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ATF16V8BQ-10JC - 10ns 8-Macrocell Flash PLD | Microchip
ATF16V8BQ-10JC

ATF16V8BQ-10JC - 10ns 8-Macrocell Flash PLD | Microchip

The Microchip Technology ATF16V8BQ-10JC is an 8-macrocell, 5 V electrically erasable programmable logic device with a 10 ns maximum propagation delay, supplied in a 20-pin PLCC surface-mount package measuring 9 mm by 9 mm. Its flash-programmable architecture provides a practical alternative to mask-programmed PAL devices while allowing logic configurations to be updated without replacing the IC. A programmable logic device, or PLD, is a semiconductor whose internal logic connections can be configured to implement combinational or registered Boolean functions. Within the hierarchy of programmable logic, the ATF16V8BQ belongs to the 16V8 family of simple PLDs. A 16V8 architecture provides eight configurable macrocells, allowing compact implementations of address decoding, control logic, interface translation, and fixed-state logic functions. The principal device characteristics include a 10 ns maximum pin-to-pin delay, eight macrocells, a nominal 5 V supply, and a 20-pin PLCC package. The Q version of the ATF16V8B family is designed around electrically erasable flash memory and includes selectable power-saving operating options. Its commercial-temperature grading and 9 mm by 9 mm PLCC package support applications where compact, re-programmable surface-mount logic is preferred. Internally, the device combines programmable sum-of-products logic with configurable output polarity and feedback paths. This structure permits each macrocell to implement registered or combinational functions. Because configuration is stored electrically in flash memory, the same package can be reused across prototypes, production variants, and field updates without changing the PCB layout. Designers should still account for the fixed 16V8 architecture rather than treating it as a general-purpose microcontroller. Typical uses include industrial control logic, peripheral decoding, data-routing and interface-control circuits, automated test equipment, and legacy PAL replacement. The 10 ns propagation-delay class is useful where combinational outputs must settle quickly, while eight macrocells provide enough logic density for compact control blocks rather than complete processor subsystems. When designing around the ATF16V8BQ-10JC, begin with the manufacturer pin-description table and verify every PLCC orientation, supply connection, and programming-interface signal. Validate worst-case timing at the intended voltage and temperature, and confirm that the programmed equations remain within the macrocell and product-term resources of the 16V8 architecture. This page combines the device specifications, same-footprint replacement options, parameter comparisons, application guidance, and practical design notes needed to evaluate the ATF16V8BQ-10JC before integrating it into a programmable-logic design.

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ATF16V8BQ-10PC - 10ns 8-Macrocell EEPLD | Microchip
ATF16V8BQ-10PC

ATF16V8BQ-10PC - 10ns 8-Macrocell EEPLD | Microchip

The Microchip ATF16V8BQ-10PC is a 5 V electrically erasable programmable logic device with 8 macrocells, up to 16 inputs, 8 outputs, a 10 ns propagation delay, and a 20-pin PDIP package. Its 250-gate CMOS architecture emulates common 20-pin PAL devices and provides a compact solution for fixed-format combinational and sequential logic. A PLD is a user-programmable digital logic device. Within the product hierarchy, an EEPLD is a PLD that uses electrically erasable nonvolatile memory to store its configuration. The ATF16V8B family combines the flexible logic density of an EPLD with the familiar programming environment and package options associated with 20-pin PAL devices. The Q suffix identifies the electrically erasable and erasable-programming architecture described by the manufacturer datasheet. The principal features of the ATF16V8BQ-10PC include 8 macrocells, 250 programmable gates, a maximum 10 ns propagation delay, and operation from a nominal 5 V supply. Each macrocell can implement a substantial product-term function, allowing several related Boolean equations to share a compact package. The device is available in a through-hole PDIP package for applications where through-hole assembly, prototyping access, or generous board spacing is preferred. Its 83 MHz CMOS implementation supports the stated 10 ns speed grade while providing eight macrocell outputs and as many as 16 input functions through the device architecture. Programmed logic remains stored in nonvolatile memory, so the configuration does not require a programmer at every power-up. This makes the device useful for control, decoding, address translation, interface adaptation, and compact sequential-logic blocks that do not justify a larger programmable logic device. Typical uses include industrial control logic, legacy peripheral interfaces, instrumentation signal routing, test fixtures, and compact embedded control boards. The ATF16V8BQ-10PC is particularly appropriate when an existing 20-pin PAL footprint must be retained while gaining electrically erasable reprogrammability and a 10 ns speed grade. PCB design should preserve the standard 20-pin PDIP footprint, route the clock and output-enable signals away from sensitive inputs, and connect power and ground pins according to the manufacturer pin-description table. Validate the programmed equations, timing, and unused-pin states in hardware before production release. This page combines the ATF16V8BQ-10PC electrical identity, package details, compatible family alternatives, comparison data, and practical implementation guidance in a format designed for rapid engineering selection and sourcing.

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ATF16V8C-5JC - 5ns 16V8 EECMOS PLD | Microchip Technology
ATF16V8C-5JC

ATF16V8C-5JC - 5ns 16V8 EECMOS PLD | Microchip Technology

The Microchip Technology ATF16V8C-5JC is a 5 ns 16V8-family EECMOS programmable logic device with 8 macrocells, electrically erasable Flash-memory configuration, and a 20-pin PLCC surface-mount package. It operates from a 5 V supply and combines eight configurable outputs with up to 64 product terms. The -5 speed grade provides a maximum pin-to-pin delay of 5 ns, while the -J suffix identifies the PLCC package and the -C suffix identifies commercial temperature operation according to distributor listings. A simple programmable logic device is a form of programmable semiconductor that implements fixed or registered logic functions through user-programmed configuration memory. The ATF16V8C belongs to the SPLD hierarchy within programmable logic devices, combining a PAL-like AND/OR logic architecture with electrically erasable nonvolatile configuration. This architecture supports glue logic, control functions, address decoding, interface adaptation, and other designs that historically used multiple discrete logic ICs or PAL devices. Key features include a maximum propagation delay of 5 ns, eight macrocells, eight outputs with eight product terms each, and compatibility with CMOS and TTL logic levels. It emulates many 20-pin PAL devices and can directly replace the 16R8 family and most 20-pin combinatorial PLDs according to the manufacturer datasheet. A pin-controlled power-down option reduces current consumption to as little as 100 µA when the device is not active. The ATF16V8C architecture supports three operating modes selected automatically by software: combinational, complex-product-term, and registered modes. Automatic mode selection allows one device configuration to cover common PAL-style logic requirements while reducing the need to redesign the JEDEC fuse map for each small change. Electrically erasable Flash technology also permits the configuration to be reprogrammed rather than permanently fused. Typical uses include industrial control-interface logic, telecommunications equipment, consumer electronics, peripheral address decoding, and compact control sequencers. The device is especially useful where several gates, counters, decoders, or PAL-compatible equations can be consolidated into one 20-pin PLCC package. A 5 ns maximum pin-to-pin delay also makes it suitable for moderate-speed control and interface paths where fixed logic is preferable to FPGA configuration overhead. When laying out a replacement board, verify the PLCC footprint, pin-1 orientation, supply decoupling, output enable behavior, and programmed macrocell equations. The 5 V supply requirement is a key constraint because the ATF16V8C is not directly interchangeable with 3.3 V PLDs. Designers should also confirm that the legacy device remains supported by the selected programming toolchain and that the proposed logic does not exceed the available input, output, and product-term resources. This product page combines verified manufacturer and distributor information with practical replacement guidance, package constraints, programming considerations, and same-footprint alternatives for engineers evaluating the ATF16V8C-5JC.

