제품 (35282)

ATA6571RT - Radiation-Tolerant CAN FD Transceiver, 5 Mbps | Microchip
ATA6571RT

ATA6571RT - Radiation-Tolerant CAN FD Transceiver, 5 Mbps | Microchip

The Microchip Technology ATA6571RT is a radiation-tolerant, stand-alone high-speed CAN FD transceiver that interfaces a Controller Area Network (CAN) protocol controller and the physical two-wire CAN bus. The device supports data rates up to 5 Mbps in CAN FD mode, operates from a 4.5V to 5.5V supply, and is delivered in a small-footprint SOIC-style package suited to flight hardware. A CAN transceiver is the physical-layer bridge between a microcontroller's CAN protocol controller and the differential two-wire bus. In modern in-vehicle networks (IVN), CAN FD (Flexible Data-rate) extends classic CAN's 1 Mbps ceiling by allowing higher bit rates in the data phase, which is critical for advanced driver-assistance (ADAS) sensors, body controllers and powertrain ECUs. The ATA6571RT is part of the radiation-tolerant (Rad-Tol) product family designed for low-earth-orbit constellations, GEO communications payloads and other space-grade platforms where single-event effects (SEE) and total ionizing dose (TID) must be characterized. Key features include ISO 11898-2 and ISO 11898-5 physical-layer compliance, SAE J2962-2 conformance for radiated/conducted immunity, ±40V bus fault protection, thermal shutdown, and an integrated dominant-timeout watchdog. The bus pins are designed for high DC load-dump resilience and meet the rigorous EMC/ESD requirements common to aerospace and heavy-industrial environments. Architecturally, the device combines a low-EMI driver stage with a wide-bandwidth receiver optimized for the 5 Mbps FD data phase. The radiation-tolerance is achieved through silicon process selection, characterized SEE/TID performance, and per-lot qualification testing documented in the Microchip radiation reports. Typical applications include satellite command/telemetry buses, spacecraft avionics networks, launch-vehicle data acquisition, and radiation-prone industrial controls. The same part can also be designed into high-reliability ground systems where a Rad-Tol part number simplifies parts-control and derating documentation. Design consideration: verify bus termination (typically 120 ohm at each end of the bus), place the device close to the bus connector to minimize stub length, and ensure the VCC pin has a 100 nF + 4.7 uF decoupling network within 5 mm. In space applications, single-event functional interrupt (SEFI) recovery timing must be evaluated against the host MCU's CAN controller timeout window. This page synthesizes distributor availability, drop-in Rad-Tol and standard CAN FD alternatives, and application guidance not collected in the manufacturer brochure alone.

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ATECC608A-MAHDA-T ECC Secure Authentication IC | Microchip
ATECC608A-MAHDA-T

ATECC608A-MAHDA-T ECC Secure Authentication IC | Microchip

The Microchip ATECC608A-MAHDA-T is an ECC secure authentication IC with hardware-based key storage and cryptographic accelerators for authentication, signing, verification, and key agreement. It is configured for I2C communication and is packaged as an 8-pad, 2 x 3 x 0.6 mm thermally enhanced plastic UDFN. The device stores up to 16 keys, certificates, or miscellaneous secure data objects in its EEPROM array. A CryptoAuthentication IC is a specialized security integrated circuit used to protect cryptographic keys and perform security operations without exporting sensitive material to the host processor. The ATECC608A belongs to the Microchip CryptoAuthentication family and combines protected EEPROM with hardware cryptographic accelerators, helping designers implement secure boot, device authentication, anti-counterfeiting, and ecosystem-control functions. The verified component information identifies ECC/ECDSA/ECDHE capability, I2C interface support, and protected storage for up to 16 keys, certificates, or data objects. Hardware-supported asymmetric signing, verification, and key agreement can reduce the software burden on the host MCU while preserving cryptographic material inside the secure device. The exact operating limits, memory-map details, security-certification status, and electrical timing values require confirmation in the manufacturer datasheet. Typical uses include network and IoT endpoint security, secure boot, encrypted message handling, key generation for software downloads, anti-counterfeiting, and secure-element-based product identity. The device is especially suitable when a system needs an I2C-connected hardware security anchor for credentials, device certificates, or firmware authenticity decisions. In a design, place the UDFN close to the host controller and route I2C signals with appropriate pull-up and decoupling arrangements. Follow the manufacturer reference schematic and package land pattern, confirm clock and signal timing, and protect provisioning credentials during manufacturing. Do not assume that software migration or device replacement preserves secrets without validating the new device's provisioning and migration process. This page combines verified distributor identity, package, interface, storage, and cryptographic-use information with practical sourcing and migration context. It intentionally distinguishes confirmed facts from parameters that are not present in the supplied verified data.

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ATECC608B-MAHCZ-S - ECC Secure Element SWI UDFN-8 | Microchip
ATECC608B-MAHCZ-S

ATECC608B-MAHCZ-S - ECC Secure Element SWI UDFN-8 | Microchip

The Microchip Technology ATECC608B-MAHCZ-S is a CryptoAuthentication cryptographic secure element (authentication IC) with ECC/ECDH hardware crypto acceleration, single-wire interface (SWI) communication, and secure hardware-based key storage, housed in an 8-pin UDFN (2x3 mm) surface-mount package. Pricing starts from approximately $1.17 per unit as of 2026-10-12 (LCSC). A secure element is a dedicated cryptographic co-processor that stores secret keys in tamper-resistant hardware, isolated from the main MCU or MPU. Within the power management and system-security hierarchy, it sits alongside microcontrollers and interface ICs, offloading asymmetric cryptography, secure boot validation, and anti-cloning duties that would otherwise expose keys in software. The ATECC608B belongs to Microchip's CryptoAuthentication family, which spans the ATECC508A, ATECC608A, and ATECC608B generations. Key features include NIST-standard P-256 elliptic-curve support for ECDSA sign/verify and ECDH key agreement, hardware SHA-256 hashing and HMAC, up to 16 configurable key storage slots, and an EUI-48/EUI-64 based serial number for device identity. The MAHCZ suffix denotes the SWI (single-wire) communication interface, requiring only a single GPIO pin over a wide voltage range. Technical depth: the device consumes extremely low power, making it well suited to battery-powered IoT endpoints. Its secure hardware key storage prevents key extraction even under sophisticated physical attacks. The ATECC608B provides security enhancements over the ATECC608A while remaining fully backwards compatible in commands, packages, and pinout, per Microchip's migration application note DS40002237A. Typical applications include IoT network endpoint authentication, secure boot firmware validation, anti-cloning protection for consumables and peripherals, and TLS client certificate storage for cloud connectivity in smart-home and industrial devices. Design consideration: choose the MAHCZ (SWI) variant only when a single-GPIO bus is required; the MAHDA variant supports standard I2C up to 1 Mbps. Reserve a GPIO on your MCU for SWI communication and plan provisioning during manufacturing. This page synthesizes distributor pricing, drop-in alternatives, pinout, and practical design notes not found in the manufacturer datasheet, providing unique cross-reference value for engineers and buyers.

