO and PLL loop filter, reducing external component count compared with older bipolar modulator designs. Typical DC supply is 5 V, and the high-speed I2C bus allows full register configuration of audio deviation, video modulation depth, RF output frequency, and power-down mode. The 16-SOIC package is industry-standard and footprint-compatible with the newer MC44CC374 family, simplifying in-place upgrades. Typical applications include set-top box RF outputs, DVD/VCR combo outputs to legacy televisions, video game console A/V-to-RF adapters, security camera RF modulators, and PC TV-capture cards. The Logic Output Port pin can be used to drive an external LED indicator or switch a relay on channel change. The combination of low external parts count and I2C programmability makes this part attractive for high-volume consumer products. When designing with this modulator, pay close attention to the RF output network - use a proper 75 ohm matching network and shielding to meet FCC/CE radiated emissions limits. Decouple VCC with a 10 uF bulk and 100 nF ceramic capacitor placed as close to the IC as possible; inadequate bypassing produces visible hum bars on the modulated video output. This page synthesizes distributor pricing, drop-in alternatives from the same NXP family (MC44BS373T1AEF, MC44CC373T1AEF, MC44CC374T1AEF), and practical design notes that are not aggregated on DigiKey, Mouser, or Octopart product pages.

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MC44BS374T1EFR2 - PLL UHF/VHF A/V Modulator, 16-SOIC | NXP
MC44BS374T1EFR2

MC44BS374T1EFR2 - PLL UHF/VHF A/V Modulator, 16-SOIC | NXP

The NXP MC44BS374T1EFR2 is a PLL-tuned UHF and VHF audio/video high-integration modulator housed in a 16-pin SOIC package, supporting both NTSC and PAL broadcast standards. It delivers synthesized RF output across the UHF/VHF bands from a single 5 V supply and integrates the sound subcarrier oscillator, video modulator, and RF upconverter into a single CMOS die. A video modulator is a specialized IC that mixes a baseband composite video signal (with audio subcarrier) up to a channel-frequency RF output suitable for connection to an antenna input of a TV or set-top box. It belongs to the hierarchy of specialized ICs -> interface ICs -> RF/IF signal chain ICs, and historically served consumer video appliances (VCRs, set-top boxes, DVD recorders, video game consoles) before HDMI replaced analog RF distribution. Key features include a wideband PLL allowing flexible channel selection by I2C programming, low intermodulation distortion for clean video reproduction, separate audio and video inputs, and an integrated DC-DC-friendly architecture that minimizes external component count. The device supports both B/G and D/K system variants in the MC44BS374T1/374T1A family and is footprint-compatible with the earlier MC44BC374T1 generation. From an architectural standpoint, the IC uses a fractional-N PLL synthesizer referenced to a low-phase-noise crystal, allowing fine channel resolution while keeping spurious content low. The modulator chain runs at low power and the RF output stage drives 75 ohm loads with a typical output level in the 70-80 dBuV range, suitable for direct connection to receiver antenna inputs. Typical applications include analog-channel output for legacy TVs in set-top boxes, RF modulation for surveillance camera baseband-to-coax distribution, and modulator modules in VCR/DVD-R designs that must output to older receivers without HDMI inputs. When designing with this device, observe the decoupling requirements from the manufacturer datasheet - typically a 100 nF ceramic on each supply pin plus a bulk 10 uF capacitor at the modulator supply input - and route the RF output trace with controlled 75 ohm impedance for clean spectral output. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, helping engineers sourcing or evaluating the MC44BS374T1EFR2 make confident second-source decisions.

