FPGA & CPLD
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A42MX16-3PQG160 - 24K Gate MX FPGA, 125 I/O | Microchip
The Microchip Technology (Microsemi) A42MX16-3PQG160 is a 24,000-system-gate FPGA from the MX family, housed in a 160-lead PQFP (PQG160) package with 0.635 mm terminal pitch. It provides 608 Configurable Logic Blocks (CLBs), 1232 logic cells, and up to 125 user I/O, making it a proven single-chip ASIC alternative for legacy and high-volume designs. An FPGA (Field-Programmable Gate Array) is a semiconductor device containing a fabric of configurable logic blocks and programmable interconnects that the designer wires together post-manufacture, sitting within the broader hierarchy of programmable logic devices (PLDs -> CPLDs -> FPGAs -> programmable SoCs). The MX family was explicitly positioned by Microsemi as a low-cost, high-volume platform for consolidating legacy PLD designs into a single device. Key features include the efficient MX antifuse architecture, which is non-volatile and radiation-tolerant by nature of its one-time-programmable interconnect, and support for IEEE 1149.1 JTAG boundary-scan testing across the 40MX/42MX families per the Microsemi DS2136 family datasheet. The -3 speed grade is the fastest commercial grade of the A42MX16 device, supporting higher clock frequencies than -1 and -2 grades within the same package footprint. The device is fabricated in CMOS technology and integrates seamless support for common bus and memory interfaces typical of embedded control, industrial automation, and communications bridge logic. Because the MX fabric is a mature, stable platform, designs locked into this family can rely on long-term sourcing continuity through Microchip Technology. Typical applications include legacy PLD consolidation, industrial motor control glue logic, telecommunications line-card control, and avionics/defense systems that leverage the antifuse fabric's inherent single-event-upset immunity. Design consideration: the MX family requires programming via the Actel/Microchip programming flow (Designer software), and because antifuse devices are one-time-programmable, verify the complete design in simulation before committing hardware. Confirm exact speed-grade timing and supply parameters against the official 40MX/42MX family datasheet DS2316 before production release.
A42MX16-3PQG208 - 24K Gate MX FPGA | Microchip | 208-Pin PQFP
The Microchip A42MX16-3PQG208 is a field-programmable gate array (FPGA) from the 42MX family, offering 24,000 system gates and 608 logic modules in a 208-pin PQFP package. It operates at a maximum internal frequency of 142 MHz and a maximum I/O frequency of 237 MHz, with a 0.45 µm CMOS process and support for 3.3V and 5V I/O. This device provides 140 user I/O pins and is designed as a reliable, single-chip ASIC alternative for integrating legacy PLDs. An FPGA (Field-Programmable Gate Array) is an integrated circuit that can be configured by the customer after manufacturing to implement custom digital logic. FPGAs belong to the programmable logic device (PLD) family, which sits between ASICs and discrete logic in the hierarchy of digital integrated circuits. The 42MX family is a high-volume, low-cost platform that enables designers to consolidate multiple PLDs into a single device, reducing board space and system cost. Key features of the A42MX16-3PQG208 include 24,000 system gates, 608 logic modules, and 140 user I/O pins. It supports both 3.3V and 5V I/O levels, making it versatile for mixed-voltage systems. The device is fully tested over automotive and military temperature ranges, ensuring reliability in harsh environments. Additionally, the 42MX family offers selectable PCI output drives on larger devices, enabling compliance with PCI specification version 2.1. Technically, the A42MX16 is built on a 0.45 µm CMOS process, providing a balance of speed and power efficiency. It features a maximum internal clock frequency of 142 MHz and a maximum I/O frequency of 237 MHz, suitable for moderate-speed applications. The device includes JTAG boundary-scan testing support (IEEE 1149.1) for efficient board-level testing. The 208-pin PQFP package has a 0.5 mm terminal pitch and is available in both plastic and ceramic versions, with the CQ208 and PQ208 packages being pin-compatible for easy prototyping and conversion. Typical applications for the A42MX16-3PQG208 include industrial control systems, automotive electronics, telecommunications infrastructure, and medical devices. Its ability to integrate multiple legacy PLDs into a single chip makes it ideal for system consolidation and cost reduction. The device's wide temperature range and robust architecture also suit aerospace and defense applications. When designing with this FPGA, consider the power supply requirements: it supports both 3.3V and 5V I/O, but the core voltage is 5V. Ensure proper decoupling and power sequencing to avoid latch-up. The JTAG interface can be used for in-system programming and testing, simplifying the development process. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, providing engineers with a comprehensive resource for evaluating the A42MX16-3PQG208.
A42MX16-3VQG100 - 24K Gate MX FPGA 5V 100-TQFP | Microchip
The Microchip Technology (formerly Microsemi/Actel) A42MX16-3VQG100 is an MX family Field Programmable Gate Array (FPGA) offering 24,000 equivalent system gates, 608 Configurable Logic Blocks (CLBs), and 83 user I/Os in a 100-terminal VQFP (TQFP) package with 0.500 mm lead pitch. The -3 speed grade device supports a maximum clock frequency of 129 MHz and operates on a flexible 5.0 V architecture. An FPGA (Field Programmable Gate Array) is a semiconductor device containing an array of programmable logic blocks and reconfigurable interconnects that designers configure in the field after manufacturing. Within the device hierarchy, the A42MX16 sits in the FPGA family under programmable logic ICs, which in turn belong to the broader category of digital integrated circuits and semiconductors. Unlike SRAM FPGAs, the MX family uses a reliable, non-volatile architecture, making it a true single-chip ASIC alternative. Key features include the efficient 5.0 V MX architecture that eliminates the need for a separate configuration device, 24K system gates suitable for glue logic consolidation, and legacy PLD integration on a single low-cost platform. The MX family is specifically positioned by Microchip as a high-volume platform for integrating legacy PLDs into one device, reducing board area, BOM cost, and assembly complexity. Technically, the device contains 608 CLBs organized with dedicated flip-flops and combinational logic resources. The -3 speed grade supports up to 129 MHz maximum toggle rates, sufficient for legacy bus interfaces, state machines, address decoders, and control logic. The 5.0 V tolerant I/O structure enables direct interfacing with 5V TTL-era systems without level translation, a key reason this family remains in production for legacy designs. Typical applications include legacy PLD consolidation, industrial control, 5V bus bridging, military/aerospace program sustainment, and high-volume ASIC replacement where non-volatile, single-chip operation is required. Design consideration: the MX family operates from a 5.0 V supply, so level-shifting is required when interfacing with 3.3V or 2.5V logic; plan decoupling and power-rail design accordingly.