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ATECC608B-SSHDA-B - CryptoAuthentication IC, I2C, 8-SOIC | Microchip
ATECC608B-SSHDA-B

ATECC608B-SSHDA-B - CryptoAuthentication IC, I2C, 8-SOIC | Microchip

The Microchip Technology ATECC608B-SSHDA-B is a member of the CryptoAuthentication family of high-security cryptographic devices that combine hardware-based key storage with hardware cryptographic accelerators. Housed in an 8-pin SOIC (3.90 mm) package, it integrates an ECC-P256 engine supporting ECDH and ECDSA, an AES-128 hardware accelerator, SHA-256 hashing, and a hardware random number generator. The device communicates with a host MCU over I2C at up to 1 Mb/s and operates from a 2.0 V to 5.5 V supply across the -40 °C to +85 °C industrial temperature range. A cryptographic co-processor is a dedicated hardware block that offloads mathematically intensive security operations from a microcontroller, isolating private keys inside a tamper-resistant silicon boundary so they never appear in host memory. Within the system hierarchy, the ATECC608B sits at the secure-element layer above general-purpose MCUs, complementing TLS software stacks with hardware root-of-trust primitives. Microchip's CryptoAuthLib software library abstracts I2C transactions so designers can issue sign/verify, key agreement, and AES-GCM commands with a few function calls. Key features include protected storage for up to 16 keys/certificates/data slots, FIPS186-3 ECDSA sign/verify at P-256, NIST SP800-56A ECDH key agreement, AES-128-GCM/ECB encryption/decryption, monotonic counters, and secure boot validation hooks. Each slot has configurable access permissions and can be locked permanently, making the device a turnkey root-of-trust for IoT endpoint authentication, anti-counterfeiting, and IP protection. The internal architecture pairs a secure EEPROM key store with hardware accelerators for ECDSA, ECDH, AES-128, and SHA-256, all fronted by a true random number generator (TRNG) that meets NIST SP800-22 guidelines. Internal voltage and tamper monitors can zeroize keys on detected glitches, while GPIO with optional secure signal assertions enable host MCU wake-up or LED feedback during provisioning. Typical applications include IoT node authentication, secure boot validation for Linux/MCU firmware, accessory and consumable anti-cloning, TLS handshake acceleration, message encryption with AES-GCM, and IP/feature enablement for licensed products. Designers add the ATECC608B to existing designs via a 2-wire I2C bus, requiring only VCC, GND, SDA, and SCL pull-ups. When designing with this device, allocate a unique 7-bit I2C address (factory default is 0x60) and respect the GPIO default-state behavior at power-up. Use Microchip's CryptoAuthLib and the AT88CK590 kit for provisioning and follow the migration guide AN5078 if upgrading from ATECC608A.

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ATECC608B-SSHDA-T - CryptoAuthentication IC, SOIC-8 | Microchip
ATECC608B-SSHDA-T

ATECC608B-SSHDA-T - CryptoAuthentication IC, SOIC-8 | Microchip

The Microchip Technology ATECC608B-SSHDA-T is a member of the CryptoAuthentication™ family of high-security cryptographic devices that combine world-class hardware-based key storage with hardware cryptographic accelerators. It is offered in an 8-pin SOIC package with I²C interface, supports ECC-P256 (ECDH and ECDSA), SHA-256, AES-128-GCM, and provides a hardware random number generator (NIST SP 800-22 compliant) plus a monotonic counter. The device integrates 10Kb secure EEPROM for keys, certificates, and data, with built-in tamper resistance including voltage glitch and temperature tamper detection. What is a CryptoAuthentication IC? A CryptoAuthentication IC is a specialized secure element that offloads cryptographic operations from the main microcontroller and protects private keys in hardware-isolated storage. These devices sit at the foundation of the security hierarchy: CryptoAuthentication IC → secure element → hardware root-of-trust → embedded security subsystem. Unlike software-based cryptography, hardware secure elements ensure private keys never leave the silicon, dramatically reducing attack surface for IoT devices, network accessories, and edge nodes where MCU resources are limited but trust is non-negotiable. The ATECC608B features a full ECDH/ECDSA engine operating in approximately 13 ms for sign operations and SHA-256/HMAC hardware acceleration, dramatically reducing cryptographic workload on host MCUs. It supports standard I²C up to 1 Mbps with configurable I²C addresses, an optional single-wire interface (SWI) variant, and operates from 2.0V to 5.5V supply with deep-sleep current as low as <150 nA. Internal EEPROM is locked through one-way fuses, preventing post-deployment firmware or key extraction by physical or remote attacks. Typical applications include Matter/Thread device authentication, secure boot for Linux/Windows IoT edge nodes, AWS IoT multi-account registration, IP protection and firmware anti-cloning, accessory and consumable authentication (medical, industrial, printer cartridges), and TLS 1.2/1.3 mutual authentication offload for resource-constrained MCUs. The device ships with Microchip's CryptoAuthLib, which provides a unified API across the entire CryptoAuthentication family. When designing with the ATECC608B, ensure I²C pull-ups are present (the SOIC version uses standard I²C, not SWI), allocate a dedicated 7-bit I²C address, and provision keys via the Microchip CryptoEvaluation kit during development. The GPIO pin can be used as a power-on reset indicator or wake source. Migration from ATECC608A is software-compatible via CryptoAuthLib. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not consolidated in the manufacturer datasheet alone.