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ATF16V8C-5JX - 5ns EECMOS PLD, 8 Macrocells | Microchip
ATF16V8C-5JX

ATF16V8C-5JX - 5ns EECMOS PLD, 8 Macrocells | Microchip

The Microchip ATF16V8C-5JX is a 5 ns EECMOS programmable logic device with 8 macrocells, a 250-gate architecture, and a 20-pin PLCC package. It operates from a 5 V supply and includes an optional pin-controlled power-down function capable of reducing total supply current below 100 uA. The device supports eight outputs, each allocated eight product terms, and provides three software-configurable operating modes for implementing complex combinational logic. An EECMOS PLD is a member of the programmable logic device hierarchy, combining a configurable logic architecture with nonvolatile electrically erasable flash memory. Unlike a fixed-function logic gate array, the ATF16V8C allows the interconnections and registered output behavior to be programmed after manufacture. This family is based on the Atmel-proven EECMOS architecture and is positioned between simple fixed AND-OR logic and larger field-programmable gate arrays. The ATF16V8C incorporates a superset of generic 16R8 architecture, allowing direct replacement for the 16R8 family and most 20-pin combinatorial PLDs. Its 5 ns speed grade supports demanding control logic, while the available 166 MHz maximum operating frequency provides a useful figure for high-speed system timing. An optional power-down input can be assigned to device pin 4; when enabled and asserted, output data and internal logic states are latched and held. The ATF16V8C is specified for operation from 5 V, with industrial and commercial supply tolerances identified in the manufacturer documentation. The available product information identifies a commercial operating range from 0 C to 70 C and a standard-power 5 ns configuration. Its 20-pin PLCC package is suitable for legacy and industrial control systems where ceramic leaded-chip-carrier footprints and programmable logic are established requirements. Typical uses include industrial controller address decoding, state-machine implementation, peripheral interfacing, signal qualification, and compact combinational control networks. The eight-output structure makes the device useful when a design needs several related Boolean functions without occupying a larger FPGA or microcontroller. Designers should verify the programmed architecture, pin 4 power-down assignment, supply tolerance, and timing against the manufacturer datasheet before replacing a PAL or GAL device. PCB layouts must accommodate the PLCC-20 footprint, programming access, and the target system’s power sequencing. This page also consolidates verified pricing, source links, application guidance, and the constrained set of directly comparable drop-in devices.

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ATF16V8C-5XC - 5ns 16V8 Flash PLD | Microchip
ATF16V8C-5XC

ATF16V8C-5XC - 5ns 16V8 Flash PLD | Microchip

The Microchip Technology ATF16V8C-5XC is an 8-macrocell, 16V8 electrically erasable programmable logic device with a 5 ns maximum propagation delay, 5 V supply operation, and a 20-pin TSSOP package. It uses EECMOS electrically erasable Flash memory, supports pin-controlled power-down, and implements registered, combinatorial, or complex-mode logic through programmable architecture. A programmable logic device, or PLD, is a semiconductor whose internal digital logic connections can be configured after manufacture. The ATF16V8C belongs to the simple PLD hierarchy: PLD → simple PLD → electrically erasable PLD → EECMOS Flash PLD. Unlike a mask-programmed PAL or a one-time-programmable fuse device, its Flash configuration can be erased and reprogrammed, simplifying logic updates, prototype corrections, and board rework. The principal features include eight macrocells, eight outputs, eight inputs, a 5 ns maximum pin-to-pin delay, and operation across the 5 V supply range specified by the manufacturer datasheet. The architecture is a superset of generic 16R8 devices and can emulate many 20-pin combinatorial PLDs. Each output is allocated eight product terms, while automatically selected operating modes support registered, combinatorial, and more complex logic functions. The ATF16V8C-5XC uses Atmel's proven electrically erasable Flash memory technology rather than ultraviolet-erasable EPROM. Flash programming supports reusable development cycles, while the low-cost software flow helps simplify device programming. A pin-controlled power-down mode can reduce current when the logic does not need to remain active, although exact current and operating-mode limits must be confirmed in the manufacturer datasheet. Typical uses include industrial control logic, decoding and multiplexing, glue logic, interface conditioning, and other fixed digital functions requiring up to eight outputs and a 5 ns performance class. Its 20-pin TSSOP package is appropriate for compact surface-mount assemblies, but designers should verify land pattern, pin assignment, and signal timing against the official datasheet before layout release. The primary design consideration is that device configuration, setup times, output feedback, OE handling, and power-down behavior must be treated as part of the timing design. The datasheet should be checked for the exact operating mode selected by the programming file, especially when registered outputs or feedback paths are used. PCB design should also provide a stable supply and clean routing for high-speed digital edges. This page consolidates verified manufacturer and distributor information, practical programming and layout guidance, and a parameter comparison of same-package ATF16V8C speed alternatives. It also distinguishes verified facts from fields that require confirmation from the complete datasheet, preventing unverified timing, pinout, and pricing assumptions from being presented as engineering data.

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ATF16V8C-7JC - 7.5ns 16V8 EECMOS PLD | Microchip
ATF16V8C-7JC

ATF16V8C-7JC - 7.5ns 16V8 EECMOS PLD | Microchip

The Microchip Technology ATF16V8C-7JC is a high-performance 16V8 electrically erasable programmable logic device with 8 macrocells, a 7.5 ns propagation delay, and a 20-pin PLCC (9x9 mm) package. It uses EECMOS architecture and electrically erasable flash-memory technology to implement complex combinational or registered logic in a compact standard-power device. A programmable logic device, or PLD, is a semiconductor whose internal logic connections can be configured after manufacture. The ATF16V8C belongs to the broader hierarchy of programmable logic ICs, CPLDs, and digital logic semiconductors. Its 16V8 architecture combines 16 inputs and 8 outputs with eight configurable macrocells. The manufacturer datasheet states that the architecture emulates many 20-pin PAL devices and most 20-pin combinatorial PLDs, making it useful for consolidating several fixed-logic functions into one programmable component. Key device features include a maximum pin-to-pin delay of 5 ns in the broader ATF16V8C family, the 7.5 ns speed grade represented by ATF16V8C-7JC, and an optional pin-controlled power-down function that can reduce total supply current below 100 µA. The device supports CMOS and TTL-compatible interfacing. Speed options extend down to 5 ns, while the ATF16V8C-7JC specifically occupies the 7 ns speed designation associated with the distributor listing. The ATF16V8C uses a superset of generic 16R8 architectures and provides eight product terms per output through its eight macrocells. Software automatically configures the operating mode for combinational, registered, or mixed logic functions. This architecture allows each output to implement equations with multiple product terms while retaining the software-oriented design flow associated with 20-pin PAL-compatible logic. Typical uses include industrial control-interface decoding, address and command decoding, legacy peripheral glue logic, product-term Boolean equations, and timing-sensitive control logic where a 7.5 ns device is preferable to slower general-purpose programmable logic. The electrically erasable memory allows the configuration to be reprogrammed during development or field updates without replacing the device. The principal design consideration is voltage and timing compatibility with the existing board. The manufacturer describes industrial-range operation over 5 V ±10% and commercial-range operation over 5 V ±5%, subject to the relevant speed-grade and temperature qualification. Designers should also confirm whether pin 4 is assigned to the optional power-down function before treating it as an ordinary logic input. This page consolidates verified manufacturer and distributor information, distinguishes verified same-package alternatives from non-drop-in package variants, and adds practical comparison and design guidance that is not presented as raw datasheet specification data.

