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ATF22V10C-10SC - 10ns Flash EEPROM PLD 24-SOIC | Microchip
ATF22V10C-10SC

ATF22V10C-10SC - 10ns Flash EEPROM PLD 24-SOIC | Microchip

The Microchip Technology ATF22V10C-10SC is a high-performance CMOS electrically erasable programmable logic device with 10 macrocells, 10 ns propagation speed, and a 24-SOIC package. It uses nonvolatile electrically erasable Flash memory to retain programmed logic after power removal, making it a practical alternative to fuse-based and antifuse GAL22V10 devices when field programmability or reusable configuration is important. The device operates from a 5 V supply and is part of the ATF22V10C 22V10 programmable-logic family. A programmable logic device, or PLD, is a semiconductor whose internal digital logic connections can be configured after manufacture. The PLD category includes simple programmable arrays, complex programmable logic devices, and field-programmable gate arrays. ATF22V10C-10SC occupies the small-to-medium logic position: 10 macrocells are sufficient for decoding, control sequencing, state-machine logic, and compact combinational or registered functions while avoiding the resource requirements of a larger FPGA. Key features include 10 macrocells, a 10 ns device speed, CMOS construction, electrically erasable Flash configuration memory, and a 24-pin SOIC package. The 10 ns speed rating supports timing designs requiring faster propagation than many older fuse-based GAL22V10 implementations. Because configuration is electrically erasable, the same device can be reprogrammed during development, qualification, or field update rather than being permanently fused. The ATF22V10C architecture supports mixed logic through programmable macrocells rather than a fixed gate array. Configuration data is stored in nonvolatile Flash memory, so the implemented control function remains available after power cycling. The manufacturer identifies speeds down to 5 ns for the broader ATF22V10C family, while the -10SC suffix selects the 10 ns grade. An optional pin-controlled power-down function is also documented for the family, allowing a design to place the PLD into a lower-power state when appropriate. Typical uses include industrial controller interface logic, address decoding, sequencing controllers, legacy GAL22V10 replacements, test-fixture control, and embedded systems that need a compact erasable logic block. The ATF22V10C can be especially useful where a GAL22V10C, GAL22V10D, or compatible JEDEC fuse map is specified, although designers should verify pin and fuse-map compatibility for each selected package and grade. For a reliable PCB implementation, preserve the manufacturer's recommended decoupling and programming interface, use the exact pinout for the 24-SOIC package, and confirm the compiled fuse map against the target logic before deployment. Treat the device as a PLD rather than a general-purpose processor: it implements fixed digital equations but does not execute firmware. Stable power, defined control inputs, and careful programming-mode handling are therefore central to predictable operation. This product data combines the manufacturer’s device description, package information, programming guidance, and verified cross-reference findings with practical implementation notes. It highlights the ATF22V10C-10SC’s most important selection criteria—10 macrocells, 10 ns speed, 5 V operation, 24-SOIC packaging, and electrically erasable Flash configuration—while identifying where a package-qualified replacement must be confirmed before PCB use.

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ATF22V10C-15JC - 15ns Flash EPLD, 10 Macrocell | Microchip
ATF22V10C-15JC

ATF22V10C-15JC - 15ns Flash EPLD, 10 Macrocell | Microchip

The Microchip ATF22V10C-15JC is a 5 V electrically erasable programmable logic device built on CMOS Flash memory technology. It provides 500 logic gates, 10 macrocells, and a 15 ns device speed in a 28-pin PLCC package measuring 11.51 mm by 11.51 mm. The device supports in-circuit reprogramming and retains its programmed logic configuration without a separate external memory device. An electrically erasable programmable logic device, or EEPLD, belongs to the programmable-logic-device hierarchy alongside SPLD, CPLD, and FPGA devices. Unlike mask-programmed or fuse-programmed alternatives, the ATF22V10C uses Flash memory to store its configuration electronically. This allows a finished board to be reprogrammed in place, which simplifies production revisions, prototype updates, and field maintenance. Key features of the ATF22V10C family include programmable macrocells, speeds down to 5 ns across the broader family, and low power dissipation with typical standby current reported as low as 10 µA. The -15JC ordering code identifies the 15 ns speed grade and commercial temperature option. Microchip identifies the device as an EEPLD with 10 macrocells, 500 gates, and a 28-PLCC package. The ATF22V10C architecture implements logic through a JEDEC-compatible fuse map. Microchip states that the ATF22V10C family is pin-to-pin and JEDEC fuse-map compatible with the GAL22V10, making it a practical migration path for boards designed around that established programmable-logic footprint. The JEDEC-compatible architecture allows the same device-programming conventions and board-level pin assignments to be retained. Typical uses include bus decoding, address translation, control-signal generation, data-routing functions, and legacy glue-logic replacement. Its 15 ns speed grade is appropriate for general-purpose control logic where the device must operate close to slower TTL or CMOS system buses. The ATF22V10C is especially relevant to maintenance of older industrial, communications, instrumentation, and embedded-control equipment that previously relied on GAL22V10 or comparable 22V10 devices. Designers should verify the exact pin assignment, operating voltage limits, temperature limits, and programming-device requirements in the manufacturer datasheet before substituting it into an existing board. Flash configuration updates require the appropriate programming algorithm and electrical connection sequence. Confirm the -15 speed grade and JC package or temperature suffix against the original BOM rather than relying only on the 22V10 family name. This page consolidates the verified device specifications, manufacturer documentation, programming and pinout references, and practical migration guidance for engineers evaluating the ATF22V10C-15JC as a flash-based 22V10 replacement.

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ATF22V10C-5JC - 500-Gate EE PLD, 10 Macrocells, 5ns | Microchip
ATF22V10C-5JC

ATF22V10C-5JC - 500-Gate EE PLD, 10 Macrocells, 5ns | Microchip

The Microchip ATF22V10C-5JC is a high-performance CMOS electrically erasable programmable logic device (EE PLD) providing 500 logic gates in 10 macrocells, with 5 ns propagation delay, packaged in a 28-pin J-lead PLCC (QCCJ, 11.51 mm x 11.51 mm) surface-mount package. It operates from a single 5 V supply with commercial-grade 5 V +/- 5% tolerance and consumes as little as 10 uA in power-down state. The device replaces the legacy fuse-programmed GAL22V10 architecture with in-circuit electrically erasable flash memory, so a design can be re-programmed without a programmer socketed into a dedicated fixture. An EE PLD is a programmable logic device whose configuration memory is non-volatile and re-writable. Within the wider semiconductor hierarchy, ATF22V10C sits in the programmable logic family, which sits inside the broader logic IC and programmable logic device categories. A GAL22V10-style device maps a fixed sum-of-products architecture onto 10 macrocells, each with 8 product terms feeding an OR plane plus a configurable flip-flop. That structure makes the ATF22V10C a natural fit for glue logic, control decoding, address decoding and bus arbitration logic that must be re-worked late in a design cycle. Key electrical features include a 5 ns minimum tPD, 10 macrocells of 500 total gates, a 28-pin PLCC footprint, an input latch feature that holds inputs at their previous logic states, and flash-based in-circuit re-programming. Unlike mask-programmed or OTP alternatives, the ATF22V10C can be updated on the assembly line, which shortens NPI schedules and eliminates disposal of obsolete programmed parts. Technically, the ATF22V10C is architecturally compatible with the classic GAL22V10 JEDEC fuse map, so existing GAL22V10 pinouts, fusing tables and JEDEC third-party programmer support carry over directly. Microchip publishes the ATF22V10C as the recommended replacement for the GAL22V10, noting that AC and DC characteristics are very similar with only minor differences. Typical applications include address decoding for memory and peripheral buses, control-plane state machines for industrial and instrumentation equipment, retrofit glue logic around legacy microcontrollers, ASIC prototyping, and interface logic in test and measurement equipment. The 28-pin PLCC package gives short, low-inductance leads that support both hand soldering and reflow at 5 V clock speeds. When designing around the ATF22V10C, remember that its 10-macrocell architecture maps to classic GAL22V10 JEDEC equations; use a JEDEC-compatible programmer and verify the fuse map against the vendor library before taping out. Place a 0.1 uF decoupling capacitor at each supply pin and keep PLCC leads short to limit ground bounce on fast output transitions. This page consolidates verified distributor specifications for the ATF22V10C-5JC, pin-compatible drop-in alternatives, JEDEC fusemap compatibility notes, and practical design guidance that is not consolidated in a single manufacturer document.