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ATF1502AS-10AU44 - 32-Macrocell 5V ISP CPLD, 10ns, TQFP-44 | Microchip
ATF1502AS-10AU44

ATF1502AS-10AU44 - 32-Macrocell 5V ISP CPLD, 10ns, TQFP-44 | Microchip

The Microchip ATF1502AS-10AU44 is a 5V, 32-macrocell in-system programmable (ISP) Complex Programmable Logic Device (CPLD) housed in a 44-pin TQFP package, offering 10 ns pin-to-pin propagation delay and up to 36 usable inputs/I/Os in a 750-gate density footprint. Built on electrically-erasable (E2PROM) non-volatile memory technology, the ATF1502AS-10AU44 retains its configuration without external storage and supports field re-programmability through a standard 4-pin JTAG interface. A CPLD (Complex Programmable Logic Device) is a non-volatile programmable logic device that combines multiple PAL-like macrocells, a centralized AND array, and a programmable interconnect on a single chip. In the system hierarchy, CPLDs sit between discrete 74-series glue logic and more complex FPGAs; they are deterministic, run from power-up with zero configuration latency, and provide predictable timing for decoder, bus-interface, and control tasks. The ATF1502AS family targets 5V legacy system designs where modern 3.3V FPGAs are not compliant with the input voltage rails. Key differentiating features of the ATF1502AS-10AU44 include 32 macrocells, up to 32 bidirectional I/O pins plus 4 dedicated input pins, an enhanced routing switch matrix that improves usable gate count, pin-to-pin propagation delay of 10 ns, system frequency up to 100 MHz, and zero-power standby support. The device offers fast in-system programming (ISP) via JTAG, allowing firmware revision updates without removing the part from the board. Power supply operates from 4.5V to 5.5V with typical I/O 5V tolerance. The ATF1502AS-10AU44 is pin-compatible with industry-standard 44-pin TQFP CPLDs and slots into legacy footprints where migration from older Atmel and third-party 32-macrocell CPLDs is required. The enhanced routing switch matrix increases the odds of successful pin-locked design modifications compared to first-generation CPLD architectures. Typical applications include 5V bus interface bridging, address decoding for legacy microcontrollers, glue logic replacement in industrial controllers, I/O expansion for 8-bit and 16-bit MCUs, and power-on sequencing logic in mixed-voltage systems. The 5V-tolerant I/Os allow direct connection to TTL/CMOS logic without external level shifters. For designers, the most critical design tip is to budget adequate decoupling (100 nF X7R plus 10 uF bulk) right at the VCC pins, because CPLD outputs can drive simultaneous switching edges that inject supply noise. Designers should also confirm that any migrated 3.3V firmware does not violate the 5.5V absolute-maximum VCCIO rating during in-circuit programming. This page consolidates distributor pricing, verified same-package drop-in alternatives, and applied design notes not found in the standalone manufacturer datasheet, helping engineers accelerate 5V CPLD selection and sourcing decisions.

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ATF1504ASL-25AU44 - 64 Macrocells, 25ns, 5V ISP CPLD | Microchip
ATF1504ASL25AU44

ATF1504ASL-25AU44 - 64 Macrocells, 25ns, 5V ISP CPLD | Microchip

The Microchip Technology ATF1504ASL-25AU44 is a 5V, high-performance, In-System Programmable (ISP) Complex Programmable Logic Device (CPLD) from the ATF15xx family, delivering 64 macrocells in a 44-pin TQFP (10x10 mm) surface-mount package. It offers 1.5K equivalent gates, a maximum propagation delay of 25 ns (tPD), and 32 user I/O pins, operating from a single 4.5 V to 5.5 V supply across the industrial -40 C to +85 C temperature range. A CPLD (Complex Programmable Logic Device) is a non-volatile, reprogrammable digital logic IC that combines the instant-on, deterministic timing of PAL/GAL architectures with denser logic capacity, sitting in the programmable logic hierarchy between simple SPLDs and larger FPGAs. CPLDs typically contain multiple PAL-like macrocell arrays interconnected by a central switch matrix, and the ATF15xx family in particular uses 5 V-tolerant EEPROM cells that retain configuration without a separate boot memory, enabling ISP via JTAG (IEEE 1149.1). Key features of the ATF1504ASL-25AU44 include 64 macrocells organized into four logic array blocks, four dedicated input pins, 32 bidirectional I/O pins, a JTAG/IEEE 1149.1 boundary-scan and ISP interface, and a minimum of 10,000 program/erase cycles. The device's 25 ns tPD translates to a usable internal toggle frequency around 50 MHz in registered logic, and its pin-locked timing is deterministic - a key advantage over SRAM-based FPGAs in glue-logic, bus-interface, and state-machine roles. Architecturally, the part uses a non-volatile EEPROM process that gives true zero-power standby with no boot delay, an industrial-grade operating voltage range (4.5 V to 5.5 V), and built-in boundary scan plus ISP that lets designers program, erase, and re-program the device on a populated PCB through standard 4-wire JTAG. Compared with older Atmel ATF1504 AS parts, the ASL suffix adds lower power consumption per macrocell, supporting higher integration at legacy 5 V rails. Typical applications include industrial control glue logic, address decoding and bus interfacing in 5 V microcontroller systems, I/O expansion and pin-count recovery, FPGA configuration loading, and legacy replacement for discrete 74-series glue logic. It is widely used where deterministic propagation delay, instant-on behavior, and ISP capability on a 5 V rail are required. When designing with this part, ensure the 5 V supply rail is well decoupled (typically 0.1 uF ceramic plus 10 uF bulk near each VCC pin) and follow standard JTAG chain guidelines for ISP. Compared with SRAM-based FPGAs, no external configuration memory is required, but the 64-macrocell limit should be respected for fan-in and product-term budgeting. This page synthesizes distributor pricing (as of 2026-10-07), verified drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet, giving a faster engineering decision path for the ATF1504ASL-25AU44.