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ATF16V8C-7JI - 7.5ns 8-Macrocell EE PLD | Microchip
ATF16V8C-7JI

ATF16V8C-7JI - 7.5ns 8-Macrocell EE PLD | Microchip

The Microchip ATF16V8C-7JI is a 5 V electrically erasable programmable logic device (EE PLD) with eight configurable macrocells, a 7.5 ns operating speed, and a 20-pin PLCC J-lead surface-mount package. It uses EECMOS architecture and electrically erasable flash memory to implement registered, complex, or combinational logic while retaining nonvolatile configuration memory. A programmable logic device is a semiconductor that stores user-defined Boolean logic in a nonvolatile configuration structure. The ATF16V8C belongs to the 16V8 SPLD family, combining a 20-pin PAL-compatible architecture with eight macrocells. Each output can allocate eight product terms, and software automatically configures the supported operating modes, allowing the device to implement more complex logic than basic combinational PAL devices. Key characteristics include an industry-standard 16V8 architecture, emulation of many 20-pin PAL devices, low-cost programming tools, CMOS and TTL-compatible interfaces, and a maximum pin-to-pin delay of 5 ns across the supported ATF16V8C speed options. The -7JI grade is identified in distributor data as an industrial-temperature 7.5 ns device. The family also includes a 100 µA pin-controlled power-down option, although the verified excerpt does not confirm that option for every suffix. Technically, the ATF16V8C combines EECMOS processing with nonvolatile flash-based configuration. This supports in-circuit reconfiguration without volatile configuration loss and allows the eight outputs to implement registered or combinational functions. Because the device targets 5 V systems, its input thresholds and output behavior should be checked against the connected CMOS or TTL logic rather than assumed from modern low-voltage devices. Typical applications include industrial control logic, interface decoding, state-machine implementation, glue logic, legacy control-panel logic, and compact combinational or sequential functions where a small PLD is more flexible than a fixed gate array. The 9 mm by 9 mm PLCC package also supports repair and upgrade programs that previously relied on 20-pin PAL devices. Designers should preserve the J-lead land pattern, validate the programmed fuse file against the selected architecture, and confirm input levels, timing, and unused-pin requirements in the manufacturer datasheet. This page combines verified manufacturer and distributor data, drop-in family options, and practical replacement guidance to support legacy PLD design maintenance.

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ATF16V8C-7JU - 7ns 16V8 EECMOS PLD | Microchip
ATF16V8C-7JU

ATF16V8C-7JU - 7ns 16V8 EECMOS PLD | Microchip

Microchip ATF16V8C-7JU is a 16V8 electrically erasable CMOS programmable logic device with 8 macrocells, a 7 ns target speed, and a 20-pin PLCC package measuring 9 x 9 mm. The device is based on EECMOS flash-memory technology, supports in-system reprogramming, and includes a pin-controlled power-down option with 100 µA current in the ATF16V8C family. A programmable logic device, or PLD, is a semiconductor whose internal digital logic is configured after manufacture. The ATF16V8C belongs to the simple PLD family within the broader programmable-logic hierarchy. It provides more integration than a collection of individual gates while avoiding the software and hardware complexity of a field-programmable gate array. Its eight outputs are each allocated eight product terms, enabling combinational logic functions and registered operations to be implemented in one device. Key features include eight macrocells, a 16-input by 8-output organization, EECMOS nonvolatile flash configuration, and a 7 ns speed grade for the ATF16V8C-7JU. The manufacturer describes the ATF16V8C family as a superset of generic 16R8 architectures, allowing direct replacement of the 16R8 family and many 20-pin combinatorial PLDs. Three configurable operating modes support different registered, combinatorial, and mixed logic arrangements. The 20-pin PLCC package provides eight user I/O resources according to the listed device specification while retaining dedicated control functions required for programming and operation. Its ceramic LCC-20 construction is identified in the product listing as ceramic, with a 9 x 9 mm package body. The 58.8 MHz internal-frequency figure and 5 V operating voltage identify the device's speed and supply characteristics, while the 300-gate description expresses its approximate logic capacity. Typical uses include interface control, address decoding, command sequencing, industrial automation, embedded control, and compact glue-logic implementations. Because the configuration is electrically erasable, the same PLD can be reprogrammed during development or manufacturing without relying on a one-time fuse. This is particularly useful when logic behavior evolves after prototype hardware has been laid out. When assigning PCB connections, use the complete pin-description table in the manufacturer datasheet rather than inferring PLCC numbering from a generic 16V8 symbol. Confirm programming voltage, signal levels, clocking requirements, and unused-pin treatment in the same document. PCB layout should preserve the device footprint, provide adequate clearance around the ceramic package, and route programming signals away from sensitive analog or high-speed nets. This page combines the manufacturer's device description, the exact MPN specifications, sourcing status, package details, and practical implementation guidance. It also distinguishes the confirmed 7 ns ATF16V8C-7JU from related slower or differently qualified ATF16V8 devices, helping engineers identify when a true pin-compatible substitution is available and when redesign or requalification is necessary.

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ATF16V8C-7PC - 7.5ns EECMOS 16V8 PLD | Microchip
ATF16V8C-7PC

ATF16V8C-7PC - 7.5ns EECMOS 16V8 PLD | Microchip

The Microchip Technology ATF16V8C-7PC is a high-performance EECMOS programmable logic device with eight macrocells, up to 300 gates, a 7.5 ns propagation delay, and a 20-pin PDIP package. It operates from a 5 V supply and is compatible with CMOS and TTL logic levels. The electrically erasable flash-memory architecture supports reprogramming, while the 16V8 architecture can emulate many 20-pin PAL devices and most 20-pin combinatorial PLDs. A programmable logic device is a semiconductor whose internal logic connections are configured after manufacture. The ATF16V8C belongs to the SPLD and PLD hierarchy, where a small collection of configurable AND and OR logic resources replaces a network of individual gates. Its 16V8 organization provides eight inputs and eight outputs, with each output allocated eight product terms. This makes the device useful for compact combinational control, decoding, multiplexing, and Boolean equation implementation. Key features include a maximum pin-to-pin delay of 7 ns for the 7 ns speed option described by the family documentation, standard-power operation, and a pin-controlled power-down option in configurations that provide the relevant control function. The manufacturer documentation also identifies the device as CMOS and TTL compatible. These characteristics make it useful where deterministic logic timing, legacy PAL pin compatibility, and electrically erasable configuration are more important than the density of an FPGA. The ATF16V8C architecture includes three configurable operating modes selected through programming. This flexibility allows a single device to implement registered, combinatorial, or complex programmable-logic behavior, depending on the design and the selected fuse map. Its EECMOS implementation uses electrically erasable flash memory, avoiding one-time-programmable fuse limitations and allowing the same device type to be used in designs requiring configuration changes. Typical uses include legacy PAL replacement, industrial interface decoding, control-panel logic, address decoding, product-term Boolean functions, and compact glue logic around larger processors. The 20-pin PDIP package is particularly useful for through-hole prototypes, repair assemblies, educational systems, and industrial equipment where a socketed or leaded package simplifies inspection and replacement. Designers should verify the fuse map, power-down configuration, input and output logic levels, timing limits, and unused-pin requirements against the manufacturer datasheet before production release. PC programming can be recognized by some standard 16V8 fuse files, while extended-feature configurations may use a separate fuse format. Component marking and system requirements should therefore be checked against the exact programmed device configuration. This page combines the verified ATF16V8C-7PC specifications, manufacturer datasheet links, distributor availability information, qualified drop-in alternatives, and practical design guidance. It also distinguishes documented electrical facts from attributes that require confirmation from a current distributor or device-specific programming record.