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ATF22V10C-5JX - 5ns 500-Gate EE PLD | Microchip Technology
ATF22V10C-5JX

ATF22V10C-5JX - 5ns 500-Gate EE PLD | Microchip Technology

The Microchip Technology ATF22V10C-5JX is a 5 ns, 500-gate electrically erasable programmable logic device with 10 macrocells, supplied in a 28-pin PLCC package measuring 11.51 mm by 11.51 mm. It operates from a 5 V supply and combines a 166 MHz maximum device frequency with electrically erasable Flash-memory configuration. The ATF22V10C series provides a practical way to implement compact glue logic, address decoding, control sequencing, and interface adaptation where a small microcontroller or FPGA would be unnecessary. A programmable logic device, or PLD, is a semiconductor whose digital function is defined by stored programming data rather than fixed logic. The ATF22V10C belongs to the simple PLD hierarchy: PLD > simple PLD > SPLD > electrically erasable PLD. Compared with a mask-programmed PAL device, its Flash-memory configuration can be changed during development, simplifying logic revisions, prototype corrections, and production programming workflows. Key features include 10 macrocells, approximately 500 gates, a 5 ns speed grade, a 166 MHz stated maximum frequency, and 5 V operation. The electrically erasable Flash architecture retains the programmed function without continuous electrical rewriting. According to the manufacturer datasheet, power dissipation can be as low as 10 uA typical, making the device useful where low standby consumption is valuable. A pin-controlled power-down feature is also available, with the PD function located on pin 5 for PLCC packages. The ATF22V10C-5JX is an older, compact CMOS PLD rather than a field-programmable gate array. Its 10 macrocells provide substantially less logic capacity than modern CPLDs and FPGAs, but the 5 ns speed class supports faster decision and decoding paths than slower SPLD grades. The main design trade-off is fixed logic capacity: complex state machines, wide arithmetic functions, and large parallel interfaces may exceed the available macrocells even when the propagation delay is suitable. Typical applications include industrial control address decoding, peripheral-chip-select generation, asynchronous interface adaptation, embedded reset and power sequencing, test-fixture control, and compact legacy-controller support. Because the device is electrically erasable, it is especially useful for bridge or glue logic that must evolve independently of a larger system-on-chip. Its J-lead PLCC package also provides a practical surface-mount option for boards that cannot accommodate a through-hole DIP package. Designers should confirm that the required Boolean equation set fits the 10 macrocells and should verify the JEDEC-compatible fuse map before replacing a GAL22V10 or designing a new board. Programming tooling and the correct ATF22V10C device family must be selected. The 5 V supply, 5 ns timing grade, and PLCC footprint should all be checked against the existing schematic and PCB library before procurement. This product page consolidates manufacturer specifications, distributor pricing, package information, and verified replacement information. It also provides practical selection guidance for ATF22V10C speed grades and clearly distinguishes verified drop-in candidates from options that change speed grade, temperature grade, package, or device architecture.

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ATF22V10C-7JC - 500-Gate 7 ns EE PLD | Microchip Technology
ATF22V10C-7JC

ATF22V10C-7JC - 500-Gate 7 ns EE PLD | Microchip Technology

The Microchip Technology ATF22V10C-7JC is a 500-gate electrically erasable programmable logic device with 10 macrocells, a 5 V supply, and a 7 ns speed grade, housed in a 28-pin PLCC package. It belongs to the ATF22V10C family of CMOS PLDs and provides a practical combination of combinational logic capacity, flash-based reprogrammability, and surface-mount integration for established control and interface designs. An electrically erasable PLD is a user-programmable logic device whose configuration is stored in nonvolatile memory. In the broader semiconductor hierarchy, the ATF22V10C-7JC is a PLD, then a programmable logic device, then an integrated circuit, and finally a semiconductor. Its ten macrocells make it suitable for compact glue-logic implementations, pin mapping, control decoding, and other functions that can be consolidated into one device rather than implemented with multiple conventional logic ICs. The verified product information identifies the device as a 22V10-series EE PLD with 500 gates, 10 macrocells, a 5 V operating supply, and a 7 ns speed designation. A separate distributor listing describes the propagation delay as 7.5 ns, so the two published figures should be checked against the applicable datasheet revision and test conditions before using the timing figure for a safety-critical design. The family documentation also describes electrically erasable flash memory, low-power operation, and speeds down to 5 ns across the broader ATF22V10C range. The ATF22V10C architecture provides multiple product-term configurations for the ten output macrocells. Microchip documentation states that the family supports programmed operating modes and that related ATF22V10CZ and ATF22V10CQZ devices form a superset of generic 22V10 architectures. The ATF22V10C series also offers an optional pin-controlled power-down function; in the PLCC package, the power-down signal is identified at pin 5 in the manufacturer documentation. Typical uses include industrial control logic, interface decoding, legacy peripheral emulation, counter or state-machine implementation, and compact control logic in otherwise discrete-logic systems. The 28-pin PLCC footprint is especially relevant to maintenance and redesign work involving boards designed around the classic 22V10 architecture. Its nonvolatile, electrically erasable configuration also supports repeatable engineering changes without a dedicated ultraviolet-erase step. When designing around the ATF22V10C-7JC, preserve the manufacturer's pin assignment and programming-device requirements, and do not substitute a PLD solely because its gate count is similar. Verify the JEDEC fuse-map compatibility, supply voltage, macrocell product-term allocation, active levels, timing grade, and temperature designation against both the target and proposed replacement datasheets. The verified data does not supply exact package dimensions beyond the 28-pin PLCC identification, so mechanical drawings should be taken from the official package documentation. This page combines the verified manufacturer and distributor information, genuine cross-reference candidates, application guidance, and pin-compatibility cautions rather than repeating raw catalog data alone. It also separates confirmed device facts from fields that remain unavailable, helping engineers evaluate this legacy PLD and any replacement before committing a board layout or production order.