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ATF1504ASL-25AU44 - 64-Macrocell 5V ISP CPLD, 25ns | Microchip
ATF1504ASL-25AU44

ATF1504ASL-25AU44 - 64-Macrocell 5V ISP CPLD, 25ns | Microchip

The Microchip Technology ATF1504ASL-25AU44 is a 64-macrocell, in-system programmable (ISP) complex programmable logic device (CPLD) with a 25 ns propagation delay and 60 MHz maximum clock frequency, housed in a 44-pin TQFP package. It operates from a single 4.5 V to 5.5 V supply and provides 32 inputs/I/Os (68 user I/O pins per the device datasheet summary), 64 registers, and 64 macrocells in a low-power "L" process variant. A complex programmable logic device (CPLD) is a non-volatile, electrically erasable digital logic IC that integrates multiple PAL-like macrocell arrays on a single die, with a programmable AND/OR interconnect fabric in between. CPLDs sit between simple SPLD/GAL devices and larger FPGAs in the programmable-logic hierarchy, and are used for glue logic, bus interfacing, state-machine decoding, and high-density combinatorial replacement where deterministic timing and instant-on behavior are required. The ATF15xx series in particular is a 5 V legacy family known for ISP and high pin-keeper drive strength. Key features of this part include 25 ns pin-to-pin propagation delay (tPD), 60 MHz maximum operating frequency, a minimum of 10,000 program/erase cycles, JTAG-based IEEE 1149.1 boundary-scan and ISP, pin-keeper circuits on inputs and I/Os, and programmable power management for low-power macrocell operation. The "L" suffix denotes the lower-power process option; "A" denotes the standard 44-pin TQFP package; "U44" specifies a green / Pb-free TQFP-44 package. The device is built on Microchip/Atmel's proven electrically-erasable (EE) technology, which gives non-volatile storage of the user logic - the part functions at power-up with no external configuration PROM. Architecturally, the four logic blocks each contain 16 macrocells feeding a connected global interconnect, with per-pin output enable, slew-rate, and pin-keeper options set during programming. Typical applications include 5 V bus interface and voltage-translation logic, address decoding and chip-select generation in legacy microprocessor systems, industrial control glue logic, state-machine replacement for discrete 74xx logic, and instant-on control logic in motor drives and instrumentation. The wide 5V nature tolerance and industrial -40C to +85C temperature range also suit harsh environment controllers. When designing with this device, ensure the JTAG chain order is maintained if multiple ATF1504ASL devices share TCK/TMS/TDI, and add a 0.1 uF decoupling capacitor near each VCC pin. The ISP programming voltage is generated internally, so no external 12 V programmer supply is required. Power sequencing is straightforward due to the non-volatile configuration. This page synthesizes Microchip product-page data, distributor pricing from DigiKey/Mouser, and engineering guidance for the ATF1504ASL family - information not found in the standalone datasheet.

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ATF16V8B-10JC - 10ns 8-Macrocell EEPLD | Microchip Technology
ATF16V8B-10JC

ATF16V8B-10JC - 10ns 8-Macrocell EEPLD | Microchip Technology

Microchip Technology ATF16V8B-10JC is a 5 V electrically erasable programmable logic device (EEPLD) with 8 macrocells, 16 inputs, 8 I/O outputs, 250 gates, and a 10 ns propagation delay in a 20-pin PLCC (9x9) surface-mount package. It implements industry-standard 20-pin PAL-compatible architectures and supports complex combinational or registered logic without replacing the device after each configuration change. An EEPLD is a programmable-logic IC that stores its logic configuration in electrically erasable nonvolatile memory. Within the product hierarchy, an EEPLD is a simple PLD, a type of programmable-logic device and a semiconductor. Its practical advantage over a fuse-programmed PAL is field programmability: the ATF16V8B family can be configured and reprogrammed, making it suitable for prototypes, legacy product refreshes, and small control systems whose logic requirements may evolve. Key features include a 10 ns speed grade, eight macrocells with eight product terms per output, and three operating modes selected automatically by software. The manufacturer describes the device as a 250-gate, standard-power, green-package part with a 5 V supply. It emulates many 20-pin PAL devices and most 20-pin combinatorial PLDs, reducing the need for a redesign when consolidating older programmable-logic implementations. The ATF16V8B architecture supports flexible input and output assignments through its fuse map. Unlike a general-purpose microcontroller, the part executes only the Boolean equations placed into its macrocells, so its behavior is deterministic and does not require a clock when configured for combinational operation. Registered configurations can add sequential logic while retaining the compact 20-pin footprint and simple programming workflow. Typical uses include industrial automation, interface decoding, control-panel logic, telecommunications infrastructure, and consumer-equipment glue logic. The part is especially relevant to systems that previously used 20-pin PALs or simple GAL devices. Engineers should preserve the exact fuse map and verify package pin orientation during replacement, since logic configuration compatibility is as important as electrical and pin compatibility. The main design consideration is that a drop-in package does not guarantee identical behavior after programming. The replacement device must use a compatible JEDEC fuse map, and any pin-preset configuration, registered-logic mode, power-up behavior, and unused-pin treatment must be checked against the original design. This page combines verified manufacturer and distributor information with practical selection and replacement guidance.

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ATF16V8B-10JI - 250-Gate 10 ns Flash PLD | Microchip
ATF16V8B-10JI

ATF16V8B-10JI - 250-Gate 10 ns Flash PLD | Microchip

Microchip ATF16V8B-10JI is a 250-gate, electrically erasable programmable logic device with 8 macrocells, 16 inputs, 8 configurable I/Os, a 10 ns propagation delay, and a 5 V supply. The device is supplied in a 20-lead J-lead PLCC (QCCJ) surface-mount package measuring 9 x 9 mm and graded for industrial-temperature applications. An EEPLD is a programmable logic device that uses nonvolatile electrically erasable Flash memory to retain a configured logic function. Within the broader semiconductor hierarchy, the ATF16V8B belongs to the PLD and CPLD family, combining a PAL-compatible 16V8 architecture with eight output macrocells. It is intended for compact control, decoding, interface, and glue-logic designs where a small logic footprint and nonvolatile configuration are valuable. Key features include support for up to 16 inputs, eight configurable I/O outputs, and eight product terms allocated to each output. Three operating modes are selected automatically by the configuration software, allowing the device to implement registered, complex, or combinatorial logic without manual mode-control wiring. The electrically erasable architecture permits reprogramming while the individual architecture includes standard power-saving options for systems that do not require continuous maximum performance. The ATF16V8B architecture provides a superset of generic 16V8 and common 20-pin combinatorial PLD arrangements. Each of its eight outputs can be assigned eight product terms, supporting compact equations that combine multiple input conditions in one programmable block. The 10 ns speed grade is suitable for moderate-speed control logic, while the underlying family is also described as offering a maximum pin-to-pin delay of 7.5 ns under specified test conditions. Typical uses include legacy peripheral decoding, industrial control sequencing, status and interrupt logic, programmable address selection, and glue logic around microcontrollers or processors. Because the ATF16V8B is a 5 V device, it should be evaluated carefully in modern mixed-voltage systems where 3.3 V or 1.8 V interfacing may require level translation. Its J-lead PLCC package also occupies more board area than a comparable fine-pitch surface-mount PLD. When laying out a replacement design, preserve the exact pin assignments and programming architecture of the installed ATF16V8B-10JI. Confirm power sequencing, output drive requirements, unused-pin treatment, and the commercial programming algorithm supported by the selected device programmer. The industrial-temperature suffix must also remain consistent with the original bill of materials and qualification requirements. This product record combines verified manufacturer and distributor information with application guidance, package details, and drop-in substitution criteria that are not consolidated in a single manufacturer datasheet. It emphasizes verified constraints such as the 5 V supply, 10 ns speed grade, 8-macrocell architecture, and 20-lead PLCC footprint so engineers can compare replacements without confusing functionally similar devices with pin-compatible alternatives.

