FPGA & CPLD
Products (6358)
A42MX16-1PQG208I - 24K Gate 5V FPGA PQFP-208 | Microchip
The Microchip Technology (Microsemi) A42MX16-1PQG208I is a CMOS Field Programmable Gate Array from the 42MX family, offering 24,000 equivalent gates, 608 Configurable Logic Blocks (1232 logic cells), and a 208-pin Plastic Quad Flat Pack (PQFP) with 0.5 mm terminal pitch. It operates from dual 3.3V/5V supplies and is industrial-temperature rated, lead free, and supplied in tray packaging. 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 power management hierarchy of programmable logic, FPGAs sit above CPLDs in density and flexibility, and the MX family is specifically positioned as a reliable, single-chip ASIC alternative for high-volume, cost-sensitive designs integrating legacy PLD functionality. Key features include an efficient, flexible 5.0V-tolerant architecture, 200 MHz on-chip operation with 6.1 ns clock-to-output performance, and PCI Local Bus Specification (version 2.1) compliance. The device uses 0.45 um CMOS process technology and supports system-level features in larger family members such as IEEE 1149.1 (JTAG) boundary scan testing and fast wide-decode modules. The act-1 style logic architecture provides predictable routing delays, making the MX family attractive for designs migrating from discrete PAL/GAL/PLD devices into a single low-cost FPGA while maintaining 5V compatibility required by legacy industrial backplanes. Typical applications include legacy industrial control systems, 5V PCI interfaces, MIL/COTS heritage system refreshes, glue logic consolidation, and replacement of obsolete multi-PLD designs. Its 5V I/O tolerance eliminates level-shifting when interfacing with older TTL/5V CMOS peripherals. Design consideration: plan power-up sequencing and verify I/O bank loading against the 208-pin PQFP thermal characteristics; maximum junction temperature is 150 C per the 40MX/42MX families datasheet (DS2136).
A42MX16-1TQG176 - 24K Gate 5V FPGA, 140 I/O | Microchip
The Microchip Technology (Microsemi) A42MX16-1TQG176 is an MX-family FPGA with 24,000 system gates, 608 configurable logic blocks (CLBs), 1,232 logic cells, and 140 user I/O, housed in a 176-pin Thin Quad Flat Package (TQG176 / LQFP) at commercial temperature grade with a -1 speed grade. It operates on Microchip's proven 5.0 V antifuse architecture, making it a single-chip ASIC alternative for high-volume systems. A field-programmable gate array (FPGA) is a semiconductor device containing configurable logic blocks and programmable interconnects that the designer wires together after manufacturing. Within the programmable logic hierarchy, the MX family sits under Actel/Microsemi FPGA technology, positioned as a low-cost, high-volume platform for consolidating legacy PLD and glue-logic designs into a single device. Key differentiators of the A42MX16-1TQG176 include its 5.0 V tolerant I/O architecture, which directly interfaces with legacy 5V systems without level shifting; its non-volatile antifuse programming technology, which retains configuration through power cycles and offers high resistance to radiation and configuration readback attacks; and its maximum clock frequency of approximately 94-108 MHz depending on design. The MX architecture uses asea-module based CLBs with combinational and sequential logic resources, supporting both combinatorial and registered feedback paths. Antifuse interconnect provides deterministic, low-jitter routing compared to SRAM FPGAs, and because the configuration is hard-wired at programming time, there is no configuration PROM required on the PCB, reducing BOM cost and boot time. Typical applications include legacy PLD consolidation, industrial control sequencing, military and defense interface logic, automotive interconnect bridging, and ASIC prototyping where 24K gate density is sufficient. Design consideration: because this is a 5.0 V device, verify that surrounding circuitry tolerates 5V I/O levels; newer 3.3V devices require level shifters or a different family. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
A42MX16-1TQG176I - 24K Gate 5V FPGA, TQFP-176 | Microchip