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ATF22V10C-7JI - 10-Macocell 5V EE PLD | Microchip
ATF22V10C-7JI

ATF22V10C-7JI - 10-Macocell 5V EE PLD | Microchip

The Microchip Technology ATF22V10C-7JI is a 10-macocell electrically erasable programmable logic device (EE PLD) with a 7.5 ns propagation delay, 5 V input voltage, and a 28-pin PLCC J-lead package. It belongs to the ATF22V10C family and uses electrically erasable Flash memory, allowing the implemented logic design to be reprogrammed during development or field updates. An EE PLD is a semiconductor whose digital logic function is user-programmed through a configurable internal array. The ATF22V10C-7JI provides 10 macrocells, equivalent to approximately 500 gates according to distributor data. This makes it useful for implementing fixed combinational and registered logic, interfacing legacy systems, consolidating small amounts of glue logic, and providing compact control functions in industrial automation, consumer electronics, and telecommunications equipment. Key characteristics include a 7.5 ns speed grade, operation from a 5 V input supply, surface-mount construction, and an industrial temperature grade. The family also provides an optional pin-controlled power-down function in which the PD control appears on pin 5 of the PLCC package. Electrically erasable Flash technology gives the device a different programming and update model from one-time-programmable fuse-based PAL and GAL devices. The ATF22V10C architecture combines programmable input and output structures with dedicated clock and output-enable functions. The device can implement registered logic through its macrocell flip-flops while retaining the familiar JEDEC-compatible 22V10 logic arrangement. This architecture is intended for designs requiring more flexibility than a fixed gate array but less complexity than a modern FPGA. Typical uses include industrial control logic, communication-interface decoding, address and command multiplexing, legacy peripheral adaptation, and compact system-control functions. Because the device is packaged in a 28-pin PLCC, it is particularly relevant to equipment upgrades that already use that footprint and JEDEC-compatible logic mapping. When replacing an older GAL22V10 implementation, verify the programmed fuse map, pin-controlled power-down behavior, timing grade, temperature range, and supply requirements against the manufacturer datasheet. The PLCC footprint is suitable for surface-mount assembly, but exposed-pad thermal analysis is not applicable because this package does not contain an exposed thermal pad. This product page consolidates verified source data, sourcing information, specification comparisons, and application-oriented design guidance. It also distinguishes documented drop-in alternatives from broader functional replacements and identifies the specific details that must be checked before substituting a legacy programmable-logic device.

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ATF22V10C-7JU - 10-Macrocell 7 ns PLD | Microchip | PLCC
ATF22V10C-7JU

ATF22V10C-7JU - 10-Macrocell 7 ns PLD | Microchip | PLCC

Microchip ATF22V10C-7JU is a 500-gate, 10-macrocell electrically erasable programmable logic device with a 7 ns speed grade, 5 V supply, and 28-pin PLCC package. The ATF22V10C family combines CMOS PLD architecture with electrically erasable Flash memory for in-circuit reprogramming. It implements programmable sum-of-products logic in a single package and is suitable for compact control, decoding, interface, and fixed-logic designs. A programmable logic device is a semiconductor whose internal logic connections are configured through programming rather than fixed during fabrication. The ATF22V10C belongs to the SPLD hierarchy, joining PAL-derived combinational logic with erasable nonvolatile configuration memory. Ten macrocells and 500 gates provide more integration than simple fuse-programmed devices while preserving predictable combinational propagation delays. The -7JU ordering identifies the 7 ns speed option, industrial temperature construction, and 28-pin PLCC configuration. The device operates from a nominal 5 V supply, with a documented operating range extending from 4.5 V to 5.5 V. The ATF22V10C family also supports speeds down to 5 ns and standby or power-down dissipation as low as 10 uA typical, allowing designs to balance speed against standby power. The electrically erasable Flash configuration memory distinguishes this device from one-time-programmable fuse-link PLDs. Logic can be revised during development without replacing the package, while the JEDEC-compatible fusemap supports predictable migration from GAL22V10-class designs. The optional pin-controlled power-down function provides another mechanism for reducing current in systems that do not require continuous logic evaluation. Typical uses include industrial control logic, bus decoding, state-machine sequencing, peripheral interfacing, and compact embedded-control subsystems where a small PLD can consolidate multiple gates. The 28-pin PLCC package is suitable for through-hole board assembly and sockets, while the electrically erasable configuration supports engineering revisions and production programming. Designers should compare propagation delay against the system timing budget, confirm absolute maximum and recommended operating voltages, and include pull-up or pull-down resistors where required by the selected configuration. The pin-controlled power-down function uses a dedicated PLCC pin and should be checked against the fuse map before PCB changes. This page combines manufacturer specifications, replacement analysis, application guidance, and drop-in comparison information for faster engineering evaluation.

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ATF22V10C-7PC - 7ns 500-Gate Flash PLD | Microchip Technology
ATF22V10C-7PC

ATF22V10C-7PC - 7ns 500-Gate Flash PLD | Microchip Technology

Microchip Technology ATF22V10C-7PC is a 7 ns, 500-gate electrically erasable CMOS programmable logic device with 10 macrocells, supplied in a 24-pin PDIP package. It uses electrically erasable Flash memory and operates from a 5 V supply, combining reconfigurable digital logic with a through-hole package suited to legacy control, interface, and industrial automation systems. An EEPLD is a programmable logic device that stores a logic configuration in nonvolatile memory. The device sits within the hierarchy of programmable logic devices, including simple PLDs, complex PLDs, FPGAs, and CPLDs. Unlike a mask-programmed logic array, the ATF22V10C-7PC can be erased and reprogrammed, allowing the same board design to support multiple logic configurations, design revisions, or field updates. The principal performance characteristics are a 7 ns device speed, 500 equivalent gates, 10 macrocells, 5 V operation, and nonvolatile Flash-backed configuration storage. The ATF22V10C family also includes speed options down to 5 ns, and Microchip documents power dissipation as low as 10 μA typical for the family. The commercially graded -7PC ordering code identifies the 7 ns variant in the 24-pin PDIP package. Architecturally, the device implements sum-of-products logic through a fuse-map-compatible PLD arrangement. Microchip identifies the ATF22V10C, ATF22V10CQ, and ATF22V10CQZ as suitable replacements for the GAL22V10 because they are pin-to-pin and JEDEC fuse-map compatible. Electrical and timing characteristics should still be compared against the original GAL22V10 datasheet before substituting them into an existing design. Typical uses include industrial control signal decoding, legacy peripheral interfacing, custom logic functions, product routing, test-fixture control, and small control systems where a compact 10-macrocell PLD is more practical than a larger FPGA. Its nonvolatile Flash configuration also avoids loading the programming pattern into volatile memory after each power-up. Designers should preserve the published 24-pin footprint, supply requirements, timing limits, and output-drive constraints when replacing a GAL22V10 or another compatible PLD. Because the verified source set does not provide a complete pin list, electrical limits, or detailed AC timing tables, those values must be confirmed in the manufacturer datasheet before layout release or production use. This page consolidates verified Microchip and distributor information, identifies same-package replacement candidates, and separates confirmed parameters from data that still requires datasheet review. This added context helps engineers compare ATF22V10C-7PC with legacy PAL/GAL logic without mistaking package similarity for guaranteed system compatibility.