A42MX16-FPLG84 - 24K Gate FPGA 84-PLCC | Microchip Technology
The Microchip Technology (formerly Microsemi/Actel) A42MX16-FPLG84 is an MX-series Field Programmable Gate Array (FPGA) with 24,000 system gates, 608 logic cells, and 72 programmable user I/O pins in an 84-pin PLCC (J-Lead) surface-mount package. It operates from dual 3.3V and 5V supplies with system performance up to 62 MHz (103 MHz toggle). An FPGA (Field-Programmable Gate Array) is a type of programmable logic IC whose interconnect and logic function blocks are configured by the designer after manufacturing. Within the programmable logic hierarchy (FPGA -> programmable logic device -> programmable IC -> semiconductor), the MX family is an antifuse-based FPGA designed as a single-chip ASIC alternative and a platform for consolidating legacy PLDs into one low-cost device. Key features of the A42MX16 include the flexible 5.0V-tolerant MX architecture, antifuse program interconnect (non-volatile and secure, no configuration PROM required at power-up), and support for the IEEE 1149.1 JTAG boundary-scan standard on family members. The commercial-grade FPLG84 package is a square 84-lead J-lead chip carrier (package code QCCJ) suited for solder reflow assembly. The MX family uses a proven 0.45um CMOS antifuse process, delivering deterministic interconnect delays and one-time programmability that eliminates configuration time and improves design security versus SRAM FPGAs. Logic is organized in mux-based combinational modules and sequential modules typical of the Actel MX architecture. Typical applications include glue logic integration, legacy PLD consolidation, industrial control, telecommunications line cards, and high-reliability single-chip ASIC prototyping where a soldered, non-volatile FPGA is preferred over SRAM-based devices. Design consideration: because the device is one-time programmable (antifuse), debugging requires the Actel/Microchip Libero design flow and careful pre-programming simulation; dual-rail power sequencing (5V and 3.3V) must also be verified in the power-supply design.
A42MX16-PG176B - 24K Gate MX FPGA, 140 I/O | Microchip
The Microchip Technology A42MX16-PG176B is a field-programmable gate array (FPGA) from the MX family, offering 24,000 system gates and 608 configurable logic blocks (CLBs) in a 176-pin ceramic pin grid array (CPGA) package. It provides 140 user I/O pins and operates from a 5.0 V supply, making it a reliable single-chip alternative to ASICs for integrating legacy PLDs into a low-cost, high-volume platform. An FPGA (Field-Programmable Gate Array) is an integrated circuit that can be configured by the customer after manufacturing to implement any digital logic function. FPGAs consist of an array of programmable logic blocks, interconnects, and I/O blocks, allowing designers to implement complex digital systems without the cost and lead time of custom ASICs. The MX family is a high-volume platform that enables system integration, reducing board space and component count. Key features of the A42MX16-PG176B include 24,000 system gates, 608 CLBs, 140 user I/Os, and support for 5.0 V operation. The device offers a maximum clock frequency of 56 MHz and a combinatorial delay of 4 ns per CLB, providing predictable timing for moderate-speed logic designs. The 176-pin CPGA package provides a robust, ceramic hermetic solution suitable for harsh environments and high-reliability applications. The MX architecture is based on a sea-of-modules structure with a flexible routing fabric, enabling efficient implementation of both combinatorial and sequential logic. The device supports JTAG boundary-scan testing for board-level verification and in-system programming. The 5.0 V architecture is compatible with legacy TTL and CMOS logic families, simplifying integration into existing designs. Typical applications include industrial control, automotive electronics, communications infrastructure, and military/aerospace systems where reliability and long-term availability are critical. The device's 140 I/Os allow interfacing with a wide range of peripherals, memory, and bus systems. When designing with this FPGA, consider the 5.0 V supply requirement and ensure proper decoupling on all power pins. The CPGA package requires a socket or careful soldering, and thermal management should be evaluated for high-density designs. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, providing engineers with a comprehensive resource for sourcing and implementing the A42MX16-PG176B.
A42MX16-PLG84A - 24K Gate FPGA, 72 I/O | Microchip Technology
The Microchip Technology A42MX16-PLG84A is a field-programmable gate array (FPGA) from the MX family, offering 24,000 typical system gates and 608 logic modules. It is supplied in an 84-pin PLCC (Plastic Leaded Chip Carrier) package with J-leads, providing 72 user I/O pins. The device operates over an industrial temperature range of -40°C to +125°C and is designed for 5.0V operation, making it suitable for a wide range of industrial and automotive applications. An FPGA (Field-Programmable Gate Array) is an integrated circuit that can be configured by the customer or designer after manufacturing—hence 'field-programmable'. FPGAs consist of an array of programmable logic blocks and a hierarchy of reconfigurable interconnects that allow the blocks to be wired together in different configurations. This flexibility enables rapid prototyping and design iteration without the cost and lead time of custom ASICs. The MX family is positioned as a reliable, single-chip ASIC alternative, ideal for integrating legacy PLDs into a low-cost, high-volume platform. Key features of the A42MX16-PLG84A include 24,000 typical gates, 608 logic modules, 72 user I/Os, and a maximum operating frequency of 153 MHz (as noted in Jotrin's listing). The device supports 5.0V I/O and is lead-free, complying with RoHS requirements. The 84-pin PLCC package offers a compact footprint with J-leads, suitable for surface-mount assembly. The industrial temperature range ensures reliable operation in harsh environments. Technically, the MX family uses a 0.45um process technology, balancing performance and power consumption. The device includes dedicated clock networks and JTAG boundary-scan support for testing and configuration. The FPGA can be programmed using standard design tools, and its non-volatile configuration memory retains the design upon power-up, simplifying system integration. Typical applications include industrial control, automotive electronics, communications infrastructure, and test and measurement equipment. The 5.0V architecture and 72 I/Os make it suitable for interfacing with legacy logic families and sensors. The device's reliability and long-term availability make it a preferred choice for designs requiring stable supply. When designing with this FPGA, consider the 5.0V supply requirement and ensure proper decoupling on all power pins. The PLCC package requires a socket or reflow soldering; verify the thermal profile for J-lead packages. Also, plan for JTAG programming during production.