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MC4558CP1 - Dual 2.5MHz Wide-Bandwidth Op-Amp DIP-8 | onsemi
MC4558CP1

MC4558CP1 - Dual 2.5MHz Wide-Bandwidth Op-Amp DIP-8 | onsemi

The onsemi MC4558CP1 is a monolithic dual wide-bandwidth operational amplifier housed in an 8-pin PDIP (DIP-8) through-hole package, internally compensated and pin-compatible with the industry-standard 1458/4558 pinout. According to the onsemi datasheet, each of the two on-chip amplifiers delivers a unity-gain bandwidth of 2.5 MHz (C-grade) and 2.0 MHz (AC-grade), with the MC4558AC variant specifically guaranteed to the 2.5 MHz figure. The device targets cost-sensitive general-purpose analog signal-conditioning roles that benefit from higher small-signal bandwidth than the legacy 1458 family. What is an operational amplifier (op-amp)? An op-amp is a high-gain DC-coupled differential voltage amplifier that uses external feedback components to set closed-loop behavior, and dual op-amps integrate two such amplifiers in one package. In the signal-chain taxonomy, op-amps sit beneath active filters, instrumentation amplifiers, and comparators, and above discrete transistors in the analog IC hierarchy. The MC4558 series belongs to the bipolar-junction-transistor (BJT) input, voltage-feedback amplifier class, which combines low input bias current, moderate noise, and rail-to-rail-free swing within headroom-limited supply rails. Key features include no requirement for external frequency compensation, internal latch-up immunity, large common-mode and differential input voltage ranges, matched gain and phase between the two on-chip amplifiers, low input noise, and parameter tracking over temperature. The DIP-8 plastic package supports hand-soldered prototyping and educational lab use where through-hole leads are preferred over SMT. Operating supply is typically ±15 V dual or +30 V single-ended, and the part is specified for the commercial 0 °C to +70 °C range on the C-suffix and -40 °C to +85 °C on the AC-suffix variants. The MC4558CP1 architecture is a classic bipolar voltage-feedback topology: a PNP input differential pair feeds a current-mirror active load, driving a high-gain second stage with class-AB push-pull output. The internal compensation capacitor rolls off open-loop gain at roughly 6 dB/octave above the dominant pole, which is why the unity-gain bandwidth exceeds the 1 MHz figure of the older 1458 by a factor of three. Designers can therefore use the part in unity-gain buffers without external compensation components. Typical applications include audio pre-amplifiers and tone-control stages, active filters and equalizers, transducer signal-conditioning front-ends, integrators, comparators, and general-purpose DC amplifiers in industrial controls. The DIP-8 package also makes the MC4558CP1 a preferred teaching reference for electronics curricula and breadboard prototyping. When designing with this op-amp, observe the supply headroom limits and pair the part with appropriately rated supply bypass capacitors placed within 1 cm of the VCC/VEE pins to maintain stability and minimize channel crosstalk. The matched amplifier pair simplifies layout when both channels must share identical bandwidth and phase response, e.g., in stereo audio front-ends. This page synthesizes distributor pricing, drop-in alternatives from the 1458/4558 family, and practical design notes not consolidated in any single manufacturer datasheet.

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MC56F8002VWL - 16-bit 56800E DSC, 32MHz, 12KB Flash 28-SOIC | NXP
MC56F8002VWL