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ATF22V10C-7PX - 10-Macrocell 7 ns SPLD | Microchip
ATF22V10C-7PX

ATF22V10C-7PX - 10-Macrocell 7 ns SPLD | Microchip

The Microchip Technology ATF22V10C-7PX is a 22V10-compatible, electrically erasable programmable logic device with 10 macrocells, approximately 500 logic gates, a 5 V supply, and a 7 ns speed designation. It is packaged in a 24-pin PDIP. The device uses electrically erasable Flash memory, allowing its fuse map and logic configuration to be programmed or rewritten without a dedicated programmer that uses ultraviolet erasure. An SPLD, or simple programmable logic device, is a user-programmable semiconductor that combines AND-array logic, OR-array logic, and programmable I/O resources into one reconfigurable logic component. Within the broader semiconductor hierarchy, the ATF22V10C-7PX belongs to the PLD family, which sits between fixed gate arrays and larger FPGAs. Its JEDEC-compatible 22V10 architecture is useful when a compact, deterministic logic block is required without implementing a full FPGA configuration system. The ATF22V10C family provides 10 macrocells and approximately 500 gates in a 24-pin package. According to the Microchip ATF22V10C datasheet, electrically erasable Flash technology supports device reprogramming, while operating power dissipation can be as low as 10 uA typical. The -7 suffix identifies the 7 ns speed grade, making this version appropriate for control logic requiring short propagation delay while operating from a nominal 5 V supply. The ATF22V10C family provides 10 macrocells and approximately 500 gates in a 24-pin package. According to the Microchip ATF22V10C datasheet, electrically erasable Flash technology supports device reprogramming, while operating power dissipation can be as low as 10 uA typical. The -7 suffix identifies the 7 ns speed grade, making this version appropriate for control logic requiring short propagation delay while operating from a nominal 5 V supply. Typical uses include legacy interface decoding, industrial control sequencing, glue logic, counter and state-machine implementations, and compact system-support functions. The electrically erasable architecture also suits prototypes and field-updateable products where a conventional one-time-programmable fuse-based PLD would be less convenient. Designers should still verify the programmed fuse map and timing against the system clock budget. For a new board, preserve the 24-pin PDIP footprint and assign every 22V10-compatible pin according to the pin-description table in the manufacturer datasheet. Check whether unused inputs require defined logic levels and whether the design needs a 5 V supply within the supported tolerance. The same package also allows speed-grade substitutions to be evaluated without changing the PCB footprint. This page combines the manufacturer architecture description, distributor part identification, programming and pinout resources, drop-in family alternatives, and practical replacement considerations. It is intended to help engineers locate the datasheet, verify the package, compare speed grades, and determine whether the ATF22V10C-7PX remains appropriate for a legacy or redesign project.

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ATF22V10C-7SC - 10-Macrocell 7 ns SPLD | Microchip
ATF22V10C-7SC

ATF22V10C-7SC - 10-Macrocell 7 ns SPLD | Microchip

The Microchip Technology ATF22V10C-7SC is a high-performance electrically erasable programmable logic device with 10 macrocells, a 7.5 ns propagation delay, and a 24-pin SOIC package. It operates from a nominal 5 V supply and provides approximately 500 gates of programmable logic for implementing fixed Boolean functions in compact digital control systems. Its nonvolatile electrically erasable Flash configuration allows stored logic to be modified without removing the device from its circuit. A simple programmable logic device, or SPLD, is a user-programmable semiconductor that combines AND and OR logic structures into a flexible logic array. Within the semiconductor hierarchy, an SPLD sits between fixed logic gates and more complex field-programmable gate arrays. Unlike a mask-programmed logic device, an SPLD can be programmed by the equipment builder, making it useful for glue logic, interface control, state decoding, and compact product revisions. The ATF22V10C family combines 10 macrocells with electrically erasable Flash memory and a high-performance CMOS implementation. The ATF22V10C-7SC is identified as a 500-gate device with a 7 ns speed designation and a documented propagation delay of 7.5 ns. The family also supports speed options down to 5 ns and offers typical standby power dissipation as low as 10 uA. These characteristics make the device useful where deterministic propagation delay and reconfigurable nonvolatile logic are more important than very large gate counts. The 24-SOIC package provides a standard surface-mount footprint and room for power, ground, input, output, configuration, and control connections. Commercial-grade devices are specified around the nominal 5 V supply, while military and industrial speed ranges use wider 5 V plus or minus 10 percent characterization. The device supports programming and configuration operations suited to small-volume product customization, board revision control, and logic consolidation after discrete gates have been prototyped. Typical applications include interface decoding, control-signal translation, industrial automation modules, test-fixture logic, peripheral glue logic, and small embedded control systems. A designer can use the 10 macrocells to consolidate Boolean equations that would otherwise require several discrete IC packages. The same footprint is also attractive for maintaining a stable PCB across multiple ATF22V10C speed grades or configuration requirements. When laying out the board, place the device close to the signals it drives and route configuration pins away from high-current switching nodes. Confirm the programming algorithm and pin definitions in the Microchip ATF22V10C datasheet before connecting the programmer. Because the ATF22V10C-7SC is a nonvolatile SPLD rather than a processor, the design must define each Boolean equation and macrocell assignment explicitly. This page combines the device architecture, package information, practical programming guidance, parameter comparisons, and same-footprint ATF22V10C alternatives to support faster component evaluation and PCB-focused sourcing decisions.

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ATF22V10C-7XC - 5V 10-Macrocell 7.5ns PLD | Microchip
ATF22V10C-7XC

ATF22V10C-7XC - 5V 10-Macrocell 7.5ns PLD | Microchip

The Microchip Technology ATF22V10C-7XC is a 5 V electrically erasable programmable logic device with 10 macrocells, a 7.5 ns propagation delay, and a 24-pin TSSOP package. The device uses CMOS electrically erasable Flash technology to implement combinational and registered logic in a compact surface-mount package. An electrically erasable programmable logic device, or EEPLD, is a semiconductor that stores a logic configuration in nonvolatile memory. It sits between fixed-function logic ICs and field-programmable gate arrays: unlike a conventional PAL or GAL device with fusible links, the ATF22V10C-7XC can be reprogrammed after its logic pattern has been established. Its 10 macrocells provide up to 500 gates for decoding, control, address mapping, interface conditioning, and other moderate-complexity logic. Key features include a nominal 5 V supply, a 7.5 ns speed grade, 10 user input/output pins, and operation over the commercial temperature range. The 24-pin TSSOP package measures approximately 4.40 mm in body width, making the device suitable for compact PCB layouts where a larger DIP or SOIC package would be inconvenient. Electrically erasable Flash technology also eliminates the one-time programming limitation of fuse-based PLDs. The ATF22V10C family supports multiple product-term configurations and operating modes for combinational, registered, complex combinatorial, and output-register functions. Its architecture is designed as a superset of the generic 22V10 architecture, supporting migration from compatible 24-pin combinatorial PLDs. The selected -7XC configuration provides a practical balance between operating speed and timing margin in 5 V digital control systems. Typical applications include industrial control interfaces, peripheral decoding, bus arbitration, legacy bus adapters, keyboard or display controllers, and compact embedded control systems. It is particularly useful when a design needs several decode equations and registered outputs but does not justify the complexity, cost, or static power of a larger FPGA or microcontroller. PCB design should preserve the device's supply and ground distribution, provide standard decoupling close to the power pins, and account for the 5 V operating requirement. Designers should also validate every programmed function and output state against the logic equations before releasing a production design. A programmable device changes configuration, not the PCB routing rules or the electrical limits of its package. This page combines the device's core operating specifications, programming and pinout guidance, drop-in replacement considerations, application guidance, and practical PCB design notes to support faster engineering evaluation.