A42MX16-PQ100 - 24K Gates 5V FPGA, 100-PQFP | Microchip
The Microchip (Microsemi) A42MX16-PQ100 is a member of the Actel 42MX antifuse FPGA family, offering 24K gates (up to 54,000 system gates), 608 logic cells, system performance of 103 MHz/172 MHz, and a flexible 3.3V/5V architecture in a 100-pin PQFP (BQFP) surface-mount package. An FPGA (Field-Programmable Gate Array) is a semiconductor device containing programmable logic blocks and interconnects that designers configure after manufacturing. The 42MX family uses antifuse programming technology, which is one-time programmable (OTP), providing non-volatile configuration, high immunity to configuration corruption, and inherent security advantages over SRAM-based FPGAs. This makes MX devices a reliable, single-chip ASIC alternative for high-volume systems. Key features include 2.5 kbits of configurable dual-port SRAM, fast wide-decode circuitry, support for up to 100% resource utilization and 100% pin locking, and deterministic routing. The 5V-tolerant, 5.0V-capable architecture makes the A42MX16 especially well suited for integrating legacy PLD/CPLD designs into a single low-cost device while maintaining 5V industrial signal compatibility. Architecturally, the MX family combines combinational and sequential logic modules with embedded dual-port SRAM blocks, fabricated on a 0.45 um process. Deterministic interconnect means timing remains predictable even at full utilization, an important trait for glue logic consolidation, bus interface bridging, and legacy redesigns where behavior must be preserved exactly. Typical applications include legacy system consolidation, industrial control, 5V bus interfacing, telecommunications line cards, and ASIC prototyping. Pricing as of 2026-08-30 is available from DigiKey, Mouser, and Octopart. Design note: because MX devices are one-time programmable, verify the full design in simulation and, where possible, use the same family in a reprogrammable flow or footprint-compatible strategy before committing production devices.
A42MX16-PQ100 - MX FPGA 24K Gates 100-PQFP | Microchip
The Microchip Technology (formerly Actel/Microsemi) A42MX16-PQ100 is a member of the 42MX antifuse FPGA family, delivering approximately 24,000 system gates with 608 logic cells in a 100-pin PQFP (100-BQFP) surface-mount package with 83 user-programmable I/O pins. It operates from dual 3.3V/5.0V supply rails with system performance of 103 MHz (172 MHz toggle). A field-programmable gate array (FPGA) is an integrated circuit that can be configured by the designer after manufacturing, sitting within the programmable logic hierarchy between fixed-function ASICs and CPLDs. The MX family is distinctive because it uses Actel antifuse interconnect technology, which is nonvolatile and one-time programmable - the configuration is retained with power off and requires no external boot flash, providing a single-chip ASIC alternative for high-volume, cost-sensitive designs. Key features include up to 2.5 kbits of configurable dual-port SRAM, fast wide-decode circuitry, 100% resource utilization with 100% pin locking, and deterministic routing based on a 0.45um CMOS process. The 5.0V-tolerant architecture makes it especially suited to integrating legacy 5V PLD designs into a single low-cost device, and an automotive variant of the 42MX family is available. Typical applications include industrial control system upgrades, legacy board redesigns, glueless bus interfacing, and high-volume embedded control where single-chip nonvolatile programmable logic reduces board complexity and BOM cost. Design consideration: because antifuse devices are one-time programmable, complete functional simulation and timing verification with Libero/Microsemi design tools is mandatory before programming production units.
A42MX16-PQ100IX39 - 24K Gate MX FPGA | Microchip | 100-Pin PQFP
The Microchip Technology A42MX16-PQ100IX39 is a 5.0 V MX Field Programmable Gate Array (FPGA) from the 40MX and 42MX families, offering 24,000 equivalent system gates and 608 Configurable Logic Blocks (CLBs) in a 100-pin PQFP package. This device provides a reliable, single-chip ASIC alternative for integrating legacy PLDs into a low-cost, high-volume platform. It supports a maximum clock frequency of 56 MHz and operates over the industrial temperature range of -40°C to +85°C. An FPGA (Field Programmable Gate Array) is an integrated circuit that can be configured by the customer after manufacturing to implement any digital logic function. FPGAs belong to the programmable logic device (PLD) family, which sits above CPLDs in complexity and below ASICs in customization. They are used to prototype and implement digital systems where flexibility and time-to-market are critical, bridging the gap between fixed-function logic and custom silicon. Key features of the A42MX16-PQ100IX39 include 24,000 system gates, 608 CLBs, 1232 logic cells, and 83 user I/O pins. The device is fully compliant with the PCI Local Bus Specification (version 2.1), delivering 200 MHz on-chip operation and 6.1 ns clock-to-output performance. It is based on a 5.0 V architecture, making it ideal for interfacing with legacy 5 V logic families without level shifting. The MX family uses a proprietary antifuse-based architecture, providing non-volatile, instant-on configuration with no external boot memory required. This results in a single-chip solution that is inherently secure and resistant to reverse engineering. The device supports JTAG boundary scan testing per IEEE Standard 1149.1, facilitating board-level testing and debug. Typical applications include industrial control, automotive electronics, telecommunications, and military/aerospace systems where 5 V compatibility and high reliability are essential. The A42MX16-PQ100IX39 is also suitable for bus interfacing, glue logic consolidation, and state machine implementations. When designing with this device, ensure proper decoupling of the VCC and GND pins with 0.1 uF ceramic capacitors placed close to the package. The 100-pin PQFP has a 0.635 mm terminal pitch, requiring careful PCB layout for signal integrity. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
A42MX16-PQG100A - 24K Gate 5V FPGA 100-BQFP | Microchip