The Microchip Technology A42MX16-1TQG176I is an MX family FPGA delivering 24,000 system gates (608 logic cells) with 140 user I/O in a 176-pin TQFP package. Fabricated on a 0.45 um process, this -1 speed grade device operates from dual 3.3V/5.0V supply rails at industrial temperatures (-40C to +85C), making it a proven single-chip ASIC alternative for 5V legacy systems. An FPGA (Field-Programmable Gate Array) is a semiconductor device containing a fabric of configurable logic blocks and programmable interconnects that engineers configure after manufacturing. Within the programmable logic hierarchy, the MX family sits under antifuse-based one-time-programmable FPGAs, which are predecessors of flash- and SRAM-based FPGA families and are widely used where design permanence, low cost, and instant-on behavior matter more than reprogrammability. Key features include the flexible 5.0V-tolerant MX architecture, 119 MHz system performance for this speed grade, one-time-programmable antifuse technology that removes configuration PROMs and eliminates configuration-readback security concerns, and a broad mix of I/O standards supporting legacy 5V bus interfacing. The antifuse fabric also delivers low net delays suitable for glue logic consolidation, state machines, and address decoding in high-volume products. Architecturally, the 42MX device combines combinatorial and sequential modules with dedicated routing, integrating multiple legacy PLDs into one low-cost device. The 176-TQFP surface-mount package offers a practical 0.5 mm pin pitch for standard SMT assembly while providing 140 user-accessible I/O for bus-wide designs. Typical applications include legacy PLD consolidation in industrial control, telecom line cards, avionics and defense upgrades of 5V systems, and high-volume embedded logic where the design is frozen at production. Its 5V I/O directly interfaces with TTL/5V CMOS devices without level shifters. Design consideration: because MX devices are one-time programmable, verify the bitstream thoroughly in simulation and on an equivalent device before programming production units; plan power sequencing for the dual 3.3V/5V rails per the datasheet guidelines.
A42MX16-1TQG176M - 24K Gate MX FPGA, 176-TQFP | Microchip
The Microchip Technology A42MX16-1TQG176M is a 24,000-gate MX family FPGA (field-programmable gate array) with 608 logic cells, 140 user I/O, and toggle rates of 119 MHz/198 MHz, housed in a 176-pin TQFP (24x24 mm) package rated for the -55C to +125C military temperature range. An FPGA is a semiconductor device containing a matrix of configurable logic blocks and programmable interconnects that the designer programs to implement custom digital logic. Within the programmable logic hierarchy, the MX family sits as a low-cost, high-volume programmable logic platform, an alternative to fixed ASICs and legacy PLD consolidation. The 42MX subfamily is built on a 0.45 um process with a flexible architecture that supports dual supply domains of 3.0V to 3.6V and 4.5V to 5.5V, which is unusual among FPGAs and directly addresses legacy 5V system integration. Key features include 24K system gates with 608 logic cells, 140 programmable I/O pins with gull-wing terminations, dual-voltage operation (3.3V core-compatible and 5V tolerant system rails), and military temperature grading (-55C to +125C TC) making the device suitable for defense and aerospace programs. The -1 speed grade provides 119 MHz/198 MHz timing performance, and the M suffix denotes the military screening flow. Architecturally, the MX family uses Microsemi's proven act-module fabric with combinational and sequential modules, dedicated flip-flops, and embedded boundary-scan (JTAG, TDI-TDO chain) programming support per the 40MX/42MX families datasheet. The single-chip ASIC-alternative positioning allows designers to integrate legacy PLD, glue logic, and state machines into one low-cost device without NRE charges. Typical applications include military and avionics glue logic, industrial control, legacy 5V system upgrades, communication interface bridging, and high-reliability embedded controllers where long-term availability and wide temperature operation matter more than cutting-edge density. Design consideration: the dual supply ranges require careful power-rail sequencing and decoupling; verify the 0.45 um process timing derating across the full military temperature range using the -1 speed grade figures in the manufacturer datasheet. This page synthesizes distributor availability, drop-in same-package alternatives, and practical design notes not consolidated in the manufacturer datasheet.