MC56F8002VWL - 16-bit 56800E DSC, 32MHz, 12KB Flash 28-SOIC | NXP

The NXP MC56F8002VWL is a 16-bit Digital Signal Controller (DSC) from the MC56F800x family, built on the 56800E core architecture. It delivers 32 MHz of CPU clock speed (per DigiKey/NXP listing) and integrates 12 KB (6K x 16) of on-chip Flash program memory alongside a 28-pin SOIC package with 23 general-purpose I/O pins. The part operates from a 1.8 V to 3.6 V supply range, making it well suited to low-voltage embedded designs. A Digital Signal Controller (DSC) is a hybrid class of programmable device that combines the deterministic interrupt response and peripheral integration of a microcontroller with the Multiply-Accumulate (MAC) engine and Harvard bus structure of a Digital Signal Processor (DSP). The 56800E core executes instructions in a single cycle where possible and is positioned in the taxonomy as: DSC -> DSP/MCU hybrid -> microcontroller -> integrated circuit -> semiconductor. DSCs target real-time control loops where the math throughput of a DSP is needed but the application footprint, cost, and tool chain of an MCU are preferred. Key features of the MC56F8002VWL include the 56800E 16-bit core, 12 KB Flash program memory, 32 MHz maximum core frequency, 23 GPIO lines, and a supply range of 1.8 V to 3.6 V. The integrated peripheral set reduces external component count in motor, lighting, and power-conversion designs. According to the NXP MC56F8006/MC56F8002 reference manual, the family integrates peripherals such as timers, PWM modules, ADCs, and communication interfaces configured per the variant. Architecturally, the 56800E core uses a dual Harvard memory structure with separate program and data buses, allowing simultaneous fetches that improve sustained throughput on control algorithms. The 12 KB Flash is sufficient for closed-loop field-oriented motor control (FOC), digital lighting ballast loops, and small power-factor correction (PFC) firmware where deterministic performance is more important than raw memory size. Typical applications for the MC56F8002VWL include low-cost BLDC/PMSM motor drives, switch-mode power supplies (SMPS), digital LED lighting ballasts, appliance control boards, and small industrial control modules. The wide 1.8 V to 3.6 V supply and integrated analog peripherals make it attractive for power-conversion applications where a single IC handles both sensing and control. When designing with this part, ensure your firmware budget fits within 12 KB Flash plus available RAM, and check the variant's peripheral mix against your PWM, ADC, and communication requirements. NXP's CodeWarrior and the newer MCUXpresso DSC toolchains support this family, and engineers should plan for the variant-specific header files to avoid peripheral register mismatches. This page synthesizes distributor pricing, lifecycle signals, drop-in 56800E family alternatives, and practical design notes not found in the manufacturer datasheet alone. The NXP product page flags End-of-Life for MC56F8002VWL, so designers should review replacement and obsolescence options before committing the part to long-life programs.

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MC56F8006MLC - 16-bit DSC, 56800E Core, 16KB Flash | NXP
MC56F8006MLC

MC56F8006MLC - 16-bit DSC, 56800E Core, 16KB Flash | NXP

The NXP MC56F8006MLC is a 16-bit digital signal controller (DSC) from the MC56F800x family, featuring a 56800E core operating at 64 MHz bus clock with 32 MHz core MIPS throughput, 16 KB of on-chip Flash memory, and a 32-pin LQFP package. The device integrates DSP-class signal-processing capability with microcontroller peripheral integration on a single die, targeting cost-sensitive real-time control applications. A Digital Signal Controller (DSC) is a hybrid device class that combines a microcontroller's deterministic peripheral handling with a digital signal processor's mathematical pipeline. The 56800E core belongs to the family: 56800E core -> DSC -> microcontroller -> embedded processor -> semiconductor. Compared with a traditional 8/16-bit MCU, a DSC adds hardware multiply-accumulate, single-cycle MAC, and Harvard-style bus architecture, allowing closed-loop control loops, power-conversion math, and sensor fusion to run on a single chip without an external DSP partner. The MC56F8006 sits at the entry level of NXP's DSC portfolio, designed for mathematically intensive yet price-sensitive applications. Key specifications include 16 KB Flash program memory, 1.8 V to 3.6 V single-supply operation, 23 general-purpose I/O (GPIO) pins, on-chip 12-bit ADC, PWM modules suitable for motor and power control, and serial interfaces including SCI, SPI, and I2C. The device includes an internal relaxed oscillator with PLL-based frequency multiplication to derive the 64 MHz system clock from lower-cost external references. The MC56F8006 uses a Harvard-style 56800E architecture with separate program and data buses, allowing simultaneous fetch and operand access. The integrated peripheral set includes timers, PWM, ADC, and communication blocks, eliminating external components and reducing BOM cost. Built-in boundary scan and JTAG support simplify factory test and in-field firmware updates. Typical applications include BLDC and PMSM motor control in appliance fans and pumps, digital power conversion (PFC, LLC, buck/boost), LED lighting ballasts with analog dimming, and low-end industrial sensor conditioning. The wide 1.8 V to 3.6 V supply range supports both 2.5 V and 3.3 V system rails, simplifying multi-rail designs. When designing, ensure JTAG pins are accessible for factory programming and that the internal relaxed oscillator accuracy is acceptable for the target application. For motor control, leverage the integrated PWM and ADC synchronization rather than external triggering to reduce latency and BOM cost. This page synthesizes distributor pricing, NXP product-page lifecycle notes, parametric comparison with related 56F8xxx devices, and design notes covering JTAG access, oscillator selection, and motor-control timing - content not collated in the bare manufacturer datasheet.