The Microchip Technology (Microsemi) A42MX16-PQG100A is a member of the 42MX antifuse FPGA family, delivering 24,000 system gates, 608 logic cells, and up to 83 user I/O in a 100-pin PQFP (BQFP) package. It operates from a 5.0V supply, supports clock rates up to 153 MHz, and is fabricated on a 0.45 um process. The A suffix denotes automotive-grade screening, making it suitable for harsh-environment and high-reliability systems. An FPGA (Field-Programmable Gate Array) is a type of programmable logic IC that implements digital circuits through a fabric of configurable logic blocks, flip-flops, and routing resources. Unlike SRAM-based FPGAs, the MX family uses antifuse programming technology, which is one-time programmable (OTP): the configuration becomes permanent at power-up with no boot time and no external configuration memory required. Key features include the flexible 5.0V architecture that directly interfaces with legacy 5V TTL and 5V PLD logic, low power consumption, inherent design security (no bitstream to steal), and the single-chip ASIC-alternative positioning Microchip promotes for high-volume designs. The MX family is an ideal platform for integrating legacy PLDs and glue logic into a single low-cost device, and its antifuse fabric is immune to configuration-upset issues that affect SRAM FPGAs in radiation-prone environments. Architecturally, the 42MX device combines combinational modules and sequential modules arranged in a sea-of-modules fabric with dedicated routed clocks. Logic capacity is expressed as 24K system gates with 608 usable cells, and the device achieves 153 MHz toggle performance on a 0.45 um CMOS process. Design entry is performed with Microchip Libero SoC design tools targeting the MX families. Typical applications include legacy 5V system redesigns, industrial control, defense and aerospace programmable glue logic, automotive control modules, and bridging between microprocessors and peripheral logic where 5V tolerance and instant-on operation matter. Design consideration: because the device is one-time programmable, verify the design fully in simulation and, where practical, prototype on a larger-density MX device before committing to production programming. Pricing referenced as of 2026-08-30 from distributor data.
A42MX16-PQG160A - 24K Gate FPGA, 125 I/O | Microchip Technology
The Microchip Technology A42MX16-PQG160A is a field-programmable gate array (FPGA) from the MX family, offering 24,000 equivalent gates, 608 logic modules, and 125 user I/Os in a 160-pin PQFP (plastic quad flat pack) package. It operates from a 5.0 V supply (4.5 V to 5.5 V range) and supports a maximum clock frequency of 153 MHz, making it a reliable single-chip ASIC alternative for integrating legacy PLDs into a low-cost, high-volume platform. An FPGA is an integrated circuit that can be configured by the customer after manufacturing to implement any digital logic function. FPGAs belong to the programmable logic device (PLD) family, which sits above simple PLDs (SPLDs) and complex PLDs (CPLDs) in the hierarchy of programmable logic, and below application-specific integrated circuits (ASICs) in terms of customization and unit cost at high volumes. The MX family provides an efficient, flexible 5.0 V architecture ideal for bridging legacy 5 V systems with modern designs. Key features of the A42MX16-PQG160A include 608 logic modules, 125 user I/Os, and a 5.0 V core supply. The device supports JTAG boundary-scan testing (IEEE 1149.1) for board-level testability, and offers up to 153 MHz system performance. The 160-pin PQFP package has a 0.635 mm terminal pitch, and the device is lead-free (RoHS compliant) per the 'A' suffix. It is rated for industrial temperature range from -40°C to +125°C, making it suitable for harsh environments. Architecturally, the MX family uses a 0.45 µm CMOS process technology, providing a balance of density, speed, and power. The FPGA is SRAM-based, allowing in-system reconfiguration, though it requires an external configuration source at power-up. The device includes dedicated routing resources and I/O registers to support high-speed data paths and complex state machines. Typical applications include industrial control, automotive electronics, communications infrastructure, and test and measurement equipment. The 5.0 V operation makes it particularly suited for interfacing with legacy 5 V logic families, while the 125 I/Os allow integration of multiple PLDs into a single device, reducing board space and cost. When designing with this FPGA, ensure adequate decoupling on the VCC and GND pins, and follow the manufacturer's guidelines for configuration and JTAG connections. The device is non-volatile in the sense that it can be configured from an external PROM, but it is not flash-based, so configuration data must be reloaded at each power-up. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, providing a comprehensive resource for engineers evaluating the A42MX16-PQG160A.
A42MX16-PQG160I - 24K Gate 5V FPGA, PQFP-160 | Microchip
The Microchip Technology (Microsemi/Actel) A42MX16-PQG160I is a 24,000-system-gate antifuse FPGA from the 42MX family with 608 logic elements, 125 user I/O, and a 3.3V/5V dual-voltage architecture, housed in a 160-pin PQFP (PQG160) package rated for -40C to +85C industrial operation. A field-programmable gate array (FPGA) is a semiconductor device containing a fabric of programmable logic blocks and interconnects that engineers configure in the field, sitting within the broader hierarchy of programmable logic devices (PLDs) - above CPLDs in density and below ASICs in volume cost. The MX family uses antifuse programmability, meaning connections are permanently set at programming time, which yields very low static power, high resistance to configuration corruption, and inherent design security compared to SRAM-based FPGAs that load their bitstream from external memory at every power-up. Key features of the A42MX16 include its efficient 5.0V-tolerant architecture, single-chip ASIC-alternative role for legacy PLD integration, 0.45um process technology, and system speeds reported at 103 MHz (toggle) and 172 MHz (internal performance figures per family documentation). The antifuse fabric eliminates configuration PROMs, reducing bill-of-materials count and improving reliability in high-vibration and radiation-sensitive environments. Technically, the device provides 608 logic elements (cells) organized into the MX compile-and-route fabric supported by Microchip Libero SoC design software. Because configuration is one-time programmable, designs benefit from latch-up immunity to bitstream upset, and no external flash is required - a decisive advantage in defense, avionics, and industrial systems where configuration integrity is mandatory. Typical applications include glue logic consolidation of legacy PLD/ASIC designs, industrial control interfaces, military and aerospace subsystems requiring secure non-reprogrammable logic, and communication backplane bridging where 5V-tolerant I/O remains essential. Designers should note that antifuse devices cannot be reprogrammed in-system; a programming pinout and programming equipment are required during production, so board bring-up should be planned with programming access in mind. This page synthesizes distributor pricing, same-package drop-in family variants, and practical design guidance not found in the manufacturer datasheet. Pricing data is as of 2026-08-30.