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ATF16V8B-10PC - Programmable Logic Device | Atmel
ATF16V8B-10PC

ATF16V8B-10PC - Programmable Logic Device | Atmel

The Atmel ATF16V8B-10PC is a programmable logic device identified by the ATF16V8B family name and the -10PC ordering suffix. The verified product-page retrieval supplied for this MPN contains no manufacturer specifications, package details, electrical ratings, pricing, or lifecycle statement, so those values cannot be stated reliably on this page. The ATF16V8B designation is associated with the Atmel ATF16V8B family of simple programmable logic devices, but the exact device configuration, pin assignments, and commercial ordering data require confirmation from the original manufacturer documentation. A programmable logic device is a digital semiconductor used to implement fixed or configurable Boolean logic functions. These devices occupy a position between basic logic gates and programmable logic arrays in the broader integrated-circuit hierarchy. Unlike a microcontroller, a conventional programmable logic device generally does not execute application software; instead, its internal programmable connections are configured to realize a logic function such as decoding, gating, counting, multiplexing, or control sequencing. The ATF16V8B family is commonly associated with classic PLD-style architectures, while the precise architecture of this exact ordering code is not documented in the supplied retrieval. The -10 suffix in many Atmel ordering codes identifies a speed grade, and PC denotes the ordering package or temperature-related code in many device families. Those conventions cannot be applied to ATF16V8B-10PC without verification because the supplied search result did not expose a datasheet or product table. The same restriction applies to supply voltage, I/O type, output current, operating temperature, propagation delay, programming interface, memory technology, and package dimensions. Those values are intentionally left as data requests in the specifications table rather than inferred from similarly named parts. ATF16V8B-10PC may be considered for legacy digital control, industrial interface, glue-logic, and embedded system designs where a compact PLD can replace multiple fixed gates or older programmable devices. Before placing it in new production equipment, engineers should confirm availability, lifecycle status, programming-tool support, electrical compatibility, and the exact pinout. A modern MCU or FPGA should be considered when field programmability, extensive serial interfaces, larger logic capacity, or a supported software toolchain is required. The most important design step is to obtain the original ATF16V8B datasheet and compare its package drawing, programming architecture, and electrical limits with the PCB footprint. The supplied data does not identify whether the package uses PLCC, ceramic DIP, or another mechanical format, and no pinout can therefore be published safely. Likewise, existing board replacement is possible only after comparing every power, ground, input, output, clock, and programming pin rather than relying on the family name alone. This page distinguishes confirmed identity from missing technical evidence and does not convert unresolved parameters into assumptions. It also provides selection questions, sourcing guidance, and qualification criteria that help engineers determine whether ATF16V8B-10PC remains appropriate for a legacy design. The most reliable next step is to request the manufacturer datasheet, current distributor record, programming specification, and lifecycle notice for the exact MPN before committing a new production run.

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ATF16V8B-10PI - 10 ns 16V8 EEPLD | Microchip Technology
ATF16V8B-10PI

ATF16V8B-10PI - 10 ns 16V8 EEPLD | Microchip Technology

The Microchip Technology ATF16V8B-10PI is a 10 ns, 5 V electrically erasable programmable logic device with 250 gates, 8 macrocells, up to 16 inputs, and 8 configurable I/O outputs, housed in a 20-pin PDIP package. It is designed for industrial-temperature applications requiring configurable combinational or registered logic in a compact, electrically reprogrammable architecture. An electrically erasable programmable logic device, or EEPLD, is a semiconductor that stores its configured logic in nonvolatile memory. The ATF16V8B belongs to the broader PLD hierarchy: EEPLD > programmable logic device > digital logic IC. Its electrically erasable architecture permits the device to be reprogrammed during development, simplifying logic changes without manufacturing a new mask or using one-time-programmable fuse technology. The ATF16V8B-10PI provides a 10 ns propagation delay, 250-gate logic capacity, 8 macrocells, and up to 16 inputs with 8 configurable I/O outputs. Each of the eight outputs can be assigned eight product terms. Three operating modes are selected automatically by programming software, allowing the same device to implement simple combinational functions or more complex registered logic while preserving a conventional 20-pin PAL-style interface. Technically, the device uses high-performance CMOS circuitry and electrically erasable Flash-memory technology rather than one-time-programmable fuses. The architecture is a superset of generic 16R8 devices and can directly replace many 20-pin combinatorial PLDs. The 20-pin PDIP package, with 7.62 mm lead spacing, supports conventional through-hole PCB assembly and is appropriate for legacy industrial control, interface decoding, and embedded logic designs where surface-mount packages are unnecessary. Typical uses include industrial control interfaces, legacy peripheral decoding, address and command translation, custom combinational logic, and small registered control functions. Its reprogrammability is particularly useful during prototyping, system bring-up, and maintenance revisions. For new high-volume designs, however, engineers should evaluate whether a microcontroller, a current CPLD, or a small FPGA offers better software flexibility and longer-term sourcing. When designing around the ATF16V8B-10PI, account for the 5 V supply requirement, confirm that the selected GAL-style fuse map or device architecture matches the programmed equations, and validate all unused I/O states. Because the part is a legacy through-hole PLD, supply continuity, programming-tool support, and second-source availability deserve verification before committing to a production design. This page consolidates verified manufacturer and distributor information, same-package replacement candidates, pricing status, pin mapping, and practical design guidance. It also distinguishes genuine drop-in device options from functional alternatives, helping engineers assess legacy support without relying on raw catalog listings alone.

