FPGA & CPLD
Products (6358)
A42MX24-PLG84M - 36K Gate FPGA, 84-PLCC | Microchip
The Microchip (Microsemi) A42MX24-PLG84M is a member of the Actel 42MX FPGA family, offering 36,000 equivalent system gates, 924 logic modules, and 72 user I/O in an 84-pin PLCC (PLG84) package. Fabricated on a 0.45 um CMOS process, the device operates from a 5.0V core with 3.3V/5V tolerant I/O support, making it a proven single-chip ASIC alternative for legacy and high-volume industrial designs. A field programmable gate array (FPGA) is a semiconductor device containing configurable logic blocks and interconnects that designers program in the field. Within the programmable logic hierarchy, the MX family sits as a fuse-based, antifuse-style, non-volatile programmable logic platform - an alternative to CPLDs and standard-cell ASICs for glue logic, legacy PLD consolidation, and moderate-density control functions. Key features include the MX 5.0V architecture with efficient routing, D-modules with wide-decode circuitry providing fast wide-input AND functions similar to CPLD architectures, and dual supply support (3.3V/5V). The 42MX family integrates legacy PLDs into a single low-cost device, reducing board area and component count in cost-sensitive systems. Architecturally, A42MX24 combines C-modules (combinational), S-modules (sequential with registers), and D-modules (wide decode) arranged to balance logic density and fast decode paths. The antifuse-style non-volatile programming means the device configures instantly at power-up with no external boot PROM, improving system reliability and security compared to SRAM FPGAs. Typical applications include industrial control and automation, legacy system redesign and BOM consolidation, glue logic integration, high-volume appliances, and military/aerospace upgrade programs where proven, radiation-tolerant-heritage programmable logic is valued. Design consideration: verify speed grade and temperature suffix in the full ordering code, and confirm PLCC through-hole/socket mounting constraints early, since PLCC packaging differs from modern surface-mount QFP/BGA footprints.
A42MX24-PQ160I - 36K Gate 5V FPGA 160-BQFP | Microchip
The Microchip Technology (formerly Actel/Microsemi) A42MX24-PQ160I is an MX family antifuse FPGA providing 36,000 system gates, 912 logic cells, and 125 user I/O in a 160-pin BQFP surface-mount package. The industrial-grade (I) suffix supports operation from -40C to +85C. An FPGA (Field-Programmable Gate Array) is a semiconductor device containing programmable logic blocks and interconnects that designers configure after manufacturing. The MX family belongs to the one-time-programmable (OTP) antifuse FPGA category, positioned within the broader programmable logic hierarchy: FPGA -> programmable logic device -> digital IC -> semiconductor. Unlike SRAM FPGAs, antifuse programming is permanent, radiation-tolerant by nature, and requires no configuration PROM, making MX devices a reliable single-chip ASIC alternative for high-volume systems. Key features include a flexible 5.0V-tolerant architecture with dual supply rails (3V to 3.6V core and 4.75V to 5.25V I/O per Microchip USA data), 0.45um antifuse process technology, and 125 programmable I/O supporting legacy 5V logic integration. The MX family enables consolidation of legacy PLDs, PALs, and glue logic into a single low-cost device, reducing board space and component count. The Actel antifuse architecture (R-Cell and C-Cell modular blocks) delivers deterministic routing and inherent security against design theft, since the programmed netlist cannot be read back. This makes the A42MX24 well suited to applications where IP protection and configuration immutability matter. Typical applications include industrial control systems, legacy 5V system migrations, aerospace and defense logic replacement, telecommunications interface boards, and high-volume consumer/industrial ASIC prototyping. The 160-BQFP package (28x28 mm) offers 0.65mm pin pitch for rework-friendly assembly. Design consideration: antifuse FPGAs are one-time programmable - fully verify your design in simulation (Libero SoC or Actel Designer toolchain) before programming, as no design iteration is possible on the same device.