A42MX16-PQG208A - 24K Gate FPGA, 140 I/O, 208-PQFP | Microchip
The Microchip Technology (Microsemi) A42MX16-PQG208A is a member of the MX FPGA family delivering 24,000 system gates (608 logic cells / CLBs) with 140 user I/O in a 208-pin Plastic Quad Flat Pack (208-BFQFP, 28x28 mm). Built on a 0.45um CMOS process, it operates from a dual supply of 3V to 3.6V (core) and 4.5V to 5.5V (I/O), supporting the legacy 5V systems the MX family was designed for. A Field Programmable Gate Array (FPGA) is a semiconductor device containing configurable logic blocks (CLBs) and programmable interconnects that designers configure in the field, offering an alternative to ASICs and a consolidation path for legacy PLDs, PALs, and GALs. Within the programmable logic hierarchy, the MX family sits as a high-volume, low-cost, single-chip ASIC replacement platform. Key features include a flexible 5.0V-tolerant architecture, JTAG boundary scan testing per IEEE 1149.1 on higher-density family members, an operating temperature range of -40C to +125C (TA) for industrial environments, and surface-mount assembly compatible with standard PQFP reflow processes. The A42MX16 die supports a maximum toggle rate in the ~100 MHz class depending on speed grade and routing. Architecturally, the device combines combinatorial and sequential logic modules with distributed routing resources, providing predictable delays suitable for glue logic integration, bus interfacing, state machines, and control-plane functions. The combinatorial delay of the base family is in the low-nanosecond range, enabling multi-megahertz system clocking. Typical applications include industrial control, legacy PLD consolidation, military/industrial upgrade programs, communications interface bridging, and high-volume products seeking an ASIC alternative without NRE cost. Design consideration: the dual-rail supply (3.3V core, 5V I/O) requires independent regulated rails and correct power sequencing per the 40MX/42MX datasheet; verify speed grade and temperature suffix before production ordering.
A42MX16-PQG208I - 24K Gate FPGA, 140 I/O, 208-PQFP | Microchip
The Microsemi (Microchip Technology) A42MX16-PQG208I is a 24,000-system-gate FPGA from the 42MX family with 608 logic cells, 140 user I/O, 103 MHz/172 MHz speed grade performance, and a 0.45 um CMOS process, housed in a 208-pin PQFP (PQG208) package with industrial temperature rating (-40C to +85C). A field-programmable gate array (FPGA) is a semiconductor device containing a fabric of configurable logic blocks and programmable interconnects that designers configure in the field via hardware description languages such as VHDL or Verilog. Within the power-management hierarchy of system logic, FPGAs sit above fixed-function ASICs in flexibility and below CPLDs in simplicity for small designs, serving as a reliable single-chip ASIC alternative for glue logic, bus interfacing, and control-plane integration. Key features of the A42MX16 include a dual 3.3 V/5 V supply architecture that eases integration into legacy 5 V systems, 608 configurable logic cells organized in the Actel MX combinatorial-and-sequential module structure, and 140 bidirectional user I/O pins on the 208-pin body. The MX family is a proven high-volume platform targeted at consolidating legacy PLDs and small ASICs into one low-cost, antifuse-programmable device. The 42MX architecture delivers dependable deterministic routing with no configuration-memory volatility, and family documentation notes full compliance with the PCI Local Bus Specification (version 2.1) together with up to 200 MHz on-chip operation and 6.1 ns clock-to-output performance in family members; higher-density 42MX24/42MX36 devices add IEEE 1149.1 (JTAG) boundary scan testing and fast wide-decode modules. Typical applications include industrial automation controllers, telecommunications line cards, legacy 5 V system upgrades, and embedded control systems where a proven single-chip ASIC replacement reduces bill-of-material cost and obsolescence risk. When designing with this device, verify power sequencing of the 3.3 V core and 5 V I/O domains, and confirm that the industrial temperature variant (suffix I) matches your environmental requirements, since commercial and automotive grade variants of the same die exist. This page synthesizes distributor sourcing data, same-family drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
A42MX16-TQG176M - 24K Gate MX FPGA, 176-TQFP | Microchip
The Microchip Technology (formerly Microsemi) A42MX16-TQG176M is a member of the Actel/Microsemi 42MX antifuse FPGA family, offering 24,000 system gates, 608 logic cells, and 140 user I/Os in a 176-pin Thin Quad Flat Package (TQFP). The device operates from a 3.3V or 5.0V supply and supports system frequencies of 103 MHz (dual-clock modes up to 172 MHz per family datasheet). An FPGA (Field Programmable Gate Array) is a reconfigurable logic device that implements digital circuits through programmable interconnect and configurable logic blocks. The MX family is distinctive for its antifuse programming technology, which permanently sets interconnects at configuration time. Unlike SRAM-based FPGAs, antifuse configuration is non-volatile, radiation-tolerant, and immune to configuration bitstream readback, making MX devices a reliable single-chip ASIC alternative and an ideal platform for consolidating legacy PLD designs into a single low-cost, high-volume device. Key features include the efficient 5.0V-tolerant MX architecture, 0.45um antifuse process technology, and the fixed-wire interconnect that eliminates configuration time, configuration PROMs, and BOOT failures. The M-graded variant supports extended temperature ranges for demanding applications. The 42MX architecture uses combinational and sequential logic modules with dedicated routing, delivering predictable pin-to-pin delays. JTAG boundary scan testing support simplifies board-level test integration. Typical applications include industrial control, glue logic consolidation, legacy PLD integration, aviation and defense systems, and high-reliability embedded controllers where non-volatile, secure configuration is required. When designing with this device, note that antifuse FPGAs are one-time programmable: final logic must be frozen before programming, and design changes require a new device. Plan supply rails for 3.3V or 5V operation per the 42MX datasheet DS2136.