A42MX16-1VQG100 - 24K Gate Antifuse FPGA | Microchip
The Microchip Technology (formerly Microsemi/Actel) A42MX16-1VQG100 is a 24,000-system-gate antifuse FPGA from the MX family, delivered in a 100-pin TQFP package with 83 user I/Os. Operating from a 5.0V supply, the -1 speed grade variant targets cost-sensitive, high-volume designs requiring single-chip ASIC alternatives. An antifuse FPGA is a field-programmable gate array whose interconnect is permanently programmed at power-up initialization by blowing microscopic antifuse links. Unlike SRAM-based FPGAs, antifuse devices are non-volatile, one-time programmable, and require no external configuration memory. Within the programmable logic hierarchy (FPGA -> antifuse FPGA -> MX family -> A42MX16), this positions the device as a low-cost, secure platform for consolidating legacy PLDs and glue logic. Key features include a flexible 5.0V architecture tolerant of legacy 5V bus environments, low static power typical of antifuse technology, inherent design security because the programmed netlist cannot be read back, and instant-on operation with no configuration boot time. These attributes matter in industrial control, avionics, and defense programs where configuration immunity and supply-chain longevity outweigh reprogrammability. The MX architecture combines combinatorial and sequential logic modules with dedicated routing, supporting logic consolidation of multiple PLDs, PALs, and GALs into one device. Design entry and programming use Microchip Libero SoC design suite with Synopsys synthesis; programming is performed once via standard programmers, after which the device behaves as a fixed-logic ASIC. Typical applications include legacy PLD integration, industrial motor control interfaces, bridge logic between 5V microprocessors and peripherals, and mil-aero systems using previously qualified designs. Long-term availability is a hallmark of the MX family. Design consideration: the device is one-time programmable, so fully verify the design in simulation and, where possible, prototype on reprogrammable equivalents before committing production programming.
A42MX16-1VQG100I - 24K-Gate Antifuse FPGA, 100-TQFP | Microchip
The Microchip (Microsemi) A42MX16-1VQG100I is a member of the 42MX antifuse FPGA family, providing 24,000 system gates (608 logic cells) with 83 user I/O in a 100-pin VQFP/TQFP package measuring 14x14x1 mm. Fabricated on a 0.45 um CMOS process, it operates from a dual 3.3V/5V supply and achieves toggle rates of 119 MHz to 198 MHz depending on routing tier. The '-1' speed grade and 'I' suffix denote standard speed and industrial operating temperature range (-40C to +85C). An antifuse FPGA is a type of field-programmable gate array whose interconnects are permanently programmed at power-up programming time via antifuse links. Unlike SRAM FPGAs, antifuse programming is one-time and non-volatile, so the device retains its configuration with no external boot flash and inherently resists bitstream readback - a key reason the MX family serves as a single-chip ASIC alternative and legacy PLD consolidation platform. Within the power-management hierarchy of programmable logic, the MX family sits between simple CPLDs and high-density SRAM FPGAs. Key features include the flexible 5.0V-tolerant MX architecture, low cost per gate for high-volume production, no configuration PROM requirement, and security through non-readable programming. The 100-TQFP surface-mount package supports standard reflow assembly, and the industrial temperature rating suits harsh environments. Architecturally, the 42MX16 combines combinatorial and sequential logic modules connected through segmented antifuse interconnect, delivering deterministic timing without configuration-load transients. Performance tiers (119 MHz/198 MHz) reflect different routing resources. Typical applications include glue logic integration, industrial control, legacy ASIC/PLD replacement, military/aerospace subsystems requiring configuration security, and high-volume consumer boards where per-unit cost dominates. Design consideration: antifuse devices are one-time programmable - verify logic thoroughly in simulation and, ideally, on a companion deviice or emulation target before committing to production programming. Follow the DS2136 datasheet for power decoupling (0.1 uF per VCC pin) and JTAG boundary-scan programming requirements.