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ATF16V8B-10SC - 10ns 250-Gate EEPLD | Microchip
ATF16V8B-10SC

ATF16V8B-10SC - 10ns 250-Gate EEPLD | Microchip

The Microchip Technology ATF16V8B-10SC is a 250-gate electrically erasable programmable logic device with eight macrocells, up to 16 inputs, eight I/Os, and a 10 ns speed grade in a 20-pin SOIC package. It operates from a 5 V supply and provides a surface-mount implementation of the ATF16V8B architecture. An electrically erasable programmable logic device, or EEPLD, is a semiconductor that stores a defined Boolean logic configuration in nonvolatile erasable memory. The ATF16V8B family belongs to the broader hierarchy of PLD, programmable logic IC, logic IC, and integrated circuit categories. Its architecture supports combinatorial and registered logic functions, making it useful when fixed Boolean control logic can replace multiple discrete gates. Three headline characteristics define this device: eight macrocells provide the programmable logic capacity, the 10 ns grade supports higher-speed operation than slower PAL-compatible grades, and the 20-pin SOIC package supports compact surface-mount assembly. The family-level product information identifies a standard-power 5 V device with a green package, up to 16 inputs, and eight I/Os. The ATF16V8B architecture is designed to supersede generic 16R8 and many 20-pin combinatorial PLD arrangements. Each output can receive multiple product terms, while configurable operating modes provide flexibility for registered, combinatorial, and complex logic implementations. The family documentation also identifies compatibility with established GAL16V8-style pin and fuse-map conventions, allowing engineers to evaluate it as a migration option for older programmable logic devices. Typical uses include industrial control logic, interface decoding, sequencing, signal conditioning, and compact embedded systems that require a small number of deterministic Boolean functions. The ATF16V8B-10SC is particularly appropriate where a surface-mount 20-pin package, 10 ns timing grade, and electrically erasable configuration are preferable to a one-time-programmable PAL device. Designers should verify the exact fuse map, pin assignment, timing limits, supply tolerances, and programming-device support against the manufacturer datasheet before replacing an installed GAL16V8 or PAL device. PCB layout must also preserve the specified SOIC-20 footprint and suitable power and ground distribution. This product page consolidates the verified manufacturer and distributor information, compares compatible ATF16V8-family candidates, and highlights programming and replacement considerations that are not apparent from a distributor category listing alone.

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ATF16V8B-10SI - 10ns 250-Gate Erasable PLD | Microchip
ATF16V8B-10SI

ATF16V8B-10SI - 10ns 250-Gate Erasable PLD | Microchip

The Microchip ATF16V8B-10SI is a 10 ns, electrically erasable programmable logic device in a 20-SOIC package. It provides 250 gates, up to 16 inputs, 8 I/Os, and 8 macrocells for compact combinational logic implementations. The device operates from a 5 V supply in the standard-power Green package and is identified by the industrial-temperature ordering code. Its electrically erasable architecture supports device reprogramming without UV erasure, while its macrocell structure accommodates the generic 16R8 architecture and many 20-pin combinatorial PLDs. According to the manufacturer ATF16V8B datasheet, each output is allocated eight product terms and three operating modes are selected automatically by software. These characteristics make the ATF16V8B-10SI useful for legacy interface control, decoder, address translation, glue logic, and industrial automation functions where a compact, programmable 5 V logic solution is preferred over a larger FPGA. The 10 ns speed grade supports applications requiring deterministic combinational propagation, although final system timing must also account for interconnect delay, setup time, hold time, and peripheral timing. The ATF16V8B family is documented as pin-to-pin and JEDEC fusemap compatible with suitable GAL16V8 devices, which simplifies migration when a programmed GAL device is being replaced. The ATF16V8B-10SI is suitable for legacy control systems, factory automation, embedded equipment, and compact interface adapters. Design engineers should preserve the GAL16V8 fusemap and verify programming-tool support, power timing, and unused-pin behavior against the manufacturer datasheet before production release.

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ATF16V8B-15JC - 15ns 8-Macrocell EEPLD | Microchip Technology
ATF16V8B-15JC

ATF16V8B-15JC - 15ns 8-Macrocell EEPLD | Microchip Technology

The Microchip Technology ATF16V8B-15JC is a 15 ns, 8-macrocell electrically erasable programmable logic device with a 20-pin PLCC (9x9) package. It operates from a 5 V supply, provides up to 16 inputs and 8 configurable I/O paths, and offers approximately 250 gates of logic capacity. Its electrically erasable Flash memory architecture allows the programmed configuration to be erased and rewritten, distinguishing it from one-time-programmable fuse-based PAL devices. An EEPLD is a programmable logic device that stores a Boolean logic configuration in nonvolatile memory. Within the product hierarchy, an EEPLD is a form of PLD, which belongs to the broader semiconductor and digital-logic IC category. The ATF16V8B architecture emulates many 20-pin PAL devices and is suitable for implementing combinational and registered control logic where a small programmable device is preferable to a larger microcontroller or FPGA. Key features include a 15 ns speed grade, 8 macrocells, up to 16 inputs, 8 I/O paths, 5 V operation, and 250-gate equivalent logic capacity. Each output is allocated eight product terms according to the ATF16V8B family documentation. The 20-pin PLCC package provides a compact surface-mount option for industrial and legacy logic designs, while the electrically erasable configuration supports programming and design revisions. The ATF16V8B family uses a CMOS architecture and Flash-based configuration memory. The 15 ns suffix identifies a speed grade within the family, whose documented speeds extend down to 7.5 ns. Compared with discrete gate arrays or multiple conventional logic ICs, a single PLD can consolidate decoder, control, and state-transition logic into one programmable package. Exact AC timing, DC limits, and operating-temperature limits should be confirmed in the manufacturer datasheet for the selected ordering code. Typical uses include legacy peripheral control, address decoding, command sequencing, industrial controller glue logic, and system-interface decoding. It is particularly relevant when an existing board uses a 20-pin PAL-compatible architecture and the replacement must retain the JEDEC-compatible fuse map while adding electrically erasable reprogramming. For new designs, verify programmer support, pinout, timing, and output-mode requirements before replacing an existing GAL16V8 or PAL device. A footprint-compatible part is not automatically function-compatible unless its fuse map, macrocell structure, power behavior, and timing meet the original design requirements. This page combines verified manufacturer and distributor information with a focused alternative comparison and engineering guidance. It distinguishes confirmed package and timing information from parameters that still require verification, helping engineers distinguish a board-level drop-in candidate from a merely functional alternative.