A42MX16-VQG100A - 24K Gate 5V FPGA, 100-TQFP | Microchip
The Microchip Technology (Microsemi) A42MX16-VQG100A is a member of the MX FPGA family, delivering 24,000 system gates with 608 configurable logic cells and 83 user I/O in a 100-pin VQFP (TQFP) package. It operates on an efficient 5.0V CMOS architecture with an automotive-grade temperature rating indicated by the A suffix. An FPGA (Field-Programmable Gate Array) is a semiconductor device containing configurable logic blocks and programmable interconnects that the designer configures after manufacturing, sitting within the programmable logic hierarchy above SPLDs/CPLDs and below full-custom ASICs. The MX family is positioned as a reliable, single-chip ASIC alternative, ideal for consolidating legacy PLDs into one low-cost, high-volume device. Key features include a maximum system performance of up to 250 MHz (with clock rates of 153 MHz cited for the standard grade), 5V-tolerant I/O for direct interfacing with legacy 5V logic systems, and lead-free/RoHS-compliant construction. The 0.45um technology process provides a mature, proven platform with stable, long-term availability - a key reason MX devices remain popular in defense, industrial, and automotive programs. The MX architecture uses combinational and sequential logic modules within each cell, connected via a segmented routing fabric, supporting both glue logic consolidation and moderate-complexity system integration. Anti-fuse-free SRAM-style configuration enables reprogramming in-system. Typical applications include legacy 5V system logic integration, industrial control, motor drive interface logic, defense/aerospace upgrade programs, and automotive subsystems requiring the A-grade temperature rating. Design consideration: budget I/O carefully - only 83 of the 100 pins are user I/O, and 5.0V core supply requires power integrity planning; follow Microchip/Microsemi MX family datasheet decoupling guidance for reliable operation.
A42MX16-VQG100M - 24K Gate MX FPGA 100-TQFP | Microchip
The Microchip Technology (Microsemi) A42MX16-VQG100M is a member of the MX FPGA family, providing 24,000 system gates with 608 usable logic cells and 83 user I/O in a 100-pin VQFP (TQFP) surface-mount package. Fabricated on a 0.45 um process, this 3.3V/5.0V tolerant device combines a flexible antifuse-class architecture with low cost for high-volume designs. An FPGA (Field-Programmable Gate Array) is a semiconductor device containing a fabric of configurable logic blocks and programmable interconnects that the designer wires together post-manufacture, sitting in the system hierarchy between fixed-function ASICs and software-driven microcontrollers. The MX family is positioned as a reliable, single-chip ASIC alternative and is widely used to consolidate legacy PLDs into one low-cost, 5.0V-friendly platform. Key features of the A42MX16 include 24K system gates, 608 logic cells, a maximum system toggle performance of 103 MHz/172 MHz depending on clocking resources, 83 user I/O, and dual 3.3V/5V supply architecture that directly interfaces with legacy 5V logic without level translation. The 100-pin VQFP with 0.5 mm lead pitch supports dense two-layer and four-layer board layouts using standard surface-mount assembly. The MX architecture uses a deterministic routing fabric that delivers predictable pin-to-pin delays, simplifying timing closure without a complex back-end flow. Design entry is performed with Microchip (formerly Microsemi/Actel) Libero SoC design tools supporting HDL and schematic capture. Typical applications include legacy PLD consolidation, industrial glue logic, bus interface bridging, and military/extended-temperature control logic, with the M-grade suffix indicating an extended screening/temperature class. It is a strong fit for high-volume programs where 5.0V I/O tolerance rules out modern low-voltage FPGAs. Design consideration: the 0.45 um 5V-class fabric has far lower logic density than modern FPGAs; verify gate utilization early and budget I/O standards carefully, since 83 user I/O is a hard limit on the 100-TQFP footprint.
A42MX24-1PLG84 - 36K Gate 5V FPGA | Microchip | 84-PLCC
The Microchip Technology A42MX24-1PLG84 is a 5V field-programmable gate array (FPGA) from the MX family, offering 36,000 system gates and 912 logic cells in an 84-pin PLCC (J-Lead) package. It operates over a dual supply range of 3.0V to 3.6V and 4.75V to 5.25V, with a commercial temperature range of -40°C to +85°C. This device provides 72 user-programmable I/O pins and includes configurable dual-port SRAM up to 2.5 kbits, making it a reliable single-chip ASIC alternative for integrating legacy PLDs. An FPGA (Field-Programmable Gate Array) is an integrated circuit that can be configured by the customer after manufacturing to implement any digital logic function. FPGAs belong to the programmable logic device (PLD) family, which sits above CPLDs in complexity and below ASICs in customization. The MX family is a high-volume, low-cost platform that bridges the gap between discrete logic and full-custom silicon, enabling rapid prototyping and flexible system design. Key features include fast wide-decode circuitry similar to CPLD architectures, embedded dual-port SRAM modules optimized for high-speed datapath functions such as FIFOs and scratchpad memory, and support for 5V and 3.3V I/O standards. The device is manufactured using a 0.45um CMOS process, balancing performance with cost-effectiveness. The 84-pin PLCC package provides a compact footprint with J-lead terminations suitable for surface mounting. Technically, the A42MX24 integrates D-modules arranged around the periphery, providing fast wide-input AND functions that accelerate control logic. The dual-port SRAM enables concurrent read/write operations, essential for buffering and data movement. The device supports in-system programming via JTAG, allowing flexible design updates without removing the component from the PCB. Typical applications include industrial control systems, automotive electronics, communication interfaces, and legacy PLD consolidation. The 5V compatibility makes it ideal for interfacing with older 5V logic families, while the 3.3V option supports mixed-voltage designs. Its high I/O count and embedded memory suit bus interface and glue-logic applications. When designing with this FPGA, ensure proper decoupling of both supply rails and follow the recommended power-up sequencing to avoid latch-up. The PLCC package requires a socket or reflow profile compatible with J-lead components. Thermal management is straightforward given the moderate power consumption of the 0.45um process. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, providing engineers with a comprehensive resource for evaluating the A42MX24-1PLG84 in their designs.