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ATF2500C-20GM - 24 Macrocell 5V CPLD, 40-CerDIP | Microchip
ATF2500C-20GM

ATF2500C-20GM - 24 Macrocell 5V CPLD, 40-CerDIP | Microchip

The Microchip ATF2500C-20GM is a high-performance, high-density, electrically-erasable Complex Programmable Logic Device (CPLD) delivering 2,500 gates with 24 macrocells and 48 flip-flops in a 40-pin ceramic DIP (CerDIP) through-hole package. It operates from a single 5 V supply with a maximum pin-to-pin propagation delay of 20 ns, and is rated across -55 C to +125 C for high-stress embedded and industrial environments. What is a CPLD? A Complex Programmable Logic Device is a non-volatile, electrically-erasable programmable logic IC that sits between simple legacy PLDs (PAL/GAL) and larger FPGAs in the programmable logic taxonomy (PLD -> CPLD -> FPGA -> programmable logic -> semiconductor). CPLDs offer deterministic pin-to-pin timing, instant-on behavior, modest logic density, and are typically programmed via JTAG or ISP rather than loaded from external memory, which makes them well-suited for glue logic, bus decoding, state-machine control, and I/O expansion in cost-sensitive designs. Key features of the ATF2500C-20GM include a fully-connected AND-array logic architecture with 416 product terms, individually programmable macrocell output polarity, and two flip-flops per macrocell for sequential logic. The device supports JTAG-based IEEE 1149.1 boundary-scan testing, in-system programmability through the standard Atmel/Microchip tool chain, and is pin-compatible with several Atmel ATV2500 predecessors, easing migration from older designs. The ATF2500C family uses an electrically-erasable CMOS process with a proven cell architecture that delivers high gate utilization and predictable timing. Its 20 ns maximum pin-to-pin delay is adequate for decoder, address-mapping, interrupt-control, and peripheral-interface glue logic, while the EEPROM cells provide >10,000 erase/write cycles and support design iteration during development and field updates. Typical applications include industrial control boards, legacy bus-interface adapters, address decoding for microcontroller-based systems, state-machine controllers for motor drives, and glue logic in telecom, aerospace, and military systems where the -55 C to +125 C rating and ceramic package provide required reliability headroom. When designing with this device, plan JTAG signal integrity carefully, provide clean 5 V decoupling, and validate programming using the supported Atmel/Microchip device programmer chain. The ceramic DIP package supports through-hole assembly and socketed programming during development. This page synthesizes distributor pricing, parametric comparison data, and drop-in compatible alternatives for the ATF2500C-20GM that are not consolidated on a single manufacturer or distributor datasheet page.

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ATF750C-10PC - 10ns 10-Macrocell 24-Pin DIP CPLD | Microchip
ATF750C-10PC

ATF750C-10PC - 10ns 10-Macrocell 24-Pin DIP CPLD | Microchip

The Microchip ATF750C-10PC is a 10-macrocell high-speed CMOS complex programmable logic device (CPLD) in a 24-pin PDIP through-hole package, with a 10 ns propagation delay and 750-gate logic capacity. It supersedes the classic 22V10 footprint family while remaining backward-compatible with the legacy Atmel ATV750/B/L pinout and JEDEC file. A CPLD (Complex Programmable Logic Device) is a non-volatile, electrically erasable logic IC that implements glue logic, state machines, decoder/encoder functions, and bus-interface adaptation between fixed-function silicon blocks. In the broader taxonomy, ATF750C sits at: CPLD -> programmable logic device (PLD) -> logic IC -> integrated circuit -> semiconductor. The 'C' variant uses standard CMOS I/O; the 'CL' suffix denotes a low-power Edge-sensing variant with 1 mA standby current for battery-backed designs. Key features include a 4.75V to 5.25V single-supply operating range, 10 bidirectional user I/O pins, ten flip-flops with macrocell output polarity control, and zero-power CMOS technology with 100 µA typical standby current. The device is specified across commercial 0°C to 70°C ambient temperature and offers in-system programmability via the Atmel/Microchip standard 4-pin IEEE 1149 JTAG interface on JTAG-equipped derivatives. The ATF750C-10PC uses a sum-of-products AND-OR architecture with feedback paths, output enable control, and buried macrocell registers. Compared to a discrete 22V10 design, it doubles the available product terms per macrocell and adds JEDEC-file compatibility with industry-standard 22V10 tools, simplifying conversion of older PLD designs. Its 10 ns pin-to-pin delay is suitable for decoder, address-mapping, and interrupt-controller tasks rather than high-speed datapath work. Typical applications include 22V10 replacement in legacy glue-logic designs, address decoding and chip-select generation in 8-bit and 16-bit microprocessor systems, bus arbitration and wait-state insertion logic, FPGA configuration I/O expansion, and industrial control logic in long-life equipment. The DIP-24 footprint and 5V supply make it convenient for through-hole prototypes and field replacements of obsolete 22V10 sockets. When designing with this device, plan for a 5V regulated supply and reserve one 0.1 µF decoupling capacitor per VCC pin pair. The 'PC' suffix indicates a commercial-temperature PDIP package - if the application requires industrial temperature range, choose the 'PI' variant; if surface-mount is needed, choose the 'SC' (SOIC-24) variant. Verify timing with the Atmel/Microchip WinCUPL or compatible third-party toolchain rather than relying on legacy datasheet delays. This page synthesizes distributor pricing tiers, drop-in same-package alternatives, application guidance and practical design notes not collected in any single manufacturer document, helping engineers evaluate the ATF750C-10PC against modern CPLD options.

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ATM90E36A-AU - 3-Phase Energy Metering AFE, 48-TQFP | Microchip
ATM90E36A-AU

ATM90E36A-AU - 3-Phase Energy Metering AFE, 48-TQFP | Microchip

The Microchip (formerly Atmel) ATM90E36A-AU is a high-performance, poly-phase energy metering analog front-end (AFE) IC designed for three-phase four-wire (3P4W, Y0) and three-phase three-wire (3P3W, Y or Δ) systems, supplied in a 48-pin TQFP (7x7 mm) package. It integrates seven input channels (three voltage, four current) and provides active, reactive, and apparent energy computation with 0.1% accuracy over a wide dynamic range of 1000:1. The device operates from a 3.3V analog/digital supply with 1.8V internal logic support. An energy metering AFE (analog front-end) is a mixed-signal IC that combines sigma-delta ADCs, anti-aliasing filters, a DSP-based measurement engine, and digital calibration blocks. AFEs sit between current transformers / shunt resistors / voltage dividers and a host microcontroller, converting the analog line signals into computed energy quantities, RMS values, THD, and phase angles. Within the broader hierarchy, an energy metering AFE belongs to power management ICs and is typically classified as a data acquisition / signal chain IC in industrial metering subsystems. Key features include a built-in digital signal processor (DSP) for on-chip computation of mean active/reactive/apparent power, RMS voltage and current, power factor, line frequency, and harmonic distortion (THD) up to the 21st order. The IC exposes three configurable CF (calibration frequency) pulse outputs for active/reactive/apparent energy, plus three zero-crossing detection pins (ZX0/ZX1/ZX2) and three interrupt/warning outputs (IRQ0, IRQ1, WarnOut). Communication to the host MCU is via an SPI/UART selectable serial interface at up to 4 Mbps. Architecturally, the ATM90E36A-AU uses simultaneous sampling 16-bit second-order sigma-delta ADCs per channel with integrated digital integrators, eliminating the need for an external analog anti-aliasing filter on each current channel. On-chip temperature compensation and per-phase gain/phase calibration registers allow meter class 0.5S / 1.0 accuracy. The -AU suffix indicates the industrial temperature grade (-40C to +85C). Typical applications include three-phase smart electricity meters, sub-metering in solar PV and energy storage inverters, EV charging station billing, data acquisition terminals, power quality monitors, and industrial three-phase motor energy dashboards. The wide 1000:1 dynamic range also supports both CT-based and Rogowski-coil current sensors. The TQFP-48 footprint suits both through-hole-friendly reflow designs and retrofit metering modules. When designing with this part, pay attention to the SPI/UART mode selection pin and ensure the host MCU firmware matches the configured baud rate or clock polarity; mismatch is the most common bring-up issue. Decouple AVDD/DVDD with low-ESR 10uF plus 100nF ceramic pairs and provide a clean analog ground island to achieve the rated accuracy at low currents. This page synthesizes distributor pricing, drop-in package alternatives, and practical calibration notes not found in the bare manufacturer datasheet, with cross-references verified against the M90E36A datasheet revision and Microchip product family page.