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MC56F8006VLC - 16KB Flash 32MHz DSC | NXP 32-LQFP
MC56F8006VLC

MC56F8006VLC - 16KB Flash 32MHz DSC | NXP 32-LQFP

The NXP MC56F8006VLC is a 16-bit digital signal controller (DSC) from the 56800E core-based 56F800x family, integrating 16KB of Flash program memory, 32MHz maximum CPU clock, and a flexible peripheral set in a 32-pin LQFP package. It combines DSP-class signal processing throughput with microcontroller peripherals, targeting mathematically intensive real-time control applications such as digital power conversion, motor control, and sensor signal conditioning. What is a Digital Signal Controller? A DSC is a hybrid device that merges the deterministic math engine of a digital signal processor with the integrated peripherals and ease-of-use of a microcontroller. Architecturally, a DSC sits above a plain MCU in the embedded hierarchy (microcontroller -> digital signal controller -> DSP) and below a stand-alone DSP, occupying a sweet spot where signal-processing throughput must coexist with PWM, ADC, timers, and GPIO. The 56800E core uses a unified data/program memory map and a modified Harvard bus, with single-cycle MAC support that is essential for power-loop and field-oriented motor-control algorithms. Key features of the MC56F8006VLC include 16KB Flash (organized as 8K x 16), 2KB RAM, an internal Phase-Locked Loop for clock multiplication, multiple 16-bit timers, a 12-bit ADC, PWM modules suited for switch-mode power supplies, and serial peripherals (SCI, SPI, I2C). The device operates from 1.8V to 3.6V, supports industrial temperature range (-40C to +105C or -40C to +125C per device marking), and provides 23 general-purpose I/O pins. The LQFP-32 footprint offers 0.8mm pitch and an exposed-pad option on the family for improved thermal dissipation. Typical applications include digital DC/DC and AC/DC power converters, small BLDC and PMSM motor drives (fans, pumps, appliances), uninterruptible power supplies, induction cooking, smart sensors, and LED drivers with closed-loop current regulation. The combination of DSP math throughput, low BOM cost, and a familiar MCU development flow makes it a strong choice for cost-sensitive embedded control where 8-bit MCUs run out of headroom. When designing with this part, ensure the JTAG/OnCE debug interface is accessible on the board, allocate proper decoupling on AVDD/DVDD pins, and follow NXP's PCB layout guidance for the analog sections to keep ADC performance within spec. Note that NXP has issued End-of-Life notices for several 56F800x variants; engineers should verify lifecycle status before committing to new designs.

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MC56F8006VLF - 16-Bit 32MHz DSC, 16KB Flash | NXP
MC56F8006VLF