A42MX24-PQG160A - 36K Gate 5V MX FPGA | Microchip Technology
The Microchip Technology (Microsemi) A42MX24-PQG160A is a 36,000-system-gate FPGA from the MX family, provided in a 160-pin PQFP (BQFP) surface-mount package with 125 user I/O. It operates from dual supply rails of 3V to 3.6V and 4.5V to 5.5V, supports a 135 MHz system speed grade, and is rated for -40C to +125C (TA) automotive environments. An FPGA (Field Programmable Gate Array) 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 hierarchy of programmable logic, FPGAs sit above CPLDs in density and flexibility, and the MX family specifically serves as a single-chip ASIC alternative: the 42MX devices integrate legacy PLD, glue-logic, and control functions into one low-cost, high-volume 0.45 um process device. Key features of the A42MX24 include 36K system gates with 912 logic cells, a flexible 5.0V-tolerant architecture that simplifies integration with legacy 5V systems, 125 user I/O, and industrial-plus temperature range suitable for automotive and harsh-environment deployments. The device is ROHS3 compliant and lead free, easing transition of mature 5V designs to current environmental standards. Architecturally, the MX family combines combinatorial and sequential logic modules with embedded routing resources, delivering deterministic performance of up to 135 MHz - adequate for legacy control, interface bridging, and state-machine applications. As a one-time or low-volume programmable platform, it eliminates NRE costs of full-custom ASICs while shortening the design and development cycle. Typical applications include legacy PLD consolidation, industrial control systems, 5V bus interfacing, automotive modules requiring -40C to +125C operation, and ASIC prototyping for the MX/AX architecture migration path. When designing with the A42MX24-PQG160A, respect the two-rail supply requirement (3V-3.6V core/I-O domain and 4.5V-5.5V domain) and follow the Microchip/Microsemi MX datasheet power-up sequencing and decoupling recommendations. Note the 10-week manufacturer lead time when planning production buys.
A42MX24-PQG160M - 36K Gate MX FPGA, 160-PQFP | Microchip
The Microchip Technology (Microsemi) A42MX24-PQG160M is a 36,000-system-gate antifuse FPGA from the 42MX family, providing 912 configurable logic blocks (CLBs), 125 user I/Os, and a maximum toggle frequency of 114.75 MHz, housed in a 160-pin PQFP (BQFP) package with gull-wing leads. An FPGA (Field-Programmable Gate Array) is a semiconductor device containing an array of programmable logic blocks and reconfigurable interconnects that the designer wires together to implement custom digital hardware. Within the product hierarchy, the A42MX24 belongs to the FPGA category under programmable logic ICs, positioned as a single-chip ASIC alternative for high-volume systems and legacy PLD integration. Key features include Microsemi's proven 0.45 um antifuse technology, which produces a one-time-programmable, non-volatile configuration that is inherently immune to configuration readback attacks and radiation-induced configuration upset. The device operates from a 5.0V supply with 3.3V-tolerant multiPlex I/O support, enabling mixed-voltage system designs. D-modules arranged around the die periphery provide wide-decode functions comparable to CPLD and PAL architectures, and a low-power mode reduces static consumption in standby. The architecture combines C-modules (8-input combinational logic), S-modules (sequential flip-flop logic), and D-modules (wide-decode), giving designers flexible mapping of state machines, decoders, and glue logic. Because the antifuse fabric is programmed permanently, there is no configuration PROM required at power-up, reducing bill-of-materials cost and boot time versus SRAM FPGAs. Typical applications include industrial control, automotive subsystems (the M-suffix automotive grade), communications bridging, bus interfacing including programmable PCI, and consolidation of legacy 5V PLD/CPLD designs into one low-cost device. Design consideration: the 5.0V core supply is mandatory; designers must respect the 114.75 MHz frequency ceiling and verify I/O voltage levels for 3.3V interfacing using the multiPlex I/O configuration options. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet.