A42MX16-1VQG100M - MX FPGA 24K Gates 83 I/O | Microchip
The Microchip (Microsemi) A42MX16-1VQG100M is a member of the MX family of antifuse field-programmable gate arrays (FPGAs), providing 24,000 system gates with 83 user I/O in a 100-pin TQFP (VQG100) surface-mount package. The device implements 608 configurable logic blocks (CLBs) and supports system clock frequencies up to 108 MHz, operating from a nominal 3.3 V supply (3.0 V to 3.6 V range) within a flexible 5.0 V-tolerant architecture. An antifuse FPGA is a programmable logic device in which interconnects are permanently formed at programming time by a one-time antifuse element. Unlike SRAM-based FPGAs, the configuration is non-volatile, instant-on at power-up, immune to radiation-induced configuration upset, and inherently secure because the bitstream is physically programmed into the die rather than stored in external flash. This makes the MX family a reliable, single-chip ASIC alternative for high-volume, cost-sensitive systems. Key features include the low-cost, low-power MX architecture, design security through a physically programmed interconnect, instant-on operation with no configuration device required, and legacy PLD integration, allowing older PAL/GAL/CPLD designs to be consolidated into one device. The A42MX16 die offers a balance of capacity and cost between the A42MX09 and A42MX24/36 family members. Architecturally, the MX family combines combinational and sequential modules within each CLB, with a routing fabric of horizontal and vertical channels connected by antifuse elements. Design entry is performed in Microchip (Microsemi) Libero SoC tools, with synthesis to the MX fabric. Typical applications include glue logic consolidation, bus interface bridging, industrial control, mil-aerospace subsystems, and legacy redesigns where ASIC mask costs are unjustified and instant-on, tamper-resistant programmable logic is required. When designing with this device, remember the antifuse is one-time programmable: fix your design before committing the die, and verify I/O bank voltage compatibility with your 3.3 V system environment.
A42MX16-2PLG84 - 24K Gate FPGA, 84-PLCC | Microchip
The Microchip Technology A42MX16-2PLG84 is a CMOS field-programmable gate array (FPGA) from the 42MX family, providing 24,000 equivalent system gates with 608 configurable logic blocks (CLBs) and 72 user I/O in an 84-pin PLCC (J-lead) package. Fabricated on a 0.45 um process, the -2 speed grade supports a maximum toggle frequency of approximately 117 MHz and operates from a dual 3.3V/5.0V supply architecture. An FPGA is a reprogrammable semiconductor device whose logic function is defined by the designer rather than fixed at fabrication. As a member of the FPGA and programmable logic hierarchy, the MX family sits alongside CPLDs and ASICs as a single-chip integration platform; Microchip (formerly Microsemi and Actel) positions MX as a low-cost, high-volume ASIC alternative for consolidating legacy PLD designs. Key features include the 5.0V-tolerant MX architecture suited to replacing older 5V PLD systems, a reliable single-chip ASIC alternative with low NRE cost, and 72 flexible user I/O supporting both 3.3V and 5.0V signaling. The JESD-30 coded S-PQCC-J84 package simplifies socket-based prototyping and rework, making it popular for legacy board maintenance. Architecturally, the MX family combines combinational and sequential logic modules within each CLB, offering efficient logic mapping and predictable timing. Devices in the 42MX family support JTAG boundary scan testing per IEEE Standard 1149.1 on related family members, enabling board-level test coverage. Typical applications include legacy industrial control systems, communications equipment obsolescence management, glue-logic consolidation, and replacement of multiple discrete PLDs and SSI/MSI devices in long-lifecycle military and industrial programs. Design consideration: the MX family is a mature product line, so verify long-term supply status and consider the fuse-based versus SRAM programming model implications for configuration time and security before committing new designs.
A42MX16-2PLG84I - 24K Gate MX FPGA, 84-PLCC | Microchip
The Microchip Technology A42MX16-2PLG84I is an MX family Field Programmable Gate Array (FPGA) delivering 24,000 system gates with 72 user I/O in an 84-pin PLCC (J-Lead) surface-mount package. The -2 speed grade and industrial temperature range of -40C to +85C make it suited for long-lifecycle embedded systems. An FPGA (Field Programmable Gate Array) is a semiconductor device containing a fabric of configurable logic blocks and interconnects that the designer programs after manufacturing, sitting in the programmable-logic hierarchy between CPLDs and high-density SoC FPGAs. The Microchip (formerly Actel/Microsemi) MX family is a 5.0V-tolerant, antifuse-based one-time-programmable architecture, positioning it as a reliable single-chip ASIC alternative for integrating legacy PLD and glue-logic designs into a single low-cost device. Key characteristics include dual voltage supply operation (3V to 3.6V core and 4.5V to 5.5V I/O ranges per device documentation), one-time programmable antifuse technology that retains configuration without external boot memory, and 72 dedicated user I/O pins. Because the configuration is hard-wired at programming, the device is immune to configuration readback attacks and does not require a configuration PROM, improving system reliability and board BOM cost. The MX architecture combines efficient logic modules with dedicated routing resources, enabling designers to consolidate legacy PAL, GAL, and CPLD functions. As a mature high-volume platform, the A42MX16 is widely used in industrial control, aerospace/defense retrofits, telecommunications line cards, and medical equipment where design continuity matters more than leading-edge density. Typical applications include legacy PLD consolidation, bus-interface bridge logic, industrial automation control panels, and radiation-tolerant heritage system sustenance where the antifuse fabric provides instant-on, secure configuration. Design tip: because MX devices are one-time programmable, verify the design fully in simulation (Libero SoC tools) before programming; the -2 speed grade should be confirmed against your worst-case timing closure, or choose the faster -1 grade if timing margins are tight.