MC56F8006VLF - 16-Bit 32MHz DSC, 16KB Flash | NXP

NXP Semiconductors MC56F8006VLF is a 16-bit digital signal controller with a 32 MHz 56800E core, 16 KB of flash memory, and a 48-LQFP 7 x 7 mm package. It combines digital signal processing with microcontroller peripherals for mathematically intensive, power-sensitive, real-time control applications. A digital signal controller, or DSC, is a processor category positioned between a conventional microcontroller and a digital signal processor. MC56F8006VLF executes real-time control algorithms while providing general-purpose peripherals and embedded flash in one integrated device. Its 56800E architecture is intended for motor-control, power-conversion, and industrial automation functions where deterministic control and compact embedded integration matter. The verified manufacturer material identifies a 16-bit processing core, 32 MHz operating frequency, and 16 KB flash memory. NXP describes the entry-level MC56F8006 and MCF56F8002 devices as cost-effective solutions for power-sensitive, real-time control applications. The family integrates peripherals to reduce external component count while preserving the responsiveness required by feedback-control systems. MC56F8006VLF is supplied in a 48-LQFP package, making it suitable for conventional surface-mount PCB assembly. Its 16 KB flash capacity is sufficient for compact control firmware, configuration data, and application-specific code. The 32 MHz clock and 16-bit architecture support fast mathematical processing, while the integrated peripheral set helps simplify designs that would otherwise require separate interface and control components. Typical applications include digital motor control, power-supply regulation, industrial inverter control, signal conditioning, and embedded instrumentation. The part is particularly relevant when a system needs deterministic digital filtering or feedback calculations but does not require a high-end digital signal processor. NXP’s product family positioning emphasizes mathematically intensive, power-sensitive control rather than general-purpose processing. For a new design, verify supply voltage, peripheral assignments, timing, pin multiplexing, programming requirements, and package-level constraints against the manufacturer datasheet before committing the PCB. Because MC56F8006VLF is identified as end-of-life by the NXP product page, engineers should also confirm availability, lifecycle status, and approved sourcing options before starting a production release. This page combines verified manufacturer identity, distributor specifications, lifecycle context, package information, and practical sourcing considerations. It is intended to help engineers locate the datasheet, assess the device’s real-time control role, and determine whether a legacy design requires migration planning.

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MC56F8006VWLR - 16KB Flash 32MHz 56800E DSC | NXP
MC56F8006VWLR

MC56F8006VWLR - 16KB Flash 32MHz 56800E DSC | NXP

The NXP MC56F8006VWLR is a 16-bit 56800E-core Digital Signal Controller (DSC) that integrates the processing power of a DSP with the peripheral integration of a microcontroller, packaged in a 28-pin wide-body SOIC (SOIC-28-300mil). Per the manufacturer datasheet, it delivers up to 32 MIPS at 32 MHz core clock, with 16 KB of program Flash (organized as 8K x 16) and operates from a 1.8 V to 3.6 V supply. A Digital Signal Controller (DSC) is a hybrid device that occupies the architectural middle ground between a pure microcontroller (MCU) and a digital signal processor (DSP). It uses a modified Harvard architecture with a deterministic interrupt model, on-chip memory, and DSP-class multiply-accumulate instructions that allow closed-loop control loops to execute in a single instruction cycle. DSCs are widely used in digitally controlled switching power supplies, motor drives, sensor signal conditioning, and LED lighting where tight math latency matters more than raw GHz throughput. Key features of the MC56F8006 include 16 KB Flash / 2 KB RAM, a 6-channel PWM module suitable for three-phase or multi-channel DC/DC control, a 12-bit ADC, 23 GPIO lines, and on-chip relaxation oscillator. Integrated peripherals such as the programmable interval timer, queued serial peripheral interface (QSPI), and inter-integrated circuit (I2C) interface reduce external component count, lowering both BOM cost and PCB area. The device is qualified to -40 °C to +105 °C industrial temperature range. Architecturally, the 56800E core couples a unified data/program address space with dual operand fetches per cycle, enabling one-cycle MAC instructions that close PI or state-observer loops in motor-control firmware well within 32 MHz. The on-chip voltage regulator generates logic-level rails from the 1.8 V to 3.6 V external supply, simplifying analog/digital supply partitioning. Typical applications include switched-mode power supplies (SMPS), digital motor control (BLDC, PMSM, and stepper), solar micro-inverters, smart LED drivers, and industrial sensor conditioning. The wide operating voltage and industrial temperature grade also suit 12 V/24 V automotive-body and appliance platforms. A key design consideration is Flash endurance: typical 10,000 write/erase cycles per sector constrain in-application firmware updates. Designers should reserve a bootloader sector and follow NXP's recommended erase-modify-write sequence. This page synthesizes distributor pricing, parametric comparison against drop-in alternatives, and practical design guidance not typically consolidated on a single manufacturer datasheet.