A42MX24-PQG208A - 36K Gate MX FPGA, 176 I/O | Microchip
The Microchip Technology A42MX24-PQG208A is a field-programmable gate array (FPGA) from the MX family, offering 36,000 system gates and 912 logic modules in a 208-pin PQFP (plastic quad flat pack) package. It operates from a 5.0 V supply and provides 176 user I/Os, making it a reliable single-chip alternative to ASICs for integrating legacy PLDs into a low-cost, high-volume platform. An FPGA is an integrated circuit that can be configured by the customer or designer after manufacturing—hence "field-programmable." FPGAs contain a fabric of programmable logic blocks and interconnects, allowing them to implement arbitrary digital logic functions. They sit between fixed-function ASICs and general-purpose processors, offering flexibility and parallel processing capabilities. The MX family is a mature, 5.0 V architecture optimized for high-volume applications where cost and reliability are paramount. Key features of the A42MX24-PQG208A include 36,000 system gates, 912 logic modules, 176 user I/Os, and support for 5.0 V and 3.3 V mixed-voltage systems via MultiPlex I/Os. The device is fully compliant with the PCI Local Bus Specification (version 2.1), enabling direct interface to PCI buses without additional glue logic. It also features a low-power mode, making it suitable for power-sensitive designs. Technically, the MX family uses a 0.45 µm process technology and supports system speeds up to 135 MHz. The device includes dedicated clock networks and programmable I/O standards, allowing flexible integration into various system architectures. The 208-pin PQFP package provides a compact footprint while offering ample I/O for medium-density logic designs. Typical applications include industrial control, transportation systems, consumer electronics, and legacy PLD consolidation. The 5.0 V operation and PCI compliance make it ideal for interfacing with older 5 V logic families and PCI-based systems, while the low-power mode extends battery life in portable applications. When designing with this FPGA, ensure proper decoupling of the 5.0 V supply and follow the manufacturer's layout guidelines for the PQFP package to minimize signal integrity issues. The device supports in-system programming, allowing firmware updates without removing the component from the PCB. 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-PQG208A.
A42MX24-TQG176A - 36K Gate 5V FPGA, 176-TQFP | Microchip
The Microchip Technology (formerly Microsemi) A42MX24-TQG176A is a member of the 42MX family of antifuse-based field programmable gate arrays, delivering 36,000 system gates in a 176-pin thin quad flat package (TQFP) with 150 usable user I/Os. It operates from a single 5.0V supply, making it a proven platform for legacy 5V system integration and high-volume, cost-sensitive designs. An FPGA (field programmable gate array) is a type of programmable logic device that implements user-defined digital circuits through configurable logic blocks and programmable interconnects. Within the semiconductor hierarchy, it sits under programmable logic, alongside CPLDs and ASICs. The MX family uses Microsemi antifuse technology, a one-time-programmable interconnect that provides non-volatile, single-chip operation without external configuration devices. Key features include a flexible 5.0V architecture, 1890 logic cells organized into 912 configurable logic blocks (CLBs), and a maximum toggle-rate-oriented system performance suited to glue logic consolidation, legacy PLD integration, and industrial control. The antifuse fabric is inherently non-volatile and secure, with no bitstream to load at power-up, reducing BOM cost and configuration time compared to SRAM FPGAs. Technically, the MX architecture combines Combinatorial Modules and Register Modules, allowing efficient implementation of wide combinatorial functions and registered pipelines. The die is fabricated on a CMOS process, and the TQG176A package is a 176-lead TQFP, 24x24 mm body, 0.5 mm lead pitch, surface mount. Typical applications include legacy aerospace and industrial board redesigns, bus-interface logic consolidation, and single-chip replacements of multiple PLDs, PALs, and GALs in 5V systems. Design consideration: because the device is antifuse-based (one-time programmable), a programming service or programmer step is required before assembly; plan your design freeze and programming flow accordingly.
A42MX24-TQG176M - 36K Gate 5V MX FPGA, 176-TQFP | Microchip
The Microchip Technology A42MX24-TQG176M (originally Actel/Microsemi) is a member of the MX FPGA family, delivering 36,000 system gates with 912 logic cells in a 176-pin TQFP (LQFP) package offering 150 user I/O. It is fabricated on a 0.45um process and operates from 3.3V/5.0V supply rails, making it one of the few truly 5V-tolerant FPGA platforms available today. An FPGA (Field-Programmable Gate Array) is a class of programmable logic IC that implements user-defined digital circuits through configurable logic blocks and interconnect. Within the programmable logic hierarchy, the MX family sits as a single-chip ASIC alternative: unlike SRAM FPGAs it is non-volatile, and unlike antifuse families it is reprogrammable in-system. This positions MX as an ideal platform for integrating legacy PLDs, glue logic, and CPLDs into a single, low-cost, high-volume device. Key features of the A42MX24 include 36K system gates, dual-voltage 3.3V/5V operation, and D-modules with wide-decode circuitry around the device periphery that provide fast, wide-input AND functions similar to CPLD architectures, enabling efficient state machines and address decoding. The architecture combines C-modules and S-modules for flexible combinational and sequential logic mapping. Technically, the MX family uses a flexible 5.0V-tolerant fabric with 0.45um flash-based configuration storage, so designs retain their programming through power cycles without external configuration devices. The 176-TQFP package is a widely available gull-wing surface-mount format compatible with standard reflow assembly. Typical applications include industrial control systems, military and defense upgrades of 5V-era designs, legacy PLD consolidation, bus interfacing, and high-volume embedded systems where a reliable single-chip ASIC alternative is required. Design consideration: budget power distribution for the 3.3V/5V dual-rail requirements and verify I/O bank voltage assignments against the 40MX/42MX datasheet before pin locking.