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ATF16V8C-7PI - 7ns 16V8 EECMOS PLD | Microchip
ATF16V8C-7PI

ATF16V8C-7PI - 7ns 16V8 EECMOS PLD | Microchip

The Microchip Technology ATF16V8C-7PI is a 7 ns, 16V8-family EECMOS programmable logic device with eight macrocells, eight outputs, and a 20-pin PDIP package. It operates from a nominal 5 V supply, supports CMOS and TTL-compatible interfacing, and uses electrically erasable Flash memory for nonvolatile configuration. The industrial-temperature suffix identifies it for industrial applications, while the -7 speed designation corresponds to a 7 ns maximum pin-to-pin delay. An EECMOS PLD is a user-programmable digital logic device within the broader semiconductor and logic-IC hierarchy. Its Flash configuration memory allows a design to retain programmed Boolean equations after power removal, avoiding separate EPROM programming equipment. The ATF16V8C architecture implements a superset of generic 16R8 and many 20-pin combinatorial PAL architectures, providing eight product terms per output and flexible registered, combinatorial, and complex-mode configurations. Key features include a 7 ns maximum propagation delay for the -7 grade, eight macrocells, eight I/O outputs, a nominal 5 V operating supply, and low-power pin-controlled shutdown. The family supports operating speeds down to 5 ns, while the -7PI order code represents a 7 ns industrial-temperature option. Flash programmability simplifies in-circuit updates, and the device provides a practical migration path for compact glue-logic implementations formerly handled by multiple 20-pin PAL devices. The ATF16V8C uses EECMOS technology to combine nonvolatile configuration with CMOS-compatible logic. Product terms are automatically distributed among the eight macrocells according to the selected architecture and equations, allowing moderately complex control, decode, interface, and glue-logic functions in one package. CMOS and TTL compatibility simplifies connections to older host buses and peripheral logic, although designers should still verify voltage and timing requirements for every connected device. Typical applications include industrial interface decoding, legacy bus-control logic, address decoding, command multiplexing, alarm and sequencing logic, and compact peripheral adapters. The 20-pin PDIP format is especially useful for prototypes, legacy industrial equipment, and through-hole assemblies where a low-density programmable logic device is preferred over a larger FPGA or microcontroller. Design consideration: programmers should validate the JEDEC fuse state, operating-mode assignments, and AC timing against the actual board loads. Because the ATF16V8C is a fixed-architecture PLD rather than a general-purpose processor, it is most appropriate when the required Boolean equations fit within eight macrocells and eight product terms per output. This page consolidates verified manufacturer and distributor information, package-specific alternatives, pricing availability, pin assignments, and practical selection guidance. It also distinguishes true pin-compatible options from related speed grades that may alter timing margins even when they use the same PDIP footprint.

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ATF16V8C-7SC - 7.5ns EECMOS PLD | Microchip | Logic Control
ATF16V8C-7SC

ATF16V8C-7SC - 7.5ns EECMOS PLD | Microchip | Logic Control

The Microchip Technology ATF16V8C-7SC is a high-performance EECMOS programmable logic device with a 7.5 ns pin-to-pin delay, eight macrocells, and a 20-SOIC package. It combines electrically erasable flash memory with CMOS and TTL-compatible inputs and outputs, making it suitable for implementing combinational and registered control logic in industrial electronic systems. A programmable logic device is a semiconductor whose internal digital functions are configured by stored programming data. In the product hierarchy, the ATF16V8C-7SC is a PLD, a specialized logic IC, and an integrated circuit. Its architecture can emulate many 20-pin PAL devices and most 20-pin combinatorial PLDs, providing a practical way to consolidate several fixed gate functions into one configurable device. Key features include eight macrocells, eight product terms allocated to each output, a 7.5 ns speed grade, and a pin-controlled power-down option that reduces supply current to 100 µA. Inputs and outputs support CMOS and TTL interfacing, while I/O pin-keeper circuitry helps retain input states. The device is specified for a commercial 5 V ±5% supply range, while faster and industrial-grade options are available elsewhere in the ATF16V8C family. The ATF16V8C incorporates a superset of the generic architectures used by the 16R8 family and many 20-pin combinatorial PLDs. Software automatically configures three operating modes, allowing the same physical device to support different registered, combinatorial, and mixed logic organizations. This flexibility makes it useful for legacy PAL replacement and compact control logic consolidation. Typical applications include industrial control interfaces, legacy 20-pin PAL replacement, address decoding, command and status logic, interface control, and fixed-function logic consolidation. The 20-SOIC package supports conventional surface-mount assembly, while electrically erasable flash technology allows a device to be reprogrammed without removing it from the circuit. Designers should verify the exact pinout, programming architecture, supply tolerance, and timing constraints against the manufacturer datasheet before substitution. A speed-grade change can affect system timing even when the package is unchanged, and an industrial-grade replacement may have different operating and qualification requirements. This page consolidates manufacturer specifications, sourcing information, package details, practical engineering guidance, and validated drop-in candidates. It also distinguishes genuine pin-compatible alternatives from slower family members that may require timing review.

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ATF16V8C-7SI - 7.5ns 8-Macrocelle PLD | Microchip Technology
ATF16V8C-7SI

ATF16V8C-7SI - 7.5ns 8-Macrocelle PLD | Microchip Technology

Microchip Technology ATF16V8C-7SI is a 7.5 ns high-performance electrically erasable programmable logic device with eight macrocells, a 300-gate 16V8 architecture, and a 20-SOIC package. It operates from a nominal 5 V supply, supports 5 V ± 10% in the industrial temperature option, and is built on EECMOS electrically erasable flash-memory technology. A programmable logic device, or PLD, implements fixed digital logic functions that are configured in software rather than permanently connected with individual gates. The ATF16V8C family combines an 8-macrocelle architecture with multiple registered and combinational operating modes. Its architecture is a superset of generic 16R8 devices and can directly replace most 20-pin combinatorial PLDs, making it useful for compact control, decoding, address translation, and glue-logic designs. The ATF16V8C-7SI provides a 7.5 ns maximum device speed, 8 macrocells, and approximately 300 gates. It supports a pin-controlled power-down option with 100 µA current. The manufacturer describes the family as CMOS and TTL compatible and identifies speed options down to 5 ns. Eight outputs are each allocated eight product terms, enabling more complex combinational functions than a basic dual-in-line PAL arrangement. The device uses electrically erasable flash-memory technology, allowing its logic configuration to be programmed or erased without a dedicated programmer. Its 16V8 architecture supports complex logic functions configured automatically by software, while the 20-pin SOIC package supports conventional through-hole assembly and PCB compatibility with established 20-pin PLD designs. Typical uses include industrial control and instrumentation, legacy interface decoding, programmable I/O expansion, embedded system address decoding, and compact peripheral-control logic. The ATF16V8C-7SI is especially relevant to brownfield equipment where an existing GAL16V8 or compatible 20-pin combinational PLD footprint must be retained. When replacing an older GAL16V8, verify the configured fuse map, power-down behavior, termination requirements, and output timing. Although ATF16V8C devices are pin-to-pin and JEDEC fusemap compatible with GAL16V8 devices, AC and DC characteristics can contain minor differences that should be checked against the original design requirements. This product record combines the ATF16V8C family architecture, package and speed details, drop-in replacement guidance, and practical design considerations into a focused guide for engineers maintaining or designing around 20-pin erasable programmable logic systems.