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MC56F8013VFAE - 16-Bit 32MHz DSC, 16KB Flash, LQFP-32 | NXP
MC56F8013VFAE

MC56F8013VFAE - 16-Bit 32MHz DSC, 16KB Flash, LQFP-32 | NXP

The NXP MC56F8013VFAE is a 16-bit digital signal controller (DSC) in the 56800E 56F8xxx family, delivering 32 MHz core performance with 16 KB (8K x 16) of on-chip Flash and a 32-pin LQFP (7x7 mm) package. It integrates the computational power of a DSP with the peripheral set of a microcontroller on a single die, targeting cost-sensitive embedded control applications. The device operates from a 3.3 V supply and is qualified to AEC-Q100 for automotive deployments. What is a Digital Signal Controller? A Digital Signal Controller (DSC) is a hybrid class of embedded processor that combines microcontroller (MCU) peripherals and interrupt-driven control with the deterministic numeric throughput of a digital signal processor (DSP). In the system hierarchy, a DSC sits between a general-purpose MCU (e.g., ARM Cortex-M0) and a standalone DSP (e.g., TI C6000). DSCs are widely used in motor control, power conversion, and sensor-fusion applications where both deterministic control loops and arithmetic DSP kernels are required on one chip. The 56800E core used in the 56F8013 family adds a Harvard-style memory architecture and single-cycle MAC operations typical of DSP cores. Key features of the MC56F8013 include 16 KB Flash, 4 KB RAM, a 32 MHz 56800E core with single-cycle 16-bit multiply-accumulate, dual 6-channel PWM modules for motor drive, two 12-bit ADCs with up to 8 channels, and communication peripherals including SCI, SPI, and I2C. The 56F8013 derivative adds a CAN 2.0 A/B module versus the lower-feature 56F8011 sibling. On-chip regulators and a low-power Stop mode reduce quiescent draw for battery-connected systems. Typical applications span BLDC/PMSM motor drives (drones, e-bikes, appliances), digital switched-mode power supplies (PFC + LLC), automotive sensor interfaces, and industrial servo loops. The 56800E instruction set is C-friendly and supported by NXP's CodeWarrior and the newer MCUXpresso toolchain plus Processor Expert graphical configuration. Design considerations: maintain a clean analog ground island for ADC accuracy, place the 3.3 V decoupling network within 5 mm of the supply pins, and verify PWM timing closure against the application's control-loop rate. The LQFP-32 footprint allows hand-soldering and rework on prototype boards.

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MC56F8014VFAE - 32MHz 16-Bit DSC with 32KB Flash | NXP
MC56F8014VFAE

MC56F8014VFAE - 32MHz 16-Bit DSC with 32KB Flash | NXP

The NXP Semiconductors MC56F8014VFAE is a 16-bit digital signal controller microcontroller operating at up to 32 MHz, with 32 KB of flash memory, 8 KB RAM, PWM outputs, and COP/LVD support in a 32-LQFP (7x7 mm) package. It combines DSP and MCU functionality in the 56800E architecture, making it suitable for real-time motor-control and embedded signal-processing systems. A digital signal controller is a microcontroller architecture optimized for deterministic control loops and computationally intensive signal processing. The MC56F8014 combines a 16-bit core, programmable peripherals, ADC channels, PWM, and watchdog-related supervisory functions within one integrated device. Its dual Harvard-style architecture uses multiple execution units to support parallel instruction operations and efficient C-based control code. The verified device information identifies a maximum core frequency of 32 MHz, 32 KB program flash, and 8 KB RAM. The controller also includes one 5-channel PWM module and two 4-channel 12-bit ADC modules according to the supplied technical description. These resources support motor-control loops, digital power conversion, measurement systems, and embedded automation products. COP and low-voltage detection functions help supervise system operation and supply conditions. The MC56F8014VFAE is packaged in a 32-LQFP, 7x7 mm surface-mount package. The 32 MHz operating point provides a balance between control-loop responsiveness and embedded resource consumption, while the unified DSP/MCU architecture can reduce the need for separate general-purpose logic and signal-processing components. Exact pin functions, electrical limits, memory organization, timing, and peripheral behavior should be confirmed in the NXP 56F8014 technical data sheet. Typical applications include brushless DC motor control, digital motor controllers, power-conversion control, industrial automation, and embedded control systems with analog feedback. The 12-bit ADC resources suit sensor and current-voltage feedback, while PWM outputs support actuator and power-stage timing. CodeWarrior-oriented development and the MCU-style programming model support embedded firmware integration. Designers should verify the complete pin multiplexing, voltage limits, clock configuration, ADC conversion timing, PWM dead-time requirements, and package-level thermal conditions against the manufacturer datasheet before layout or firmware release. This page consolidates the supplied manufacturer, distributor, and cross-reference information while clearly identifying parameters that require datasheet confirmation.