A42MX16-2PQG100I - 24K Gate FPGA, 83 I/O | Microchip
The Microchip Technology A42MX16-2PQG100I is a field-programmable gate array (FPGA) from the MX family, offering 24,000 system gates and 608 logic modules in a 100-pin PQFP (14x20x2.7mm) package. It operates at a maximum internal frequency of 129 MHz and an external I/O frequency of 215 MHz, fabricated on a 0.45um CMOS process with support for 3.3V and 5V I/O standards. The device provides 83 user I/O pins and is supplied in a tray. An FPGA is an integrated circuit that can be programmed after manufacturing to implement custom digital logic functions. FPGAs belong to the programmable logic device (PLD) family, which also includes CPLDs and SPLDs. They are used in a wide range of applications where flexibility, rapid prototyping, and field upgrades are required, bridging the gap between fixed-function ASICs and software-based processors. Key features of the A42MX16-2PQG100I include 24,000 system gates, 608 logic modules, 83 user I/Os, and support for multiple I/O standards including LVTTL, LVCMOS, and PCI. The device also features JTAG boundary-scan testing, in-system programmability, and low power consumption. The 0.45um technology provides a balance of speed and density, making it suitable for cost-sensitive applications. The MX family architecture is based on a sea-of-modules structure with a flexible routing fabric. It supports up to 100% resource utilization and offers predictable timing. The device includes dedicated clock networks and supports various configuration modes. The 100-pin PQFP package has a thermal resistance of approximately 40 C/W, requiring adequate airflow or heatsinking for high-power designs. Typical applications include industrial control, automotive electronics, communications infrastructure, and consumer electronics. The A42MX16-2PQG100I is often used to integrate multiple legacy PLDs into a single device, reducing board space and cost. Its 5V-compatible I/Os make it ideal for interfacing with older 5V logic families. When designing with this FPGA, ensure proper decoupling of the VCC and GND pins with 0.1uF capacitors placed close to the device. The JTAG pins should be terminated appropriately to avoid floating inputs during programming. Consider the I/O standards and drive strengths to match the connected logic levels. 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 A42MX16-2PQG100I.
A42MX16-2PQG160I - 24K Gate 5V FPGA 160-PQFP | Microchip
The Microchip Technology (formerly Microsemi/Microsemi Corporation) A42MX16-2PQG160I is a member of the 42MX FPGA family, delivering 24,000 system gates and 608 logic cells in a 160-pin PQFP (BQFP) package. It operates at up to 125 MHz system performance with dual 3.3V/5V supply support and an industrial temperature range of -40C to +85C. An FPGA (Field-Programmable Gate Array) is a semiconductor device containing a matrix of configurable logic blocks (CLBs) and programmable interconnects that engineers configure in the field after manufacturing. FPGAs sit within the programmable logic hierarchy alongside CPLDs and ASICs, offering a single-chip ASIC alternative for mid-volume designs. The MX family is specifically positioned for 5.0V legacy integration, allowing designers to consolidate legacy PLD/CPLD logic into one low-cost, high-reliability device. Key features include a flexible 5.0V-tolerant architecture, 125 user I/O in the 160-BQFP package, dual-voltage 3.3V/5V operation, and antifuse-based one-time-programmable (OTP) configuration that provides instant-on power-up, high radiation tolerance, and no external configuration PROM - a hallmark of the Microsemi MX product line. The 0.45um CMOS process implements the Actel antifuse programmable interconnect, delivering true single-chip operation with minimal standby power and superior resistance to configuration upset compared to SRAM-based FPGAs. Speed grade -2 supports internal toggle rates cited as 129MHz/215MHz in distributor data. Typical applications include legacy system consolidation, industrial control, military/aerospace upgrades, motor control glue logic, and 5V bus bridging where SRAM FPGA configuration storage is undesirable. Design consideration: as an OTP antifuse device, the design must be final before programming - plan programming via the Microchip FlashPro/Libero flow and verify I/O assignments against the 160-PQFP pinout before committing.