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ATF16V8C-7SU - 7ns 16V8 EECMOS PLD | Microchip Technology
ATF16V8C-7SU

ATF16V8C-7SU - 7ns 16V8 EECMOS PLD | Microchip Technology

The Microchip Technology ATF16V8C-7SU is a 7 ns 16V8 EECMOS programmable logic device with eight macrocells, eight user I/Os, and 300 logic gates in a 20-pin SOIC package. It combines electrically erasable Flash memory with pin-controlled power-down capability, making it suitable for compact control, decoding, and combinational logic designs. A programmable logic device, or PLD, is a semiconductor whose internal digital logic is configured for a specific function. The ATF16V8C belongs to the SPLD family, which sits between fixed logic gates and larger FPGAs. Its 16V8 architecture provides a practical way to consolidate multiple gates and combinatorial functions into one reprogrammable component, reducing board area while retaining reusable configuration memory. The ATF16V8C uses Atmel's EECMOS process and electrically erasable Flash technology for nonvolatile, in-circuit reprogramming. According to the manufacturer datasheet, each of the eight outputs is allocated eight product terms. The architecture supports automatic configuration into three operating modes, allowing more complex logic functions than a basic fixed AND-OR array. The ATF16V8C family supports speed grades down to 5 ns, while the ATF16V8C-7SU is identified as a 7 ns industrial-temperature, green-rated variant in the supplied distributor data. An optional pin-controlled power-down function can reduce supply current to less than 100 microamperes. The device also includes pin-keeper circuitry, helping preserve input states when the input buffer is disabled. Typical uses include industrial control logic, interface decoding, state-machine implementation, peripheral glue logic, and compact embedded-control subsystems. Because the ATF16V8C architecture is described as a superset of generic 16R8 and many 20-pin combinatorial PLD architectures, it can simplify logic consolidation when board space and component count are important. Designers should verify the configured fuse map, pin assignments, and power-down use of pin 4 before release. When power-down is enabled, output data and internal logic states are latched and held; otherwise pin 4 may serve as a logic input. This page combines verified manufacturer and distributor data with practical selection guidance, comparison information, and design notes.

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ATF16V8C-7XC - 7ns 16V8 EECMOS PLD | Microchip Technology
ATF16V8C-7XC

ATF16V8C-7XC - 7ns 16V8 EECMOS PLD | Microchip Technology

Microchip Technology ATF16V8C-7XC is a 16V8 high-performance EECMOS programmable logic device with 8 macrocells, 300 gates, and a 7 ns rated speed in a 20-TSSOP package. It uses electrically erasable flash memory for in-circuit reconfiguration and includes a pin-controlled power-down mode with 100 µA current consumption. A programmable logic device, or PLD, is a configurable semiconductor that implements digital logic functions from AND, OR, and related Boolean terms. The ATF16V8C belongs to the simple PLD family, where each of its 8 macrocells can support a dedicated output function. This places it between fixed logic gates and larger complex PLDs, providing compact hardware implementation of glue logic, control functions, decoding, and compact state-machine functions. The ATF16V8C architecture emulates many 20-pin PAL devices and most 16R8-family combinational PLDs. Its 16V8 organization provides eight outputs, with each output allocated eight product terms. Three configurable operating modes allow software to implement increasingly complex combinational and registered logic functions. The device is also compatible with CMOS and TTL logic levels, which simplifies integration with mixed digital circuits. ATF16V8C-7XC uses proven electrically erasable flash memory rather than a one-time-programmable fuse structure. Designers can change the programmed configuration without replacing the device, which is useful during prototyping, production revision, or field updates. The manufacturer describes speed options down to 5 ns, while this exact 7 ns ordering code is identified as a commercial-temperature 20-TSSOP variant. Typical uses include address decoding, control-signal generation, interface adaptation, protocol translation, and compact finite-state-machine logic. The ATF16V8C can reduce the number of discrete gates required for glue logic while retaining user-programmable flexibility. A programmer or development system is required to create and download the configuration file before normal operation. Designers should verify the configured operating mode, pin assignment, and power-down polarity in the manufacturer pin description table. Decoupling and signal-integrity practices remain important because an 8 macrocell PLD can still be sensitive to noisy supply rails or poorly controlled clock and asynchronous inputs. The 20-TSSOP footprint is compact but requires careful fanout and thermal assessment. This product page combines the manufacturer architecture description with practical replacement guidance, package information, programming considerations, and verified sourcing references. It is intended to help engineers identify whether the ATF16V8C-7XC architecture, speed grade, temperature class, and 20-TSSOP footprint fit a legacy or new programmable-logic design.

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ATF16V8C-7XU - 7ns 8-Macrocell EECMOS PLD | Microchip
ATF16V8C-7XU

ATF16V8C-7XU - 7ns 8-Macrocell EECMOS PLD | Microchip

The Microchip Technology ATF16V8C-7XU is a 5 V electrically erasable programmable logic device with 8 macrocells, 7.5 ns speed, and a 20-pin TSSOP package. It uses EECMOS flash-memory technology for in-circuit reconfiguration and provides eight outputs, each allocated eight product terms. The ATF16V8C architecture combines three configurable operating modes that support registered, complex, and combinatorial logic, making the device suitable for compact glue-logic and legacy logic replacement designs. A programmable logic device, or PLD, is a semiconductor whose internal logic connections are stored in nonvolatile memory. A PLD sits between fixed-function logic ICs and programmable processors in the broader digital-design hierarchy. EECMOS PLDs retain their programmed configuration when power is removed and can be reprogrammed without a dedicated programmer. The ATF16V8C therefore combines the deterministic propagation delays of conventional PAL-type logic with the flexibility of software-configurable hardware. The ATF16V8C family provides a 5 V input supply, 8 macrocells, and eight product terms per output. According to the manufacturer datasheet, the architecture forms a superset of generic 16R8 devices and most 20-pin combinatorial PLD arrangements. The ATF16V8C-7XU speed grade is specified at 7.5 ns in distributor records, while the broader family supports options down to 5 ns. A pin-controlled power-down option can reduce consumption to approximately 100 uA when the device is not actively required. Three operating configurations allow the same device to implement registered sequential functions, complex combinational functions, or simple combinatorial equations. Each of the eight outputs receives eight dedicated product terms, while the sum-of-products structure supports programmable AND, OR, and inversion relationships. This makes the ATF16V8C useful when several small gates, counters, decoders, selectors, or state-machine transitions must be consolidated into one package. Typical applications include industrial control and instrumentation, legacy peripheral-interface decoding, address and command translation, data-routing logic, and small embedded control systems. The 20-pin TSSOP package supports compact surface-mount PCB layouts, while tube packaging supports automated or manual component handling. Compared with a discrete gate array, the programmable device reduces package count and provides predictable interconnect delays. Compared with an FPGA or microcontroller, it requires less general-purpose computation and typically offers simpler, lower-power logic implementation. Designers should verify the fuse map, pin assignments, and JEDEC compatibility before substituting this device into an existing board. The ATF16V8C supports common 16V8 and GAL16V8-style architectures, but device-specific power-down, AC, and DC characteristics must be checked against the original design. Use the manufacturer programming specification and the pin-description table to assign every package lead correctly. This page combines the ATF16V8C-7XU electrical identity, package details, application guidance, pinout location, and same-footprint replacement analysis in a format designed to help engineers evaluate legacy PLD designs and manufacturing continuity.