A42MX36-1BGG272 - MX FPGA, 54K Gates, 272-BGA | Microchip
The Microchip Technology (Microsemi) A42MX36-1BGG272 is an MX family Field Programmable Gate Array (FPGA) in a 272-ball BGA package, offering 54,000 equivalent gates, 1184 Configurable Logic Blocks (CLBs), 2438 logic cells, 2560 total RAM bits, and 202 configurable user I/Os. The -1 speed grade supports a maximum clock frequency of 83 MHz. An FPGA (Field-Programmable Gate Array) is a semiconductor device containing programmable logic blocks and interconnects that designers configure after manufacturing. Within the programmable logic hierarchy, the MX family sits as a one-time-programmable antifuse FPGA - a single-chip ASIC alternative - under the broader category of programmable logic devices (PLDs), which also includes CPLDs and PLDs. Key features include Microchip's reliable antifuse architecture operating at 5.0V, which provides non-volatile, tamper-resistant configuration that is live at power-up with no external configuration PROM required. This makes MX devices ideal for integrating legacy PLD designs, glue logic, and bus interfaces into a single low-cost, high-volume device. The 272-ball BGA (JESD-30 BBGA) package provides high I/O density in a surface-mount footprint. The A42MX36 is the largest member of the 42MX family. It uses a CMOS process with a flexible routing fabric suited to state machines, address decoding, bus interfacing, and control logic. Design entry and programming use the Microchip (Microsemi) Libero SoC design suite. Typical applications include legacy ASIC/PLD consolidation, industrial control, military and aerospace systems (ceramic CQ208/CQ256 versions are screened to MIL-STD-883 levels), telecommunications line cards, and embedded system glue logic. Design consideration: the 5.0V core/I-O architecture requires a 5V power rail; verify I/O voltage compatibility with adjacent modern 3.3V or 2.5V devices and use appropriate level shifting or series resistors on mixed-voltage busses.
A42MX36-1PQG208 - 54K Gate FPGA, 176 I/O | Microchip
The Microchip Technology (Microsemi/Actel) A42MX36-1PQG208 is a 54,000-gate flash-based FPGA from the MX family, providing 1184 configurable logic blocks, 2560 logic modules, and 176 user I/O in a 208-pin BFQFP (PQFP) surface-mount package. It operates on a flexible 3.3V/5.0V mixed-voltage architecture with a -1 standard speed grade. An FPGA (Field-Programmable Gate Array) is a semiconductor device containing programmable logic blocks and interconnects that designers configure after manufacturing, offering a single-chip ASIC alternative. The MX family sits in the broader hierarchy of programmable logic devices (PLDs), bridging legacy CPLD/PLD integration and full ASIC development, and is a proven high-volume platform for consolidating legacy designs. Key features include MultiPlex I/O supporting mixed-voltage systems, programmable PCI compliance with the PCI Local Bus Specification version 2.1 at both 5.0V and 3.3V, a low-power mode, and embedded dual-port SRAM modules optimized for FIFO, LIFO, and scratchpad datapath functions. The A42MX36 also contains wide-decode modules for high-fan-in address decoding, and the PQ208 package is pin-compatible with the CQ208 ceramic package used in MIL-STD-883 screened versions. The device uses Actel's antifuse-style MX architecture (0.45um class CMOS process), delivering non-volatile, secure, single-chip configuration without external boot flash - a key reliability advantage for industrial and defense designs. Logic density is deployed through the Designer software and ACTgen Macro Builder for memory macro generation. Typical applications include legacy PLD consolidation, industrial control, glue-logic integration, PCI interface bridging, and mil/aero systems requiring the ceramic-package variant. The 5.0V-tolerant I/O makes it especially suitable for interfacing with legacy 5V buses. Design consideration: plan I/O banking carefully for mixed 3.3V/5.0V systems and verify timing at the -1 speed grade; use adequate decoupling on the multiple VCC/VCCA pins per the 40MX/42MX datasheet (DS2136) power guidelines.