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ATMEGA103-6AC - 8-Bit AVR MCU, 6MHz, 128KB Flash | Microchip
ATMEGA103-6AC

ATMEGA103-6AC - 8-Bit AVR MCU, 6MHz, 128KB Flash | Microchip

The Microchip Technology ATMEGA103-6AC is an 8-bit AVR enhanced RISC microcontroller with 128KB of In-System Programmable Flash (64K x 16), operating at up to 6 MHz from a 5V supply, housed in a 64-pin TQFP (14 x 14 mm) package. A microcontroller is a single-chip computer that integrates a processor core, program memory, data memory, and peripherals such as timers, UART, and analog-to-digital converters onto one die. In the embedded systems hierarchy, the AVR ATmega family sits within the broader class of 8-bit microcontrollers, competing with architectures such as Microchip PIC, 8051, and Freescale HC08. The AVR architecture uses a Harvard structure with most instructions executing in a single clock cycle, giving high code efficiency and MIPS-per-MHz. Key features of the ATMEGA103-6AC include 121 powerful instructions (most single-cycle), 128KB of In-System Reprogrammable Flash, 4KB of internal SRAM, and 4KB of EEPROM for non-volatile data storage. The 6 MHz speed grade with a 5V supply targets cost-sensitive commercial-temperature applications where maximum performance is not required. The large 128KB Flash makes it suitable for firmware-heavy applications such as protocol stacks and menu-driven HMI code. Technically, the ATmega103 uses an AVR enhanced RISC core with 32 general-purpose working registers directly connected to the ALU, allowing two independent registers to be accessed in one instruction executed in one clock cycle. This delivers throughput approaching 1 MIPS per MHz. Peripherals typically include an 8-channel 10-bit ADC, multiple timer/counters with PWM, UART for serial communication, and SPI for synchronous serial interfacing. Typical applications include industrial control panels, building automation nodes, battery-backed instrumentation, and legacy embedded products whose firmware was designed around the ATmega103 memory map and pinout. Design consideration: the 5V-only supply and 6 MHz limit mean new designs should normally select the pin-compatible ATmega128 family, which runs to 16 MHz with richer peripherals while sharing the 64-TQFP footprint. This page synthesizes distributor pricing, verified drop-in alternatives such as the ATmega128 series, and practical sourcing notes not found in the manufacturer datasheet.

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ATMEGA103-6AI - 8-Bit AVR MCU, 6MHz, 128KB Flash | Microchip
ATMEGA103-6AI

ATMEGA103-6AI - 8-Bit AVR MCU, 6MHz, 128KB Flash | Microchip

The Microchip Technology ATMEGA103-6AI (originally Atmel) is an 8-bit AVR enhanced RISC microcontroller delivering 6 MHz maximum clock speed, 128 KB of in-system programmable Flash (64K x 16 organization), and 4 KB SRAM plus 4 KB EEPROM, housed in a 64-pin TQFP (14x14 mm) package operating from a 5V supply. An AVR microcontroller is a class of 8-bit Harvard-architecture MCUs in which program memory and data memory occupy separate address spaces, allowing most instructions to execute in a single clock cycle. Within the power-management hierarchy, the ATmega103 sits in the high-memory general-purpose microcontroller tier, sitting above the ATmega603 (64 KB Flash) sibling and pre-dating the pin-compatible ATmega128. Key features include the AVR enhanced RISC core with 121 powerful instructions (most single-cycle), 128 KB in-system reprogrammable Flash, 4 KB internal SRAM, 4 KB EEPROM, an 8-channel 10-bit ADC, UART, SPI, and a wide -40C to +85C industrial operating temperature range denoted by the 'I' suffix in the part number. The 6 MHz speed grade ('6') covers 5V operation. Architecturally, the ATmega103 uses a low-power CMOS process with a fast-access RISC register file of 32 general-purpose 8-bit registers directly connected to the ALU, enabling single-cycle execution that yields throughput of roughly 6 MIPS at 6 MHz. Nonvolatile memory is organized for in-system reprogramming via SPI, and the memory map includes external memory expansion capability. Typical applications include legacy industrial control systems, building automation controllers, instrumentation, and embedded products designed in the late 1990s and early 2000s that still require AVR compatibility at the 128 KB memory point. Design consideration: because this is a 5V-only part with a 6 MHz ceiling, new designs should evaluate the pin-compatible, higher-performance ATmega128 family instead; ATmega103-mode compatibility is retained in the ATmega128 via an M103C fuse. This page consolidates distributor pricing, drop-in alternative cross-references, and practical migration design notes not found together on the manufacturer datasheet.

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ATMEGA103L-4AC - 8-Bit AVR MCU 4MHz 128KB TQFP-64 | Microchip
ATMEGA103L-4AC

ATMEGA103L-4AC - 8-Bit AVR MCU 4MHz 128KB TQFP-64 | Microchip

The Microchip Technology (Atmel) ATMEGA103L-4AC is a low-power CMOS 8-bit microcontroller based on the AVR enhanced RISC architecture, delivering up to 4 MHz operation at 2.7 V to 5.5 V with 128 KB of in-system programmable Flash, 4 KB of SRAM, and 64 KB of optional external memory addressing, housed in a 64-pin TQFP (14x14 mm) package. An 8-bit AVR microcontroller is a single-chip processor that executes most instructions in a single clock cycle using a Harvard-architecture RISC core with 32 general-purpose working registers. Within the system hierarchy, the MCU sits at the heart of an embedded system: flash memory stores program code, SRAM holds runtime variables, and integrated peripherals (UARTs, SPI, timers) interface with sensors and actuators, making a discrete CPU-plus-peripherals chipset unnecessary. Key features of the ATMEGA103L-4AC include 128 KB (64K x 16) of In-System Programmable (ISP) Flash, dual USARTs for serial communication, an SPI serial interface, two 8-bit and two 16-bit timers/counters with PWM outputs, and an 8-channel external interrupt capability. The AVR core's single-cycle instruction execution yields up to 4 MIPS at the 4 MHz maximum clock rating of this L-suffix (2.7 V to 5.5 V) commercial-grade device. Architecturally, the ATmega103 separates instruction and data buses, allowing fast register-to-register operations and efficient C-code compilation. External memory expansion (up to 64 KB) is supported through the multiplexed address/data bus on Ports A and C with WR/RD strobes on Port G, enabling designs requiring large data buffers. Typical applications include legacy industrial control panels, battery-powered instruments, building automation nodes, and embedded systems where the 4 MHz low-voltage rating supports long-battery-life or noise-limited 3.3 V designs. Design consideration: this part is end-of-life per distributor status data, so new designs should target the ATmega128 family, and existing boards should secure remaining stock or qualify a drop-in variant before replenishment runs out. This page adds value beyond the manufacturer datasheet by consolidating drop-in alternatives, lifecycle status, pricing context, and practical design notes in one engineer-facing reference.