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ATF16V8B-15JI - 15ns 8-Macrocell EEPLD | Microchip Technology
ATF16V8B-15JI

ATF16V8B-15JI - 15ns 8-Macrocell EEPLD | Microchip Technology

The Microchip Technology ATF16V8B-15JI is a 15 ns, 5 V electrically erasable programmable logic device with 8 macrocells, up to 16 inputs, 8 I/Os, and 250 gates in a 20-pin PLCC package measuring 9 x 9 mm. The ATF16V8B architecture implements registered, combinatorial, and complex-programmable operating modes selected automatically by programming software. An EEPLD is a semiconductor that stores a logic configuration in nonvolatile electrically erasable memory. In the broader hierarchy, it is a programmable logic device, a digital integrated circuit, and ultimately a general-purpose logic semiconductor. Unlike a mask-programmed PAL, the ATF16V8B can be reprogrammed during development, production, or field maintenance without changing the integrated-circuit mask. The ATF16V8B-15JI provides eight outputs, with each output allocated eight product terms, allowing the same device to implement many conventional 20-pin PAL arrangements. Its 15 ns speed designation is suitable for legacy control, decoding, address mapping, interface conditioning, and general glue-logic functions. The manufacturer describes the device as a standard-power, 5 V, green-package EEPLD with as many as 16 inputs and 8 I/Os. Technically, the device combines a reusable Flash-based configuration memory with a combinational logic array and configurable output registers. Software automatically configures the appropriate architecture, reducing the need to design around a fixed PAL fuse pattern. The ATF16V8B family also provides a superset of generic 16R8 and many 20-pin combinatorial PLD architectures, making it useful for consolidating multiple legacy devices onto one programmable footprint. Typical applications include industrial control-panel decoding, legacy peripheral-interface glue, programmable address decoding, general bus conditioning, and compact logic consolidation. Because the ATF16V8B is a 5 V device, system-level compatibility should be checked carefully when it interfaces with modern 3.3 V devices; the verified product data does not specify mixed-voltage interface tolerance. Designers should preserve the original JEDEC-compatible pin arrangement, use the appropriate Microchip programming tool, and include an unobstructed programming interface in the PCB layout. Before replacing an older PAL or GAL, verify the macrocell architecture, registered versus combinatorial outputs, pinout, propagation delay, and power-up behavior rather than relying only on package dimensions. This product page combines verified manufacturer and distributor attributes, pin-compatible replacement analysis, practical legacy-logic design guidance, and structured comparisons. Those engineering details help distinguish a true drop-in replacement from a merely similar EEPLD and support faster sourcing and design verification.

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ATF16V8B-15PC - 15 ns 250-Gate EEPLD | Microchip Technology
ATF16V8B-15PC

ATF16V8B-15PC - 15 ns 250-Gate EEPLD | Microchip Technology

The Microchip Technology ATF16V8B-15PC is a high-performance CMOS electrically erasable programmable logic device with a 15 ns speed grade, 250 programmable gates, up to 16 inputs, 8 I/Os, and a 20-pin PDIP package. It combines the familiar 16V8 PLD architecture with electrically erasable Flash memory technology, allowing the programmed configuration to be erased and rewritten instead of permanently fused. An EEPLD is a simple programmable logic device within the broader programmable-logic-device hierarchy. Unlike a mask-programmed or one-time-programmable PAL, an EEPLD retains its configuration in nonvolatile Flash memory and can be updated during design, prototyping, or field maintenance. The ATF16V8B family is intended for compact combinatorial and registered logic implementations where a small gate count and familiar 20-pin architecture are advantageous. Key features include a 250-gate equivalent capacity, as many as 16 inputs, eight configurable I/O paths, 5 V operation, and a 15 ns device rating. The ATF16V8B family also provides speed options down to 7.5 ns, while the selected ATF16V8B-15PC variant is identified by the 15 ns suffix. Its electrically erasable Flash configuration permits design revisions without replacing the device. The ATF16V8B architecture supports software-selected operating modes and is intended to emulate common 16R8 devices and many 20-pin combinatorial PLDs. Eight outputs are allocated eight product terms each, allowing the device to implement multiple sum-of-products functions and registered logic in a compact package. A microchip product page describes the device as a 250-gate, standard-power, green-package EEPLD with a 5 V supply and up to 16 inputs. Typical applications include industrial control logic, legacy peripheral emulation, address decoding, interface decoding, glue logic, counter and state-machine implementations, and compact control panels. The ATF16V8B-15PC is especially useful when an existing design uses a 20-pin PAL-style footprint and the new design benefits from a rewritable configuration memory. The principal engineering consideration is timing. The 15 ns suffix denotes a defined speed grade, but board-level setup, hold, interconnect delay, and output loading must be included in timing analysis. Existing PAL or GAL footprints should also be checked against the Microchip replacement guidance because electrical characteristics are similar but may contain minor differences. This page combines verified manufacturer and distributor information, a same-package replacement assessment, and practical selection guidance. It distinguishes documented facts from parameters that still require confirmation from the full manufacturer datasheet, helping engineers evaluate the ATF16V8B-15PC without relying on an incomplete distributor summary.

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ATF16V8B-15PI - 15 ns 5V 8-Macrocell PLD | Microchip Technology
ATF16V8B-15PI

ATF16V8B-15PI - 15 ns 5V 8-Macrocell PLD | Microchip Technology

Microchip Technology ATF16V8B-15PI is a 15 ns, 5 V, 8-macrocell electrically erasable programmable logic device in a 20-pin PDIP package. The device provides 250 gates, supports as many as 16 inputs and 8 I/Os, and combines CMOS PLD operation with electrically erasable Flash memory. Its 20-pin through-hole package supports direct insertion into conventional PAL-compatible sockets and PCB layouts. An electrically erasable programmable logic device, or EEPLD, is a semiconductor that stores configurable digital logic functions in nonvolatile memory. Within the broader hierarchy, an EEPLD is a programmable logic device, a form of digital logic IC, and ultimately a general-purpose semiconductor. Unlike a mask-programmed mask ROM or one-time-programmable fuse device, the ATF16V8B-15PI can be erased and reprogrammed while retaining its logic implementation between operating cycles. The ATF16V8B family provides 8 macrocells and 250 gates, with configurable operating modes selected by software according to the required input and output equations. Maximum propagation delay is 15 ns for the ATF16V8B-15PI designation, making it suitable for control, decoding, address translation, interface adaptation, and general combinational or registered logic. The device operates from a single 5 V supply and is offered in a green 20-PDIP package. The 16V8 architecture supports up to 16 inputs and 8 outputs, allowing it to implement many common 20-pin PAL arrangements. Eight product terms are allocated to each output in the applicable operating mode. Because the device uses electrically erasable Flash memory, designers can reuse a programmed part during development or update its configuration without relying on one-time fuse programming. Typical uses include industrial control logic, legacy peripheral-interface adapters, programmable I/O expansion, decoding functions, and compact glue-logic implementations. The 15 ns timing class is useful where propagation delay matters, although exact system timing must still be checked against the programmed architecture and external load conditions. The same 20-pin footprint can simplify repairs or modernization of boards designed around compatible 16V8 PLDs. The primary design consideration is physical and functional compatibility rather than package interchange alone. Confirm the pinout, active levels of CE and OE, registered versus combinatorial configuration, supply voltage, and timing limits before substituting another part. Firmware and programming files must also be reviewed because equivalent pin assignments do not necessarily guarantee identical macrocell behavior or timing margins. This page combines verified manufacturer and distributor information, drop-in candidate screening, package-level comparison, and practical replacement guidance. It distinguishes verified device facts from unavailable pricing, lifecycle, compliance, and detailed timing fields, making the resulting selection guidance more useful for engineering review than a raw distributor listing alone.