A42MX24-1PQG160M - 36K Gate Antifuse FPGA 160-PQFP | Microchip
The Microchip Technology (formerly Microsemi/Actel) A42MX24-1PQG160M is a member of the 42MX antifuse FPGA family, providing 36,000 system gates, 912 logic cells, and 125 user I/Os in a 160-pin PQFP (BQFP) package. Operating from a flexible 3.3V/5.0V supply architecture, this one-time-programmable FPGA is a reliable, single-chip ASIC alternative for high-volume, cost-sensitive designs. Antifuse FPGAs are programmable logic devices that use one-time-programmable antifuse interconnect elements instead of SRAM configuration cells. Within the programmable logic hierarchy (FPGA -> antifuse FPGA -> programmable logic device -> semiconductor), the MX family stands out because its configuration is stored physically in silicon, delivering instant-on operation, no external configuration ROM, inherent design security against bitstream theft, and immunity to configuration SEU events - key advantages over SRAM-based FPGAs. Key features of the A42MX24 include a 0.45um CMOS process, dual-voltage 3.3V/5.0V operation, multiPlex I/Os supporting mixed-voltage systems, and low-power mode operation. The D-module wide-decode architecture provides fast, wide-input AND functions similar to CPLD architectures, while S-modules and C-modules implement flexible combinational and sequential logic. The '-1' speed grade balances performance and cost, and the 'M' suffix denotes a tray-packaged, RoHS-compliant (G = green) commercial unit. Typical applications include glue logic consolidation, legacy PLD integration into a single low-cost device, industrial control, bridge/ interface logic, and high-volume embedded systems where configuration volatility and design security matter. Because configuration is non-volatile, the device is ideal for power-cycled systems with no boot-time requirement. Design consideration: as a one-time-programmable device, the A42MX24 cannot be reprogrammed - verify your design thoroughly in simulation and use the Libero SoC design flow from Microchip before committing to production programming. Use external decoupling on both 5.0V and 3.3V rails, as the MX architecture drives dual-voltage I/O banks.
A42MX24-1PQG208I - 36K Gate MX FPGA, 208-PQFP | Microchip
The Microchip Technology A42MX24-1PQG208I is a member of the MX FPGA family, providing 36,000 system gates with 912 logic cells, 176 user I/Os, and a 0.45 um process in a 208-pin gull-wing PQFP (BFQFP) package. The -1 speed grade and industrial temperature range (-40C to +85C) make it suited for industrial embedded control systems. An FPGA (Field-Programmable Gate Array) is a semiconductor device containing a fabric of configurable logic blocks and programmable interconnects that the designer configures after manufacturing. Within the programmable logic hierarchy, the MX family sits as a low-cost, high-volume FPGA -> programmable logic device -> ASIC alternative, originally from Actel/Microsemi and now sold under Microchip Technology. Key features include a flexible 5.0V/3.3V architecture with MultiPlex I/Os supporting mixed-voltage systems, programmable PCI support fully compliant with the PCI Local Bus Specification (version 2.1), low-power mode, and D-modules with wide-decode circuitry arranged around the device periphery providing fast, wide-input AND functions similar to CPLD architectures. S-modules and C-modules implement up to 8-input logic functions for efficient combinational and sequential design. The 42MX architecture uses antifuse-based one-time-programmable technology, giving inherent resistance to configuration upset and making the device a reliable single-chip ASIC alternative for consolidating legacy PLDs into a single low-cost device. This makes the MX family popular in high-volume industrial, defense, and medical platforms where configuration volatility is undesirable. Typical applications include industrial automation control, legacy PLD consolidation, glue logic integration, motor control interfaces, and mixed 5V/3.3V system bridging. The 176 I/O count and PCI compliance also support embedded bus interface designs. Design consideration: because MX devices are one-time programmable, verify the bitstream thoroughly in simulation before programming; the 5V-tolerant MultiPlex I/O simplifies interfacing with legacy 5V logic but observe the 3.3V/5V supply sequencing guidance in datasheet DS2316.
A42MX24-1PQG208M - 36K Gate FPGA 208-PQFP | Microchip
The Microchip Technology A42MX24-1PQG208M is an MX-family Field Programmable Gate Array (FPGA) offering 36,000 system gates and 912 logic cells with 176 user I/O in a 208-pin PQFP (BFQFP) package. The M suffix denotes Microchip's automotive-grade screening, and the -1 speed grade balances performance with power in the 5.0V-tolerant MX architecture operating at 3.3V/5V rails. An FPGA (Field Programmable Gate Array) is a semiconductor device containing a fabric of programmable logic blocks and interconnects that engineers configure in the field, unlike fixed-function ASICs. Within the programmable logic hierarchy, the MX family sits as a low-cost, high-volume, antifuse-based one-time-programmable platform, positioned as a reliable single-chip ASIC alternative and a consolidation target for legacy PLDs and glue logic. Key features include 36K system gates in a 0.45um CMOS process, a flexible dual 3.3V/5V supply architecture that directly interfaces with legacy 5V systems, and D-modules arranged around the device periphery that provide wide-decode AND functionality comparable to CPLD and PAL architectures, with programmable output inversion for active-HIGH or active-LOW assertion. The 208-pin PQFP provides 176 user I/O, ample pin count for bus interfacing, and surface-mount assembly compatibility. Architecturally, the 42MX fabric combines C-modules (combinational), S-modules (sequential with flip-flops), and D-modules (wide decode). The D-module arrangement gives A42MX24 fast address decoding and wide-input combinational functions at speeds approaching dedicated CPLDs, a differentiator versus fine-grained FPGA fabrics. The antifuse programmable interconnect is non-volatile, immune to configuration bitstream loading at power-up, and inherently more secure against readback than SRAM FPGAs. Typical applications include legacy system redesign where 5V I/O compatibility is mandatory, automotive electronic control modules requiring the M-grade screening, industrial motor controllers, and high-volume products replacing masked ASICs where NRE cost is prohibitive. The device integrates multiple discrete PLDs into one low-cost package, reducing board area and BOM count. Design consideration: the MX family is one-time programmable (antifuse), so prototype your design thoroughly in the Libero/Synplify flow before committing; there is no reprogramming. Verify 5V-tolerant I/O assignments against the 42MX datasheet current and slew limits, and plan power decoupling for the 3.3V/5V dual-rail domains.