A42MX16-2PQG208I - 24K Gate MX FPGA, 140 I/O | Microchip
The Microchip Technology A42MX16-2PQG208I is a 24,000-system-gate MX family FPGA with 140 user I/O and a -2 speed grade, housed in a 208-pin plastic quad flat pack (PQFP/BFQFP) with 0.5 mm terminal pitch and industrial temperature rating (-40C to +85C, indicated by the I suffix). A field-programmable gate array (FPGA) is a semiconductor device containing configurable logic blocks (CLBs) and programmable interconnects that the designer wires together after manufacturing, occupying the middle of the programmable logic hierarchy between CPLDs and full ASICs. The Microchip (formerly Microsemi/Actel) MX family is a 5.0 V-tolerant antifuse-based FPGA platform positioned as a reliable, single-chip ASIC alternative for high-volume legacy PLD integration. Key features of the A42MX16-2PQG208I include 608 configurable logic blocks (CLBs), approximately 24,000 equivalent gates, a maximum clock frequency of about 56.16 MHz for this -2 speed grade, and dual supply ranges of 3V to 3.6V and 4.5V to 5.5V supported by the MX 5.0 V architecture. The lead-free, RoHS-oriented PQG208 package suits conventional surface-mount assembly. Technically, the MX family uses antifuse programmable interconnect, which is non-volatile and radiation-tolerant by nature: configuration is permanent at power-up, removing the need for an external configuration flash and improving SEU robustness versus SRAM FPGAs. The 42MX16 die sits mid-family, below the A42MX24 and A42MX36, sharing the same architecture and toolchain (Microchip Libero SoC). Typical applications include legacy 5V system consolidation, industrial control glue logic replacement, aerospace/military program migration from obsolete PLDs, and high-volume embedded control where single-chip ASIC cost is not justified. Design consideration: the 208-PQFP 28x28 mm body requires careful fanout; the industrial -40C to +85C rating of the I suffix must be preserved by keeping junction temperature within limits given the FPGA's static and I/O current. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet.
A42MX16-2TQG176I - 24K Gate 5V FPGA TQFP-176 | Microchip
The Microchip Technology A42MX16-2TQG176I is a member of the Actel/Microsemi 42MX FPGA family, delivering 24,000 system gates (608 logic cells / 1232 logic modules) with 140 user I/O in a 176-pin TQFP (24x24 mm) surface-mount package. It operates from dual supply rails of 3V~3.6V and 4.5V~5.5V across an industrial temperature range of -40C to +85C. An FPGA (Field-Programmable Gate Array) is a semiconductor device containing a matrix of configurable logic blocks (CLBs) interconnected by programmable routing, allowing designers to implement custom digital logic without fabricating an ASIC. Within the programmable logic hierarchy, the MX family sits as a low-cost, high-volume platform positioned as a reliable single-chip ASIC alternative and a consolidation vehicle for legacy PLD designs. Key features include an efficient, flexible 5.0V-tolerant architecture, 0.45um process technology, and maximum toggle/clock frequencies of 129 MHz and 215 MHz as cited by distributor data. The -2 speed grade with industrial (I) temperature rating makes this part suitable for environments without commercial-grade temperature guarantees. The device is lead-free per distributor listings. Technically, the A42MX16 provides 608 CLBs implemented in a CMOS antifuse-style architecture originally developed by Actel and continued by Microsemi and now Microchip. The MX family is designed for designers integrating multiple legacy PLDs, PALs, and GALs into one low-cost device, reducing board count, inventory SKUs, and assembly cost in high-volume production. Typical applications include legacy PLD consolidation, glue-logic integration, industrial control boards, and 5V-legacy system upgrades where newer low-voltage FPGAs cannot directly interface with 5V TTL buses. Design consideration: because this is a 5V/3.3V dual-rail architecture, verify power sequencing and I/O bank voltage compliance early in the design, and confirm one-time-programmability implications for field-update requirements before committing to the platform.