A42MX36-2PQG208 - 54K Gate 5V FPGA PQFP-208 | Microchip
The Microchip Technology (Microsemi) A42MX36-2PQG208 is a 54,000-gate antifuse field programmable gate array (FPGA) from the 42MX family, packaged in a 208-pin fine-pitch plastic QFP (208-BFQFP, 28x28 mm) with 176 user I/Os. It operates from dual supply rails of 3V-3.6V (core) and 4.5V-5.5V (I/O), over the industrial temperature range of -40C to +85C. An FPGA (field programmable gate array) is a semiconductor device containing configurable logic blocks (CLBs), routing fabric, and I/O cells that designers program to implement custom digital circuits. The 42MX family belongs to the broader FPGA hierarchy: FPGA -> programmable logic device (PLD) -> programmable logic IC -> semiconductor. The MX family uses antifuse programming technology, providing a non-volatile, single-chip ASIC alternative with inherently high design security and no configuration PROM required. Key features include 1184 CLBs, 2560 bits of dual-port SRAM (256-bit blocks configurable as 32x8 or 64x4, cascadable into FIFO/LIFO buffers), a 0.45um CMOS process, and a -2 speed grade supporting system speeds around 91 MHz (per Microchip parametric data). The 5V-tolerant I/O architecture makes the device ideal for integrating legacy 5V PLD designs into a single low-cost, high-reliability chip. The antifuse fabric yields deterministic interconnect delays and is immune to configuration upsets from radiation compared with SRAM FPGAs, supporting aerospace, industrial, and defense applications. CQ208 ceramic package variants screened to MIL-STD-883 are pin-compatible with PQ208 plastic parts, enabling prototype-to-production conversion. Typical applications include legacy system redesign, glue logic integration, industrial control, and high-reliability embedded systems. Design with the Microchip Libero SoC and Designer software using ACTgen macro builder for memory functions. Note the 12-week manufacturer lead time when planning production buys.
A42MX36-3BGG272 - 54K Gate 5V FPGA, 272-ball BGA | Microchip
The Microchip Technology A42MX36-3BGG272 is a 54,000-equivalent-gate Field Programmable Gate Array (FPGA) from the MX (42MX) family, offering 1184 Configurable Logic Blocks (CLBs), 202 programmable I/O pins, and combinatorial delays of up to 1.9 ns, housed in a 272-ball BGA package. An FPGA is a semiconductor device containing an array of programmable logic blocks and reconfigurable interconnects that a designer can program in the field to implement custom digital circuits. FPGAs occupy a position in the digital IC hierarchy between fixed-function ASICs and microcontrollers, providing ASIC-like parallelism with NRE-free flexibility. The MX family is specifically positioned by Microchip as a reliable, single-chip ASIC alternative built on an efficient, flexible 5.0V architecture, making it an ideal platform for integrating legacy PLDs into a single, low-cost, high-volume device. Key features of the A42MX36-3BGG272 include its family-leading 54k gate capacity, 1184 CLBs of configurable logic, 202 user-programmable I/O, and fast 1.9 ns combinatorial delay for high-speed state machines and glue logic. The 5.0V supply architecture provides native compatibility with legacy 5V TTL/5V CMOS system environments that many modern, low-voltage FPGAs cannot directly interface with. Technically, the MX architecture uses a segmented routing fabric with combinational and sequential modules per CLB, verified over automotive and military temperature ranges per the Microchip (formerly Microsemi/Actel) 40MX/42MX datasheet. The largest family member, A42MX36, is additionally available in CQ208 and CQ256 ceramic packages screened to MIL-STD-883 levels; CQ208 and PQ208 devices are pin-compatible for prototyping-to-production conversion. Typical applications include legacy PLD consolidation, ASIC prototyping and emulation, 5V industrial control systems, military/aerospace upgrades, and telecommunications backplane glue logic. The 202 I/O count suits large bus interfacing, while 1.9 ns combinatorial delays support fast decode and arbitration logic. Design consideration: the 5.0V architecture is a deliberate feature for legacy 5V systems; for new low-voltage designs, current Microchip families are a better fit, so verify rail compatibility before finalizing the BOM. This page synthesizes distributor pricing, drop-in package-compatible alternatives, and practical design guidance not found in the manufacturer datasheet.