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ATF16V8CZ-15JC - 15ns 250-Gate EEPLD | Microchip Technology
ATF16V8CZ-15JC

ATF16V8CZ-15JC - 15ns 250-Gate EEPLD | Microchip Technology

Microchip Technology ATF16V8CZ-15JC is a 250-gate electrically erasable programmable logic device with eight macrocells, up to 16 inputs, eight I/O paths, and a 15 ns propagation delay. The device operates from a 5 V supply and is packaged in a 20-pin PLCC J-lead surface-mount package. Its combination of configurable logic, CMOS-compatible interfacing, and low-power operation suits established control, decoding, and glue-logic designs. An electrically erasable programmable logic device, or EEPLD, is a programmable semiconductor that stores configurable AND/OR-style logic functions in nonvolatile memory. The ATF16V8CZ family belongs to the broader PLD hierarchy and provides a permanent logic implementation without repeatedly programming a microcontroller. It can implement registered or combinatorial functions and replace combinations of discrete gates in compact industrial, telecommunications, and consumer equipment. Key features include eight macrocells, eight outputs with eight product terms per output, support for up to 16 inputs, and 5 V CMOS and TTL-compatible inputs and outputs. The -15 speed grade provides a 15 ns propagation delay. Standby power is low at 25 µA, and zero-power operation is a stated family feature intended to reduce power consumption when the device is not active. The ATF16V8CZ architecture extends the generic 16V8 arrangement and can directly replace 16R8-family devices and many 20-pin combinatorial PLDs. Its configurable operating modes support common combinational and registered logic patterns. Configuration software determines how the input and output resources are assigned, allowing a single PLD architecture to serve multiple control functions while reducing discrete logic count. Typical applications include industrial automation, consumer electronics, telecommunications equipment, address decoding, interface qualification, and small control-logic subsystems. The 20-pin PLCC package supports compact surface-mount assemblies, while its 5 V interface simplifies integration with conventional TTL and CMOS logic families. During PCB design, verify every PLCC pad against the manufacturer pin-description table and preserve adequate copper around the J-leads for soldering and inspection. Confirm the programmed device type, pin polarity, and registered-versus-combinatorial behavior against the original design before replacing an installed ATF16V8CZ-15JC. This product overview combines the ATF16V8CZ family specifications with package details, drop-in replacement guidance, comparison parameters, and practical implementation notes. It is designed to help engineers evaluate timing, logic architecture, interface compatibility, and replacement risk before integrating this programmable logic device into a new or existing board.

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ATF16V8CZ-15PC - 15ns 5V EECMOS SPLD | Microchip Technology
ATF16V8CZ-15PC

ATF16V8CZ-15PC - 15ns 5V EECMOS SPLD | Microchip Technology

The Microchip Technology ATF16V8CZ-15PC is a 5 V, 250-gate electrically erasable programmable logic device with 8 macrocells, up to 16 inputs, 8 I/O outputs, and a 15 ns speed grade in a 20-pin PDIP package. It uses EECMOS electrically erasable Flash technology, allowing the configuration to be reprogrammed without removing the device from the circuit. Maximum pin-to-pin delay reaches 12 ns, while CMOS- and TTL-compatible interfaces support both modern and legacy logic levels. An SPLD is a simple programmable logic device: a single monolithic IC containing AND/OR-style logic structures that are configured by the user for a specific combinational or registered logic function. In the broader semiconductor hierarchy, the ATF16V8CZ-15PC belongs to the programmable-logic family, combines PLD and FPGA attributes in function, and provides a compact alternative to a discrete gate array. Its 8 macrocells can implement multiple logic terms in one package, reducing board area and external component count. Key features include 250 gates of logic capacity, electrically erasable Flash configuration memory, zero-power operation for the ATF16V8CZ family, 8 configurable I/O outputs, and a maximum of 16 input paths. The -15 suffix identifies a 15 ns device grade, and the -PC suffix identifies the commercial-temperature 20-pin PDIP configuration. A 5 microampere typical edge-sensing power-down mode and 25 microampere standby current support low-power system designs. The ATF16V8CZ architecture consolidates several older 20-pin PAL device patterns and supports programmed operating modes selected automatically by development software. The device is suited to glue logic, control decoding, interface adaptation, and legacy product revisions where a compact, reprogrammable fixed-function alternative is preferable to maintaining a full FPGA or microcontroller. Its 20-pin through-hole package also simplifies inspection, prototyping, and hand rework. Typical uses include industrial control interfaces, legacy peripheral adaptation, address decoding, alarm and interlock logic, and compact control subsystems. The electrically erasable architecture is especially useful during development because logic changes do not require new devices or socketed parts. A 5 V supply and 15 ns timing class fit systems that use legacy control buses rather than high-speed modern processor interfaces. When laying out a board, keep the 5 V supply rail and ground return planes low impedance, and route the 20-pin PDIP footprint for straightforward through-hole assembly. Program the device with the manufacturer's logic-development software and verify unused macrocell configurations to prevent outputs from floating. Confirm the commercial operating temperature range against the system enclosure temperature before releasing the production design. This page combines the manufacturer device description with distributor package and speed-grade data, practical PLD design guidance, and a pin-compatible comparison covering three same-footprint alternatives. It also identifies package and electrical details that engineers should confirm against the manufacturer datasheet before schematic release or production procurement.

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ATF16V8CZ-15SC - 15ns 8-Macrocell EEPLD | Microchip
ATF16V8CZ-15SC

ATF16V8CZ-15SC - 15ns 8-Macrocell EEPLD | Microchip

The Microchip Technology ATF16V8CZ-15SC is a 5 V electrically erasable programmable logic device with 250 gates, 8 macrocells, up to 16 inputs, and 8 configurable I/O outputs. It provides a 15 ns propagation-delay grade in a 20-SOIC package, making it suitable for compact CMOS and TTL-compatible control, decoding, and glue-logic designs. An EEPLD is an electrically erasable programmable logic device: a user-programmed logic IC that stores a Boolean function in nonvolatile internal memory. It belongs to the programmable-logic hierarchy, where a PLD sits above individual gate arrays and provides a compact implementation of multiple sum-of-products logic functions. The ATF16V8CZ architecture emulates many 20-pin PAL devices and most 20-pin combinatorial PLDs, simplifying migration from older fixed-logic designs. The ATF16V8CZ uses eight output macrocells, with each output allocated eight product terms. Its architecture supports up to 16 inputs and eight I/O outputs, while its CMOS-compatible inputs and outputs allow operation with both CMOS and TTL logic families. Low-power operation is reinforced by a 25 µA standby-current specification and the family’s zero-power designation, which is useful in systems where inactive logic should not create unnecessary static demand. Three operating modes are selected automatically by the programming software, allowing the same device architecture to implement registered, combinatorial, and complex logic functions. The ATF16V8CZ architecture incorporates a superset of the generic 16R8 architecture and supports direct replacement of the 16R8 family and most 20-pin combinatorial PLDs. This broad compatibility makes it useful for consolidating several small PAL implementations into one device. Typical uses include industrial automation, consumer-equipment control, interface decoding, state-machine implementation, address decoding, and compact automotive control logic. The 15 ns device grade is particularly relevant when the logic path must operate close to the system clock while retaining the simple programming workflow associated with classic GAL16V8 and PAL-compatible devices. Designers should assign each macrocell using the manufacturer’s software and verify the resulting pin assignments against the device programming file. The 20-SOIC package requires adequate board spacing, and unused inputs should be handled according to the datasheet’s stated input rules. The commercial-temperature ordering code should also be checked against the enclosure and system-temperature requirements before deployment.