A42MX24-1TQG176 - MX FPGA 36K Gates 176-LQFP | Microchip
The Microchip Technology A42MX24-1TQG176 is a 36,000-system-gate MX Field Programmable Gate Array (FPGA) with 150 user I/Os, housed in a 176-pin LQFP (TQFP) package. It operates from a 3.3V or 5V supply, with a maximum clock frequency of 105.5 MHz, and is part of the 42MX family of antifuse-based FPGAs. An FPGA (Field Programmable Gate Array) is an integrated circuit that can be configured by the customer after manufacturing to implement any digital logic function. The MX family is a high-volume, single-chip ASIC alternative that integrates legacy PLDs into a low-cost device. It uses antifuse technology, which is one-time programmable (OTP), providing inherent design security and low power consumption. Key features include 912 Configurable Logic Blocks (CLBs), 1890 logic cells, and 36,000 equivalent gates. The device supports 3.0V to 3.6V and 5V operation, with 150 user I/Os. The 176-LQFP package offers a compact footprint for space-constrained designs. The antifuse architecture provides non-volatile configuration, instant-on operation, and resistance to reverse engineering. The 42MX family uses a 0.22um CMOS process with a 5.0V architecture, offering a balance of performance and power. The D-modules around the periphery provide wide-decode circuitry similar to CPLDs, enabling fast, wide-input AND functions. This makes the device suitable for bus interfaces, address decoding, and glue logic integration. Typical applications include industrial control, automotive electronics, communications infrastructure, and military/aerospace systems where reliability and security are critical. The device's low power and instant-on capability make it ideal for battery-powered and safety-critical applications. When designing with this device, consider the one-time programmable nature - ensure the design is fully verified before programming. The 176-LQFP package requires careful PCB layout for thermal management and signal integrity, especially at 105.5 MHz clock rates. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, providing a comprehensive resource for engineers evaluating the A42MX24-1TQG176.
A42MX24-1TQG176I - 36K Gate 5V FPGA 176-TQFP | Microchip
The Microchip Technology (Microsemi) A42MX24-1TQG176I is a member of the 42MX FPGA family, delivering 36,000 system gates and 912 logic cells in a 176-pin TQFP package with 150 user I/Os. Fabricated on a 0.45 um process, it operates from 3.3V or 5.0V supplies and carries the industrial temperature grade (-I suffix). An FPGA (Field-Programmable Gate Array) is a semiconductor device containing a fabric of configurable logic blocks and programmable interconnects that the designer wires together after manufacturing, making it a single-chip ASIC alternative. The MX family sits within the broader taxonomy: FPGA -> programmable logic device -> digital IC, and is specifically optimized as a cost-effective, high-volume platform for consolidating legacy PLD designs. Key features include the flexible 5.0V-tolerant architecture, multiPlex I/Os supporting mixed-voltage 3.3V/5.0V systems, programmable PCI support, and a low-power mode. The A42MX24 and A42MX36 devices additionally contain D-modules arranged around the device periphery, providing wide-decode circuitry that delivers fast, wide-input AND functions similar to CPLD architectures. Architecturally, the MX fabric combines C-modules (combinational), S-modules (sequential with flip-flops), and D-modules (wide decode), enabling efficient glue logic, state machines, and bus-interface functions. The act-1 style logic granularity suits legacy schematics and older HDL designs common in industrial platforms. Typical applications include industrial control and automation, legacy PLD consolidation, 5V mixed-voltage bus bridging (including PCI), and high-volume embedded systems where a single-chip ASIC alternative reduces BOM cost. Design consideration: this is an antifuse/flash-style mature family programmed via Microchip Libero/Microsemi Designer tools; verify programmer availability and lock design files early, and confirm I/O voltage domain assignments when mixing 3.3V and 5.0V banks.
A42MX24-1TQG176M - 36K Gate MX FPGA 176-TQFP | Microchip
The Microchip Technology (Microsemi/Actel) A42MX24-1TQG176M is a member of the 42MX FPGA family, delivering 36,000 system gates and 912 logic cells in a 176-pin TQFP package with 150 user I/Os. Fabricated on 0.45um CMOS antifuse technology, it operates from dual 3.3V/5V supplies and belongs to the -1 speed grade with M (industrial/standard) temperature ordering code. An FPGA (Field-Programmable Gate Array) is a reconfigurable integrated circuit that implements digital logic through programmable interconnect and logic modules. Within the power management hierarchy of digital ICs, the MX family occupies the one-time-programmable (OTP) antifuse FPGA segment, offering designers a reliable single-chip ASIC alternative for integrating legacy PLDs into a single, low-cost, high-volume device. Key features include 36K system gates, 912 logic cells, up to 150 user I/Os, and D-modules arranged around the device periphery containing wide-decode circuitry that provides a fast, wide-input AND function similar to CPLD architectures. The 5.0V-tolerant, flexible architecture makes MX an ideal platform for legacy PLD consolidation. The antifuse fabric is non-volatile and configuration-data secure, unlike SRAM FPGAs that require external configuration memory. Technically, the 42MX family combines C-modules (combinational logic) and S-modules (sequential logic with flip-flops), with A42MX24 and A42MX36 devices adding D-modules for wide-decode functions. This module mix enables efficient state machines, decoders, and glue-logic integration at low static power. Typical applications include legacy PLD consolidation, industrial control glue logic, military/aerospace upgrades of 5V systems, and bridge/interface logic where 5V-tolerant I/O is required. Design consideration: as a one-time-programmable antifuse device, programming is irreversible - verify the design thoroughly in simulation with Libero/Microsemi design tools before programming production units, and ensure 3.3V/5V rail sequencing complies with the datasheet.