A42MX36-BGG272 - 54K-Gate 5V FPGA, 202 I/O 272-BBGA | Microchip
The Microchip (Microsemi) A42MX36-BGG272 is a 54,000 usable-gate MX-family FPGA with 202 user-programmable I/O pins, 2560 bits of configurable dual-port SRAM, and up to 250 MHz internal performance, housed in a 272-ball BGA (BBGA) package. It is the largest member of the 42MX family and serves as a reliable single-chip ASIC alternative. An FPGA (Field-Programmable Gate Array) is a semiconductor device that implements custom digital logic through programmable interconnect and configurable logic modules, sitting within the broader programmable-logic hierarchy: FPGA -> programmable logic device -> digital IC -> semiconductor. The Microchip/Microsemi MX family was designed specifically as a low-cost, high-volume platform for consolidating legacy PLDs, PALs, and glue logic into a single device operating at 5V. Key features include 3,000 to 54,000 system gates, up to 2.5 kbits of configurable dual-port SRAM with 5 ns access time, fast wide-decode circuitry, 5.6 ns clock-to-output, and 100 MHz FIFO capability. The device operates from dual supply rails of 3V to 3.6V (core/auxiliary) and 4.75V to 5.25V (I/O), allowing direct interface to legacy 5V TTL-level systems. The MX architecture uses a fine-grained, mux-based logic module that maps legacy schematics and PAL-style designs efficiently, with predictable timing across process corners. The A42MX36 supports both plastic 272-ball BGA packaging and, for the same die, CQ208/CQ256 ceramic packages screened to MIL-STD-883 levels for defense and aerospace programs, with pin-compatible PQ208/CQ208 options for prototype-to-production conversion. Typical applications include legacy 5V system obsolescence management, industrial control, defense electronics, test equipment, and ASIC prototyping where 5V I/O compatibility and long-term availability matter more than leading-edge density. When designing with this device, plan the dual-rail power sequencing and account for the BGA fanout; 202 usable I/O in a 272-ball footprint requires disciplined escape routing on at least 4 signal layers. This page synthesizes distributor pricing, same-family drop-in speed-grade alternatives, and practical design notes not found in the manufacturer datasheet alone.
A42MX36-CQ256BX130 - 54K Gate FPGA, 256-CQFP | Microchip
The Microchip Technology A42MX36-CQ256BX130 is a field-programmable gate array (FPGA) from the 42MX family, offering 54,000 system gates, 1,184 logic modules, and 202 user-programmable I/O pins in a 256-pin ceramic quad flat pack (CQFP) with tie bar. It operates at 5.0 V and 3.3 V, with a maximum internal clock frequency of 131 MHz and a clock-to-out delay of 5.6 ns. The device integrates 2.5 kbits of configurable dual-port SRAM and wide-decode circuitry, making it a reliable single-chip ASIC alternative for high-volume applications. An FPGA (field-programmable gate array) is an integrated circuit that can be configured by the customer after manufacturing to implement arbitrary digital logic functions. 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. They are used to prototype ASICs, implement glue logic, and accelerate data-path functions in systems ranging from industrial controllers to aerospace electronics. Key features of the A42MX36-CQ256BX130 include 202 user I/Os with MultiPlex I/O support for mixed-voltage systems, programmable PCI compliance (PCI Local Bus Specification version 2.1), and a low-power mode. The device provides 5.6 ns clock-to-out, 250 MHz performance, 5 ns dual-port SRAM access, and 100 MHz FIFO operation. It is fully compliant with the PCI Local Bus Specification (version 2.1) and supports both 5.0 V and 3.3 V operation. Technically, the A42MX36 is built on a 0.45 um CMOS process and contains 1,184 logic modules, each capable of implementing combinatorial and sequential logic. The embedded dual-port SRAM modules are optimized for high-speed datapath functions such as FIFOs, LIFOs, and scratchpad memory. The wide-decode modules enable fast address decoding and state-machine implementation. The device is available in ceramic packages screened to MIL-STD-883 levels for high-reliability applications. Typical applications include legacy PLD integration, bus interfacing, protocol conversion, and aerospace/defense systems requiring radiation-tolerant or high-reliability components. The 5.0 V architecture makes it ideal for interfacing with legacy 5 V logic families, while the 3.3 V capability supports mixed-voltage systems. The device is also used in industrial control, test and measurement, and communication infrastructure. When designing with this FPGA, consider the power supply decoupling: place 0.1 uF and 10 uF capacitors close to each VCC and GND pin to minimize switching noise. The device supports both 5.0 V and 3.3 V I/O, so ensure proper voltage translation for mixed-voltage interfaces. For high-speed designs, pay attention to signal integrity on the clock and data lines. 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 A42MX36-CQ256BX130.