A42MX16-3PLG84 - 24K Gate 5V FPGA, 84-PLCC | Microchip
The Microchip (Microsemi) A42MX16-3PLG84 is an MX-family Field Programmable Gate Array (FPGA) providing 24,000 system gates with 608 usable logic cells, 72 configurable user I/O, and a flexible 3.3V/5.0V architecture in an 84-pin PLCC (J-lead) surface-mount package measuring 29.3 x 29.3 x 4.4 mm. The -3 speed grade supports internal clock rates up to 142 MHz and 237 MHz I/O toggle rates, and the device is fabricated on a proven 0.45 um process. An FPGA is a field-programmable logic device that implements digital circuits through a fabric of configurable logic modules, flip-flops, and programmable interconnect. Unlike ASICs, FPGAs are programmed in the field, making them ideal for low-volume production, prototyping, and legacy system maintenance. The MX family from Microsemi (now Microchip) targets designers seeking a reliable, single-chip ASIC alternative, particularly for consolidating legacy PLD designs into a single low-cost, high-volume device. Key features include the industry-proven 5.0V-tolerant architecture that simplifies integration into older 5V systems, dual 3.3V/5V supply operation, IEEE 1149.1 JTAG boundary scan support for board-level testing, and antifuse-based one-time programmability that delivers instant-on operation with no configuration PROM and high resistance to configuration corruption. The 84-PLCC J-lead package offers robust mechanical reliability and easy rework compared with fine-pitch BGAs. Typical applications include industrial control systems, telecommunications and networking line cards, military and avionics legacy upgrades, test equipment, and glue-logic consolidation of multiple PLDs, bus interfaces, and state machines into one device. The 5V I/O tolerance makes this part especially attractive for maintaining existing 5V backplanes and equipment designs. Design consideration: MX antifuse FPGAs are one-time programmable - verify logic thoroughly in simulation before programming, and plan a design flow in Microchip Libero SoC with proper constraint timing closure at the -3 speed grade.
A42MX16-3PQG100I - 24K Gate 5V FPGA 100-PQFP | Microchip
The Microchip Technology (formerly Microsemi/Actel) A42MX16-3PQG100I is a members of the 42MX family of antifuse-based field-programmable gate arrays, providing 24K system gates, 608 logic modules, and 83 user I/Os in a 100-pin PQFP (BQFP) package with 0.65 mm lead pitch. The -3 speed grade supports system toggle rates up to approximately 142 MHz / 237 MHz internal paths, and the industrial temperature variant (suffix I) is rated for -40C to +85C operation. An FPGA (Field-Programmable Gate Array) is a reconfigurable logic device that integrates thousands of programmable logic blocks and interconnects into a single chip. Within the programmable logic hierarchy (logic module -> FPGA -> programmable logic device -> semiconductor), the MX family occupies the high-reliability, single-chip ASIC-alternative niche: its antifuse programming is one-time, non-volatile, and inherently secure against readback. Key features include an efficient 5.0 V tolerant architecture that also supports 3.3V I/O operation, making it an ideal platform for consolidating legacy 5V PLD/CPLD designs into a single low-cost device. The antifuse fabric requires no configuration PROM, boots instantly at power-up, and offers very low static power consumption compared to SRAM FPGAs. The A42MX16 uses a 0.45 um CMOS antifuse process with a segmented routing architecture combining fast local and longer segmented lines. Microsemi's Designer software supports synthesis, place-and-route, timing analysis, and back-annotation compatible with all major simulators, cross-probed with the Silicon Explorer II verification tool. Typical applications include glue logic integration, legacy PLD consolidation, industrial control, aerospace/defense boards requiring instant-on non-volatile configuration, and high-volume embedded systems where a single-chip ASIC alternative is needed. The industrial-grade I variant suits factory automation and instrumentation environments. Design consideration: plan I/O banking carefully when mixing 5V and 3.3V signals, and account for the one-time-programmable nature of antifuse devices in your prototyping flow - verify designs in simulation thoroughly before programming.
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.