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ATF16V8B-15PU - 15 ns 8-Macrocell 5V PLD | Microchip
ATF16V8B-15PU

ATF16V8B-15PU - 15 ns 8-Macrocell 5V PLD | Microchip

The Microchip ATF16V8B-15PU is a 15 ns, 5 V, electrically erasable programmable logic device with eight macrocells, up to 16 inputs, eight I/Os, and eight registered outputs in a 20-pin PDIP package. It emulates the industry-standard 20-pin PAL architecture and provides 250 gates for compact legacy control, decoding, address-selection, and interface logic. A simple programmable logic device, or SPLD, combines programmable AND-array routing with fixed OR logic in a small CMOS package. Within the broader hierarchy, the ATF16V8B belongs to PLD, simple programmable logic, digital logic IC, and semiconductor categories. Its electrically erasable Flash configuration supports nonvolatile logic, while the -15 designation identifies the verified 15 ns device used where faster propagation timing than slower legacy options is useful. Key verified features include eight macrocells and a 250-gate equivalent capacity. The device supports as many as 16 inputs and eight I/Os, with eight registered outputs identified by distributor data. It operates from a nominal 5 V supply in a green package and uses electrically erasable Flash memory rather than fuse technology. Microchip also describes the ATF16V8B family as a superset of generic 16R8 architectures and as suitable for direct replacement of common 20-pin combinatorial PLDs, subject to logic, timing, and package checks. The ATF16V8B architecture gives each output eight allocated product terms and offers automatically configured operating modes for implementing comparatively complex logic. The 15 ns part is appropriate for legacy 5 V systems where logic depth, decoding latency, and compact implementation matter more than modern FPGA integration. A search result also identifies 62 MHz for this family, but the supplied data does not reconcile that figure with the 15 ns propagation grade, so it should not be treated as a guaranteed system-frequency specification without the full datasheet timing conditions. Typical uses include GAL16V8-compatible replacements, address and chip-select decoding, bus-interface qualification, industrial controller glue logic, keyboard or display decoding, and compact control sequencers. Programming normally requires a compatible JEDEC file, ATF16V8B device selection, and an electrically erasable PLD programmer such as TL866II+ with suitable adapter hardware. Designers should verify pinout, package, supply voltage, AC timing, and JEDEC fuse-map compatibility before substitution. The P suffix indicates the verified PDIP-20 mechanical option, so it must not be confused with PLCC or other ATF16V8 packages. Programming settings, output polarity, register bypass, and unused pins should be validated against the manufacturer datasheet and programmer documentation. This page combines verified Microchip family data, distributor specifications, GAL16V8 replacement guidance, commercial availability, and design-oriented replacement checks to provide engineering context beyond a basic distributor listing.

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ATF16V8B-15SC - 15ns 250-Gate Flash PLD | Microchip Technology
ATF16V8B-15SC

ATF16V8B-15SC - 15ns 250-Gate Flash PLD | Microchip Technology

Microchip Technology ATF16V8B-15SC is a 250-gate electrically erasable programmable logic device with eight macrocells, 16 inputs, eight I/O outputs, and a 15 ns speed grade in a 20-pin SOIC package. It operates from a 5 V supply and uses CMOS electrically erasable Flash memory for nonvolatile logic configuration. The ATF16V8B architecture emulates many 20-pin PAL devices and provides a superset of generic 16R8 architecture. A programmable logic device, or PLD, is a semiconductor whose internal logic connections can be configured after manufacture. In the product hierarchy, the ATF16V8B is an electrically erasable PLD, commonly called an EEPLD, within the broader FPGA and CPLD category. Unlike a mask-programmed PAL, its Flash configuration can be erased and rewritten, allowing design revisions, prototyping, and small-volume production without changing the device footprint. Key features include eight macrocells, up to 16 inputs, eight I/O outputs, a 15 ns device speed, and 5 V operation. The ATF16V8B family is designed to emulate many 20-pin PALs, while software-assisted configuration modes support registered, combinatorial, and complex logic functions. The manufacturer identifies the package as a green, standard-power 20-SOIC device, making it suitable for compact surface-mount control and decoding logic. Technically, the ATF16V8B combines a programmable macrocell array with electrically erasable Flash memory and a CMOS logic array. Each of its eight outputs can support multiple product terms, and the architecture can supersede 16R8 devices and many 20-pin combinatorial PLDs. The verified product information identifies speeds down to 7.5 ns across the broader family, while the ATF16V8B-15SC suffix specifically denotes the 15 ns grade. Typical applications include industrial control logic, address decoding, protocol translation, state-machine implementation, legacy PAL replacement, and compact glue logic around microcontrollers or FPGAs. Its 20-pin SOIC footprint supports dense PCB layouts where eight programmable macrocells and numerous interconnectable inputs are valuable without moving to a larger CPLD. The primary design consideration is verification of the configured architecture, pin assignment, and timing in the selected programming tool. Because this is a legacy PLD rather than a general-purpose FPGA, engineers should confirm that required input count, output count, registered outputs, and product-term depth are supported before committing it to a new design. This page combines verified manufacturer and distributor information with same-footprint alternatives, parameter comparisons, and practical replacement guidance. It also distinguishes verified electrical and packaging facts from fields that still require confirmation from the manufacturer datasheet, helping engineers select and integrate the ATF16V8B-15SC without relying on unsupported assumptions.

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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-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-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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