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ATMEGA103L-4AI - 8-Bit AVR MCU 128KB 4MHz TQFP-64 | Microchip
ATMEGA103L-4AI

ATMEGA103L-4AI - 8-Bit AVR MCU 128KB 4MHz TQFP-64 | Microchip

The Microchip Technology ATMEGA103L-4AI is an 8-bit AVR enhanced RISC microcontroller executing up to 4 MHz with 128KB (64K x 16) of in-system programmable FLASH and 4KB of SRAM, housed in a 64-pin TQFP (14x14 mm) package for industrial temperature ranges. An 8-bit AVR microcontroller is a single-chip processor built on the AVR enhanced RISC architecture, in which most of its powerful instructions execute in a single clock cycle. In the embedded-systems hierarchy it sits as the central processing element of a board, above discrete logic and below 32-bit application processors, and belongs to the broader family of microcontroller units (MCUs) that integrate program memory, data memory, timers, and communication peripherals on one die. Key features of the ATMEGA103L-4AI include 121 powerful instructions with mostly single-clock-cycle execution, 128K bytes of in-system reprogrammable FLASH program memory, and serial programming interfaces. The L suffix denotes the low-voltage variant, while the AI suffix denotes the industrial temperature grade supplied in the 64-lead thin quad flat package (TQFP-64). Architecturally, the device uses a Harvard-structure AVR core with separate program and data buses, allowing one instruction to be fetched while another is decoded and executed, which sustains throughput approaching 1 MIPS per MHz of clock. On-chip peripherals include an 8-channel 10-bit ADC, two 8-bit and two 16-bit timers with PWM, an SPI serial port, and a UART, providing complete system control in a single chip. Typical applications include legacy industrial control boards, instrument front panels, building automation nodes, and communication equipment controllers. The low-voltage operation suits 3.3V systems, while the industrial temperature range supports factory-floor environments where consumer-grade parts cannot survive. A key design consideration is that this part is mature/obsolete for new designs; engineers starting new boards should evaluate the pin-compatible ATmega128 family, which offers an ATmega103 compatibility mode and higher clock speeds. Verify FLASH endurance and programming-tool support before committing to new production. This page synthesizes distributor availability data, drop-in alternative analysis, and practical design notes not found in the manufacturer datasheet, with pricing referenced as of 2026-09-15.

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ATMEGA128-16AC - 8-bit AVR MCU 16MHz 128KB Flash | Microchip
ATMEGA128-16AC

ATMEGA128-16AC - 8-bit AVR MCU 16MHz 128KB Flash | Microchip

The Microchip Technology ATMEGA128-16AC is a low-power 8-bit AVR microcontroller with 128KB in-system programmable Flash, 16MHz maximum clock frequency, and 4KB SRAM, housed in a 64-pin TQFP (14x14 mm) package. An 8-bit microcontroller is an integrated circuit that contains a processor core, memory, and programmable input/output peripherals on a single chip, executing control and data-processing tasks in embedded systems. Within the product hierarchy, the ATmega128 sits in the AVR ATmega family of enhanced RISC MCUs, which belongs to the broader class of general-purpose microcontrollers within semiconductor-based embedded processing. The AVR architecture executes most instructions in a single clock cycle, achieving throughput approaching 1 MIPS per MHz. Key features of the ATMEGA128-16AC include 133 powerful AVR instructions with mostly single-cycle execution, 32 general-purpose working registers, 128KB of ISP Flash with 10,000 write-cycle endurance, 4KB EEPROM rated for 100,000 write cycles, and a rich peripheral set: two 8-bit and two 16-bit timers with PWM, two USARTs, SPI, TWI (I2C-compatible), an 8-channel 10-bit ADC, analog comparator, watchdog timer, and JTAG boundary-scan/on-chip-debug support. Architecturally, the AVR uses a Harvard structure with separate program and data buses, allowing simultaneous Flash instruction fetch and data access. In-system programmability permits firmware updates after board assembly, and the boot Flash section supports self-programming for field upgrades. Typical applications include industrial control and automation nodes, embedded instrumentation and test equipment, motor-control and power-supervision systems, and legacy embedded designs requiring extended 128KB program memory with 5V-tolerant I/O. When designing with this part, remember the -16AC is the commercial temperature grade (0C to +70C); select the -16AI industrial grade for -40C to +85C environments, and budget for a 4.5V to 5.5V supply since 16MHz operation is not supported at 3.3V. This page synthesizes distributor pricing, drop-in alternatives, complete 64-pin pinout data, and practical design notes not found in the manufacturer datasheet alone.

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ATMEGA128-16AI - 8-bit AVR MCU 16MHz 128KB Flash | Microchip
ATMEGA128-16AI

ATMEGA128-16AI - 8-bit AVR MCU 16MHz 128KB Flash | Microchip

The Microchip (Atmel) ATMEGA128-16AI is an 8-bit AVR RISC microcontroller with 128KB in-system programmable flash, 4KB SRAM, and 4KB EEPROM, executing up to 16 MIPS at 16MHz in a 64-pin TQFP (14x14 mm) package rated for the industrial temperature range. An 8-bit AVR microcontroller is a Harvard-architecture processor that fetches instructions and data over separate buses, allowing most of its 133 powerful instructions to execute in a single clock cycle. Within the product hierarchy, the ATmega128 sits in the ATmega family of flash-based microcontrollers - below the ATmega1280/1281 mega-AVR devices and above the ATmega64 - and functions as a complete embedded system-on-chip integrating CPU, memory, timers, communication peripherals, and an ADC. Key features include 128KB of self-programmable flash with a boot loader section, dual USARTs, SPI, TWI (I2C), an 8-channel 10-bit ADC, two 8-bit and two 16-bit timers with PWM, and an on-chip JTAG interface for boundary-scan and on-chip debugging. The device operates from 4.5V to 5.5V at 16MHz (per the -16 speed grade), delivering deterministic single-cycle execution without pipelining penalties. Architecturally, the ATmega128 combines 32 general-purpose working registers directly connected to the ALU, enabling true single-cycle arithmetic in one clock. XMEM interface support expands external memory addressing up to 64KB, useful for data-logging and legacy 8051-style designs migrating to AVR. Power management includes six sleep modes, allowing current consumption optimization from active operation down to microamp levels in power-down. Typical applications include industrial control and factory automation nodes, legacy ATmega103 PCB upgrades (the ATmega128 is 100% pin compatible with the ATmega103), embedded instrumentation, motor control panels, and building automation controllers where a mature, well-documented 5V MCU simplifies design. Design consideration: the -16 grade requires 4.5V to 5.5V operation; for 3.3V systems use the 8MHz ATmega128L variant instead, and budget JTAG pin sharing (PF4-PF7) when planning ADC channel allocation. This page synthesizes distributor pricing context, drop-in alternatives, pin-level design notes, and comparison data not found in a single manufacturer datasheet.