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ATF22V10B-15JC - 10-Macrocell 15ns EE PLD | Microchip Technology
ATF22V10B-15JC

ATF22V10B-15JC - 10-Macrocell 15ns EE PLD | Microchip Technology

The Microchip Technology ATF22V10B-15JC is a high-performance CMOS electrically erasable programmable logic device (EE PLD) with 10 macrocells, 20 inputs, and 10 outputs, designed for logic implementation in embedded and industrial control systems. The device is speed-rated at 15 ns and operates from a 5 V supply, with the ATF22V10B family supporting speeds down to 7.5 ns and power dissipation as low as 10 mA. It is packaged in a 28-pin PLCC surface-mount package measuring approximately 11.51 mm by 11.51 mm. An electrically erasable PLD is a programmable logic device that stores its configuration in nonvolatile EEPROM or Flash memory and can be reprogrammed in the field. The ATF22V10B belongs to the simple PLD hierarchy, where configurable macrocells implement sum-of-products logic functions. Compared with a fixed gate array or a fully programmable FPGA, this device provides a compact, lower-complexity solution for glue logic, control decoding, state-machine sequencing, and interface conditioning. The ATF22V10B-15JC provides a 15 ns propagation-delay grade, 10 macrocells, 20 input pins, and 10 output pins. Its electrically erasable Flash memory technology supports reprogramming, while the device is manufactured using a high-reliability CMOS process. The family is designed for commercial, industrial, and military temperature options, with speed grades specified over a 5 V plus-or-minus 10 percent supply range for military and industrial grades and 5 V plus-or-minus 5 percent for other applicable grades. The 28-pin PLCC package offers a practical surface-mount alternative to older through-hole PLD packages. Its configuration memory retains programmed logic across power cycles, allowing the device to serve as a standalone logic controller. The registered inputs and outputs provide predictable timing for control logic, and the device's macrocell architecture makes it suitable for designs that require more flexibility than a PAL but less routing and configuration complexity than an FPGA. Typical uses include industrial automation controllers, legacy equipment interfaces, programmable relay logic, instrument control panels, embedded sequencing, and board-level adaptation between fixed digital functions. In these applications, the ATF22V10B-15JC can consolidate multiple gates, counters, decoders, and state-transition logic into one configurable device while reducing the number of separate logic ICs required. When designing around this PLD, verify the power-supply tolerance, output-drive requirements, and timing budget against the system clock. Program the device with the appropriate Atmel or Microchip programming tool, and use the manufacturer pin description and programming guidance when assigning board functions. This page combines device specifications, package details, drop-in alternatives, application guidance, and practical design considerations for engineers maintaining or redesigning legacy programmable-logic boards.

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ATF22V10B-15PC - 10-Macrocell 15 ns Flash PLD | Microchip
ATF22V10B-15PC

ATF22V10B-15PC - 10-Macrocell 15 ns Flash PLD | Microchip

The Microchip ATF22V10B-15PC is a high-performance CMOS electrically erasable programmable logic device with 10 macrocells, a 500-gate-equivalent architecture, and a 15 ns speed grade in a 24-pin PDIP package. It uses reprogrammable Flash technology, operates from a nominal 5 V supply, and combines a 20-year data-retention specification with as many as 100 erase/write cycles. A programmable logic device is a user-programmable semiconductor that replaces several discrete gates, counters, decoders, and state machines with one configurable integrated circuit. The ATF22V10B belongs to the simple PLD hierarchy, where each of its 10 macrocells implements a sum-of-products logic function through configurable AND and OR structures. This places the device below CPLDs and FPGAs in general complexity while providing nonvolatile, field-reprogrammable logic. The ATF22V10B family supports programming speeds down to 7.5 ns, although the ATF22V10B-15PC is the 15 ns grade identified by its part-number suffix. Reported power dissipation can be as low as 10 mA. The device is reprogrammable, is described as 100% tested, and includes 2,000 V ESD protection and 200 mA latchup immunity. These characteristics suit control, decoding, address translation, and legacy interface logic that must retain its configuration when power is removed. The ATF22V10B architecture is organized around 10 PAL-style macrocells. Each macrocell can combine multiple product terms, allowing compact implementations of common combinational and sequential functions. Unlike a mask-programmed PAL device, the electrically erasable Flash configuration permits the same physical device to be reprogrammed during development or field updates. The family also includes military, commercial, and industrial temperature options, with speed ranges characterized across their respective supply conditions. Typical uses include legacy bus-interface decoding, printer and copier control, industrial automation, embedded control-interface translation, and small state machines. Its 24-pin PDIP format is useful for prototypes, legacy motherboard designs, and equipment where socketed or through-hole assembly is preferred. For new high-density or high-speed designs, an FPGA or CPLD may provide more routing flexibility, but the ATF22V10B-15PC remains useful when its 10-macrocell architecture is sufficient. Designers should follow the pin-connection and programming guidance in the manufacturer datasheet, preserve adequate supply decoupling, and account for the 15 ns speed grade when evaluating address-decoder or control-path timing. A conventional 24-pin DIP footprint should not be assumed equivalent to every 24-pin PLD without checking pin functions, power rails, programming interface connections, and output behavior. This page combines device specifications, practical replacement guidance, package-level comparison, and design guidance for engineers evaluating the ATF22V10B-15PC. It also distinguishes directly relevant 24-pin alternatives from related devices whose temperature grade, qualification, speed, or package may prevent a true drop-in substitution.

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ATF22V10B-15SC - 15 ns 10-Macrocell EE PLD | Microchip
ATF22V10B-15SC

ATF22V10B-15SC - 15 ns 10-Macrocell EE PLD | Microchip

The Microchip Technology ATF22V10B-15SC is a 5 V, 15 ns electrically erasable programmable logic device with 10 macrocells in a 24-pin SOIC package. It combines a CMOS PLD with electrically erasable flash-memory technology, making it suitable for compact control, decoding, multiplexing, and fixed-logic implementations. The device is identified as a 22V10-family EE PLD, and the -15 speed grade supports operation up to 15 ns. Its 24-SOIC package measures approximately 0.295 inch, or 7.50 mm, in width and uses surface mounting. An electrically erasable programmable logic device, or EE PLD, is a programmable-logic semiconductor whose configuration is stored in nonvolatile electrically erasable memory. Within the broader hierarchy, an EE PLD is a form of PLD, which belongs to the broader logic-IC and semiconductor families. Unlike a one-time-programmable fuse-based device, electrically erasable technology allows the logic configuration to be erased and reprogrammed during development, production, or field maintenance. This makes the ATF22V10B useful where engineering changes or reusable configurable logic are valuable. The ATF22V10B family supports speed grades down to 7.5 ns, while the ATF22V10B-15SC provides a 15 ns grade. The manufacturer identifies the underlying ATF22V10B as a high-performance electrically erasable CMOS PLD using proven electrically erasable flash-memory technology. The commercial speed range is specified at 5 V ±5%, while military and industrial ranges use the wider 5 V ±10% operating-voltage range. The listed low-power operating point can be as low as 10 mA. With 10 macrocells, the ATF22V10B-15SC implements Boolean logic, state-machine behavior, address decoding, interface conditioning, and control functions without requiring a separate microcontroller. The 15 ns grade favors designs in which deterministic combinational and registered logic is more important than very high I/O throughput. Its nonvolatile configuration also permits field updates without supplying power during storage. Typical uses include industrial control and instrumentation, legacy equipment upgrades, peripheral-interface decoding, programmable switch logic, test fixtures, and small embedded control systems. The ATF22V10B-15SC is particularly suitable when a compact SOIC footprint, electrical reconfiguration, and straightforward fixed-logic implementation are more useful than the software flexibility of a microcontroller or FPGA. Designers should use the manufacturer datasheet pin-description table when assigning PCB signals and confirm operating-voltage, timing, output-drive, and temperature limits against the selected grade. Input and output paths also require normal CMOS decoupling and signal-integrity practices, especially when external signals drive the configurable I/O paths. This page combines the manufacturer device information, lifecycle and package findings, drop-in alternatives, application guidance, and engineering-focused comparisons. It adds practical selection context and design notes while keeping the device-specific facts tied to the manufacturer datasheet and product information.