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MC56F8025MLD - 16-Bit DSC 32MHz 32KB Flash 44-LQFP | NXP
MC56F8025MLD

MC56F8025MLD - 16-Bit DSC 32MHz 32KB Flash 44-LQFP | NXP

The NXP MC56F8025MLD is a 16-bit digital signal controller (DSC) based on the 56800E core, running at 32 MHz with 32KB (16K x 16) of on-chip flash program memory, 4KB (2K x 16) of RAM, and 35 general-purpose I/O lines, housed in a 44-pin LQFP (10 x 10 mm) surface-mount package. A digital signal controller combines the computation throughput of a digital signal processor with the programming model, interrupt structure, and peripherals of a microcontroller. In the embedded hierarchy, the MC56F8025MLD sits between general-purpose MCUs and dedicated DSPs: it is a member of the NXP 56F8xxx DSC family, which in turn belongs to the broader category of embedded microcontroller ICs for real-time control. Key features include the dual Harvard-style 56800E architecture with three parallel execution units capable of up to six operations per instruction cycle, 32KB of flash memory supporting in-circuit reprogramming, and connectivity peripherals including I2C, LINbus, SCI, and SPI. The part operates over an industrial temperature range and uses gull-wing terminals on a square LQFP body. Technically, the 56800E core executes an MCU-style, C-compiler-friendly instruction set while providing DSP instructions such as single-cycle MAC, hardware loop instructions, and bit-manipulation capability. This allows a single device to run both the control loop (PID, state machines) and signal-processing tasks (filtering, transforms) without a second processor, reducing board area and BOM cost in motor and power-conversion designs. Typical applications include digital power supplies and power factor correction, BLDC/PMSM and stepper motor control, AC induction motor drives, uninterruptible power supplies, and industrial appliances requiring fast closed-loop control. Design consideration: budget flash and RAM carefully - at 32KB/4KB the device targets compact control loops, and C code with heavy DSP libraries can exhaust memory quickly; enable compiler optimization and consider fixed-point math. This page synthesizes distributor pricing, availability, alternatives, and practical design notes not found in the manufacturer datasheet, with data verified as of 2026-10-18.

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MC56F8025VLD - 16-bit DSC, 56800E core, 32KB Flash, 32MHz, 44-LQFP
MC56F8025VLD