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ATMEGA128-16AJ - 16MHz 128KB 8-Bit AVR MCU | Microchip
ATMEGA128-16AJ

ATMEGA128-16AJ - 16MHz 128KB 8-Bit AVR MCU | Microchip

The Microchip Technology ATMEGA128-16AJ is an 8-bit AVR RISC microcontroller operating at 16 MHz, with 128 KB of programmable flash memory, 4 KB SRAM, and 4 KB EEPROM in a 64-pin TQFP package. It combines an 8-channel 10-bit ADC, JTAG debugging, and serial peripherals for embedded control systems. A microcontroller is a programmable integrated circuit that executes firmware, reads inputs, controls outputs, and manages embedded-system functions. This ATmega device belongs to the AVR family of 8-bit RISC microcontrollers, combining flash-backed program storage, SRAM, EEPROM, timers, serial communications, and analog conversion. Its architecture is designed for compact control, measurement, communication, and automation products. Verified product information identifies a 16 MHz AVR core, 128 KB flash memory, 4 KB SRAM, and 4 KB EEPROM. The ATMEGA128-16AJ also provides an 8-channel 10-bit ADC and JTAG interface. Its 64-TQFP package exposes the device's I/O and communication resources while supporting surface-mount PCB assembly. The AVR core provides an 8-bit processing platform with an instruction set designed for efficient embedded control. Program storage is 128 KB, while the 4 KB SRAM supports working variables and application state. The 4 KB EEPROM provides nonvolatile storage for parameters, calibration data, configuration values, and other information that must survive power removal. Typical applications include industrial controllers, building automation equipment, data-acquisition modules, motor and relay-control systems, communication equipment, and embedded instruments. The 10-bit ADC is suitable for analog sensor interfaces, while the JTAG interface supports hardware-assisted programming and debugging workflows. The exact peripheral availability and electrical limits should be confirmed against the manufacturer datasheet before design release. Designers should preserve the required power, decoupling, clock, programming, and JTAG connections, and should account for the 64-pin TQFP footprint and exposed ground requirements. The exact operating-voltage range, pin names, electrical timing values, and package-specific details are not present in the supplied verified data and are marked as needed below rather than inferred.

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ATMEGA128-16AN - 8-Bit AVR MCU 128KB 16MHz TQFP-64 | Microchip
ATMEGA128-16AN

ATMEGA128-16AN - 8-Bit AVR MCU 128KB 16MHz TQFP-64 | Microchip

The Microchip Technology ATMEGA128-16AN is an 8-bit AVR RISC microcontroller delivering up to 16 MIPS throughput at 16 MHz, with 128 KB of In-System Programmable FLASH, 4 KB SRAM, and 4 KB EEPROM, housed in a 64-pin TQFP (14x14 mm) package. It operates from 4.5V to 5.5V and supports on-chip JTAG debugging. An 8-bit AVR microcontroller is a single-chip processor built on the AVR enhanced RISC architecture, in which most of the 131 instructions execute in a single clock cycle. Within the system hierarchy, the microcontroller sits between simple logic ICs and application processors, integrating CPU, program memory, data memory, timers, and communication peripherals into one device for embedded control tasks. Key features include 53 general-purpose I/O lines, 32 general-purpose working registers, four flexible timers/counters with compare modes and PWM, and an 8-channel 10-bit A/D converter. Dual USARTs, a byte-oriented Two-Wire Interface (I2C-compatible), and a hardware SPI port provide multi-protocol connectivity for sensors, displays, and industrial networks. Technically, the fully static core sustains performance from DC to 16 MHz, while the Read-While-Write FLASH allows code updates during operation. An RTC with separate oscillator, JTAG boundary-scan, and an ATmega103 compatibility mode (via the M103C fuse) simplify legacy design migration. This version is rated at 16 MHz at 4.5-5.5V with a -40C to +85C industrial temperature rating. Typical applications include industrial automation control panels, HVAC and building-management systems, battery-monitoring instrumentation, and motor-control nodes using the PWM channels. Design consideration: for lowest power consumption in idle and power-down modes, configure unused I/O pins as inputs with internal pull-ups and use the power-reduction registers to clock-gate unused peripherals. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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ATMEGA128-16ANR - 8-Bit AVR MCU 128KB 16MHz TQFP-64 | Microchip (Tape & Reel)
ATMEGA128-16ANR

ATMEGA128-16ANR - 8-Bit AVR MCU 128KB 16MHz TQFP-64 | Microchip (Tape & Reel)

The Microchip Technology ATMEGA128-16ANR is an 8-bit AVR RISC microcontroller delivering up to 16 MIPS throughput at 16 MHz, with 128 KB of In-System Programmable FLASH, 4 KB SRAM, and 4 KB EEPROM, housed in a 64-pin TQFP (14x14 mm) package. It operates from 4.5V to 5.5V and supports on-chip JTAG debugging. An 8-bit AVR microcontroller is a single-chip processor built on the AVR enhanced RISC architecture, in which most of the 131 instructions execute in a single clock cycle. Within the system hierarchy, the microcontroller sits between simple logic ICs and application processors, integrating CPU, program memory, data memory, timers, and communication peripherals into one device for embedded control tasks. Key features include 53 general-purpose I/O lines, 32 general-purpose working registers, four flexible timers/counters with compare modes and PWM, and an 8-channel 10-bit A/D converter. Dual USARTs, a byte-oriented Two-Wire Interface (I2C-compatible), and a hardware SPI port provide multi-protocol connectivity for sensors, displays, and industrial networks. Technically, the fully static core sustains performance from DC to 16 MHz, while the Read-While-Write FLASH allows code updates during operation. An RTC with separate oscillator, JTAG boundary-scan, and an ATmega103 compatibility mode (via the M103C fuse) simplify legacy design migration. This version is rated at 16 MHz at 4.5-5.5V with a -40C to +85C industrial temperature rating. Typical applications include industrial automation control panels, HVAC and building-management systems, battery-monitoring instrumentation, and motor-control nodes using the PWM channels. Design consideration: for lowest power consumption in idle and power-down modes, configure unused I/O pins as inputs with internal pull-ups and use the power-reduction registers to clock-gate unused peripherals. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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ATMEGA128-16AU - 8-Bit AVR MCU, 128KB Flash, 16MHz | Microchip
ATMEGA128-16AU

ATMEGA128-16AU - 8-Bit AVR MCU, 128KB Flash, 16MHz | Microchip

The Microchip Technology ATMEGA128-16AU is a high-performance, low-power 8-bit AVR RISC microcontroller with 128KB of In-System Programmable Flash, 4KB SRAM, 4KB EEPROM, an 8-channel 10-bit ADC, and a JTAG interface for on-chip debugging, delivered in a 64-pin TQFP (14x14 mm) package operating at up to 16 MHz. An 8-bit AVR microcontroller is a single-chip processor built on the AVR enhanced RISC architecture, in which most instructions execute in a single clock cycle. Within the power-management and embedded-control hierarchy, it functions as the central computing element of a system, replacing discrete logic and analog control circuitry while offering flash-based field reprogrammability. Key features include 128KB self-programmable Flash with a boot section for in-application programming, 4KB internal SRAM, 4KB EEPROM for non-volatile parameter storage, and throughput approaching 16 MIPS at 16 MHz, allowing designers to optimize power consumption versus processing speed. Technically, the ATmega128 combines an 8-channel 10-bit A/D converter with an external-memory interface (up to 64KB external data space via PORTA/PORTC multiplexed addressing), two 8-bit and two 16-bit timers with PWM outputs, two USARTs, SPI, and a Two-Wire Interface, plus a JTAG boundary-scan and debug port. The AVR Harvard architecture with 32 general-purpose registers enables efficient C-compiled code execution. Typical applications include industrial control and automation nodes, general embedded systems, data loggers, and legacy ATmega103 upgrades, since the ATmega128 is 100% pin compatible with ATmega103 and can replace it on existing PCBs. A key design consideration is supply voltage: the 16 MHz -16AU speed grade requires 4.5V to 5.5V operation; the ATmega128L variant is needed for 2.7V-5.5V low-voltage designs. Provide decoupling capacitors on all VCC/AVCC pins and use the internal RC or external crystal clock option accordingly. This page synthesizes distributor pricing, verified drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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