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ATF22V10C-10JC - 10ns 5V EEPROM PLD | Microchip
ATF22V10C-10JC

ATF22V10C-10JC - 10ns 5V EEPROM PLD | Microchip

The Microchip Technology ATF22V10C-10JC is a 10 ns, 5 V electrically erasable programmable logic device with 10 macrocells and 500 gates, housed in a 28-pin PLCC package measuring 11.51 mm by 11.51 mm. It combines a 22V10-compatible logic architecture with electrically erasable Flash memory for nonvolatile configuration, allowing the implemented Boolean function to be reprogrammed without replacing the device. A programmable logic device is a semiconductor that stores a configured logic function in nonvolatile memory. The ATF22V10C belongs to the PLD family within the broader logic IC and semiconductor hierarchy. Its product-sum-of-products architecture is intended for compact control, decoding, and glue-logic implementations where a small gate count and user-programmable function provide an efficient alternative to a general-purpose microcontroller. The -10JC grade is specified for 10 ns operation from a nominal 5 V supply. The ATF22V10C family offers speed options down to 5 ns and power dissipation as low as 10 µA typical. An integrated latch feature holds inputs at their previous logic states, while electrically erasable Flash technology supports repeated configuration changes during development and system updates. Atmel developed the ATF22V10C using high-performance CMOS electrically erasable Flash technology. Microchip support material identifies the ATF22V10C family as pin-to-pin and JEDEC fusemap compatible with the GAL22V10, providing a practical migration path for designs using that legacy PLD architecture. Exact AC and DC limits must be checked against the manufacturer datasheet for the selected operating range. Typical uses include address decoding, control-signal generation, state-machine sequencing, interface adaptation, and general-purpose fixed logic in industrial control, communications, instrumentation, and embedded systems. Its 10 macrocells provide enough logic density for compact Boolean functions, while the 28-pin PLCC package supports conventional through-hole board construction. For a new design, confirm the required fuse map, supply tolerance, temperature grade, and timing budget before assigning the device. Programming tooling must support the ATF22V10C architecture and the required JEDEC-compatible fuse map. Leave programming-test access and power-discharge paths compatible with the manufacturer reference configuration. This page combines package and performance details, replacement guidance, application-specific engineering guidance, and a parameter comparison to support design selection and legacy-board maintenance. It also distinguishes exact drop-in options from devices that require different packages or timing.

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ATF22V10C-10PC - 10ns Flash EEPLD, 500 Gates | Microchip
ATF22V10C-10PC

ATF22V10C-10PC - 10ns Flash EEPLD, 500 Gates | Microchip

The Microchip Technology ATF22V10C-10PC is a 10 ns, 500-gate electrically erasable programmable logic device with 10 macrocells, 5 V supply operation, and a 24-pin PDIP package. The device combines a reusable CMOS PLD architecture with electrically erasable Flash memory, allowing its logic configuration to be programmed and rewritten rather than permanently fused. An electrically erasable programmable logic device, or EEPLD, is a programmable-logic semiconductor that stores a sum-of-products Boolean configuration in nonvolatile memory. EEPLDs occupy the position between simple fixed-function gate arrays and larger FPGAs. The ATF22V10C family provides a practical way to implement decoding, address mapping, control logic, glue logic, and other modest-complexity digital functions without using a microcontroller or a large configurable logic array. The ATF22V10C-10PC provides a 10 ns access time, 10 macrocells, and an equivalent gate capacity of 500 gates. It operates from a nominal 5 V supply, with the commercial-temperature version rated for a maximum supply voltage of 5.25 V and an operating range from 0°C to 70°C. Flash-based configuration retention supports design revisions without package removal, while typical power dissipation can be as low as 10 µA across the broader ATF22V10C family. The ATF22V10C uses a PAL-style architecture organized around ten macrocells. Product terms, sum-of-products logic, and a registered output path are combined to implement compact combinational or sequential control functions. Device speeds extend down to 5 ns in the family, but the ATF22V10C-10PC is specifically selected for 10 ns operation. A 5 V supply also keeps interface design compatible with conventional 5 V CMOS logic used in older control and instrumentation equipment. Typical applications include industrial control-panel decoding, legacy peripheral-interface adapters, address and interrupt routing, glue-logic consolidation, and small state-machine implementations. Its PDIP package is particularly useful where a through-hole board requires a leaded component and where a modern FPGA package would be unnecessarily small or difficult to inspect and rework. Designers should confirm the JEDEC fuse map, pin assignments, AC timing, and supply tolerances before replacing an older GAL22V10-family device. A DIP socket can simplify prototype changes, but exposed through-hole leads require adequate clearance from adjacent components. Configuration files and programming documentation should also be archived because the same logical design may depend on the device family's supported fuse map and test infrastructure. This product page combines the ATF22V10C technical characteristics with package-specific alternatives, sourcing guidance, and practical considerations for evaluating a 10 ns Flash EEPLD in new or legacy 24-pin PDIP designs.

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ATF22V10C-10PU - 10-Macrocell 5V E2 PLD | Microchip
ATF22V10C-10PU

ATF22V10C-10PU - 10-Macrocell 5V E2 PLD | Microchip

The Microchip Technology ATF22V10C-10PU is a 10-macrocell, electrically erasable programmable logic device operating from a nominal 5 V supply, with a 10 ns speed grade and a 24-pin through-hole PDIP package. It provides 500 programmable gates according to the Mouser product listing and combines CMOS logic with electrically erasable Flash-memory configuration technology. The device is intended for compact control, decoding, address mapping, glue logic, and legacy GAL22V10-compatible designs. A simple programmable logic device is a semiconductor that stores a Boolean function as a configuration rather than implementing that function through fixed gates. The ATF22V10C belongs to the SPLD and PLD hierarchy, where product terms fuse map, macrocell, and erasable Flash configuration describe how each of its 10 logic macrocells implements registered or combinational logic. This makes the device useful as bridge logic between larger processors, FPGAs, memory devices, and industrial or communications systems. Verified product information identifies 10 macrocells, 500 gates, a 5 V supply, a 10 ns speed designation, and a 24-pin PDIP package. The manufacturer datasheet states that the ATF22V10C family reaches speeds down to 5 ns and low typical power dissipation, while the exact ATF22V10C-10PU operating-temperature limits, current consumption, I/O counts, and AC timing values are not supplied in the verified excerpts. Those values must therefore be confirmed in the manufacturer datasheet before a new design is released. The device architecture is appropriate for deterministic control paths, fuse-map decoding, bus-interface qualification, and small state machines. Microchip support identifies the ATF22V10C family as pin-to-pin and JEDEC-fusemap-compatible replacements for GAL22V10 devices when AC and DC behavior is compatible. Because this -10PU variant is a 10 ns speed grade, systems must preserve setup and timing margins rather than treating the number as a universal operating frequency. Typical uses include industrial control, legacy peripheral emulation, address decoding, signal conditioning, test adapters, and compact control logic where 500 gates of programmable integration are sufficient. Mechanically, the PDIP format supports conventional through-hole assembly, prototyping, repair, and legacy boards. Surface-mounted systems should not assume that another ATF22V10C package is interchangeable because package drawings, pin availability, and assembly requirements differ. The main design consideration is configuration compatibility. Confirm the JEDEC fuse map, pin assignments, supply voltage, timing grade, output-drive assumptions, and unused-pin treatment against the exact manufacturer datasheet. A nominal 5 V part should not be assumed suitable for 3.3 V systems without an explicit rail-level specification. For production, validate programming algorithms, erase-and-program behavior, and system timing under worst-case supply and temperature conditions. This page combines verified manufacturer and distributor facts with explicit data gaps, package-aware replacement guidance, comparison parameters, and practical legacy-logic design notes. It is intended to accelerate component identification while preventing unverified electrical or lifecycle assumptions from entering a production BOM.

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