MC56F8025VLD - 16-bit DSC, 56800E core, 32KB Flash, 32MHz, 44-LQFP

The NXP MC56F8025VLD is a 16-bit Digital Signal Controller (DSC) built on the 56800E core, combining DSP performance with MCU-style peripheral integration, housed in a 44-pin LQFP (10x10 mm) package. It delivers up to 32 MIPS at 32 MHz, integrates 32 KB of program Flash and 8 KB of unified RAM, and targets cost-sensitive digital motor control and power conversion designs. The 56800E dual Harvard architecture features three parallel execution units capable of up to six operations per instruction cycle. A Digital Signal Controller (DSC) is a hybrid device that fuses a microcontroller's deterministic peripheral set with a digital signal processor's MAC engine and single-cycle arithmetic units. In the system hierarchy it sits between microcontrollers (MCUs) and full digital signal processors (DSPs), and is itself a member of the broader power management and embedded control IC family. The 56800E family includes 16-bit fixed-point MAC, hardware DO loops, and an MCU-friendly programming model that compiles cleanly from C, enabling rapid DSP code generation without manual assembly tuning. Key features include dual 12-bit successive-approximation ADCs with up to 8 input channels, two PWM modules with six complementary outputs suitable for 3-phase motor drive, one quad-timer, two SCI (UART) ports, one SPI port, one I2C port, and an on-chip relaxation oscillator. The device operates from a 3.0 V to 3.6 V supply across -40 C to +105 C, with internal 2.5 V regulator-derived logic supply and brown-out reset. The 44-LQFP package provides 32 GPIO with high-current sink/source capability for direct gate-driver interface. Typical applications include low-cost BLDC and PMSM motor drives (appliance fans, pumps, small HVAC blowers), digital PFC and LLC power conversion front-ends, solar micro-inverter control loops, induction cookware quasi-resonant converters, and LED lighting ballast controllers. NXP's Processor Expert and FreeMASTER tooling provides auto-generated peripheral drivers and a real-time variable watch for in-circuit tuning, dramatically shortening the firmware design cycle. A practical design consideration: route the analog ADC reference (VREF) and analog supply (VDDA) separately from the noisy digital supply (VDD), and place the 1 uF and 0.1 uF decoupling pair within 3 mm of each supply pin. Avoid running PWM switching traces under the analog ADC input traces to minimize coupled noise.

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MC56F8027MLH - 16-Bit Automotive Digital Signal Controller
MC56F8027MLH

MC56F8027MLH - 16-Bit Automotive Digital Signal Controller

The NXP Semiconductors MC56F8027MLH is a 16-bit digital signal controller combining an MCU-style programming model with dedicated DSP execution resources. The device is associated with the 56800E dual Harvard-style core architecture, whose three parallel execution units can perform as many as six operations per instruction cycle. MC56F8027MLH is packaged in a 64-terminal square gull-wing LFQFP package measuring 10 mm by 10 mm and is identified as automotive-grade in the verified distributor data. A digital signal controller is a microcontroller optimized for real-time control and signal-processing workloads. Unlike a general-purpose microcontroller, it integrates execution resources and instructions that improve throughput for operations such as filtering, control-loop calculation, waveform processing, and mixed control-plus-DSP tasks. Within the embedded-device hierarchy, the MC56F8027MLH is a microcontroller, an embedded processor, and a real-time signal-processing controller. The verified NXP datasheet identifies MC56F8027MLH as part of the 56F8000 family of 16-bit digital signal controllers. Its architecture supports parallel operation, while its MCU-oriented programming model and optimized instruction set are designed to generate efficient DSP and control code. This combination makes the controller relevant to automotive electronics, motor and motion control, industrial automation, consumer equipment, and other embedded systems that must combine deterministic control with real-time signal processing. The three execution units operate in parallel within a dual Harvard-style architecture. According to the NXP manufacturer datasheet, this arrangement allows as many as six operations per instruction cycle, while the instruction set is designed for efficient use by C compilers. This provides a clearer software and hardware rationale than treating the device only as a conventional MCU: control-loop code and arithmetic signal-processing operations can share one programmable platform. Typical application areas include motor control, power conversion, industrial automation, automotive body or accessory electronics, audio and communication signal processing, and compact embedded instruments. Suitability depends on the exact peripheral configuration, memory variant, clock requirements, voltage range, temperature grade, and package-specific pin functions listed for the ordered device. Those detailed operating limits and resources must be confirmed in the NXP datasheet before schematic or firmware commitment. When designing a board, route all 64 terminals according to the package pinout and preserve the required power, ground, clock, programming, and signal-conditioning connections. Firmware and peripheral use should follow the datasheet's startup, interrupt, timing, and low-power procedures. The combination of 16-bit digital signal control, parallel core execution, and a 64-lead automotive package makes MC56F8027MLH a specialized embedded platform rather than a general register-compatible substitute for unrelated microcontrollers. This page consolidates the verified package, architecture, lifecycle-relevant sourcing, and manufacturer-datasheet links while clearly separating unavailable specifications. Its practical value is the combination of application guidance, design cautions, and a transparent assessment of replacement availability for this specialized DSP-controller platform.

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