A42MX36-FPQG208 - 54K Gate 5V FPGA, 208-QFP | Microchip
The Microchip Technology (Microsemi) A42MX36-FPQG208 is a 54,000-system-gate FPGA from the MX family, packaged in a 208-pin fine-pitch QFP (208-BFQFP, 28x28 mm) with 176 user I/Os and 2560 bits of embedded dual-port SRAM. Fabricated on a 0.45 um CMOS process, it operates on a flexible 3.3V/5.0V architecture targeted at legacy system integration. An FPGA (Field-Programmable Gate Array) is a semiconductor device containing a fabric of configurable logic blocks (CLBs), routing resources, and I/O cells that designers program in the field. Within the programmable logic hierarchy, the MX family sits as a single-chip ASIC alternative, bridging PLDs, CPLDs, and ASICs for high-volume, cost-sensitive designs. Key features include 1184 logic cells across 1184 CLBs, embedded dual-port SRAM modules optimized for FIFOs, LIFOs, and scratchpad memory, wide-decode modules, and selectable PCI output drives achieving 100% compliance with PCI specification version 2.1 (per the 40MX/42MX families datasheet). A low-power mode turns off all inputs and outputs, reducing current consumption below 500 uA. The MX architecture provides deterministic, antifuse-based one-time programmability, making it attractive for design security, single-event robustness considerations, and long-lifecycle industrial platforms. The 208-QFP surface-mount package supports conventional reflow assembly without ball-grid-array inspection overhead, easing prototyping and rework for legacy-form-factor boards. Typical applications include legacy PLD consolidation, industrial control glue logic, PCI bus interface logic, mil-aero-style long-lifecycle systems, and high-volume ASIC prototyping where 5V-tolerant I/O is required. Design consideration: as a one-time-programmable antifuse device, functional verification must be completed via simulation and (if available) emulation before programming; plan I/O banking carefully between 3.3V and 5V domains to respect drive and tolerance limits. Pricing and stock below are as of 2026-08-30.
A42MX36-PQG208A - 54K Gate 5V FPGA 208-QFP | Microchip
The Microchip Technology (formerly Microsemi/Actel) A42MX36-PQG208A is a member of the 42MX FPGA family, delivering 54,000 system gates and 1184 CLBs (2438 logic cells) in a 208-pin plastic quad flat pack (208-BFQFP/PQFP). It operates from a single 5.0V supply with 176 user I/Os and supports clock rates up to 116 MHz on 0.45 um CMOS technology. An FPGA (Field-Programmable Gate Array) is a semiconductor device containing a fabric of configurable logic blocks and programmable interconnects that designers configure in the field. Within the programmable logic hierarchy, the MX family sits as a cost-effective, single-chip ASIC alternative for high-volume systems, positioned above simple PLDs and below modern high-density FPGAs. Key features include the flexible 5.0V architecture ideal for integrating legacy PLDs into a single low-cost device, MultiPlex I/Os supporting mixed-voltage 5.0V/3.3V systems, programmable PCI compliance with the PCI Local Bus Specification version 2.1, and a low-power mode. The A42MX36 is the largest member of the 40MX/42MX families and is fully tested over automotive and military temperature ranges. The MX architecture uses a proven antifuse-based design flow with Libero SoC design tool support, enabling reliable, one-time programmable configurations immune to configuration-bit upsets in radiation-prone or high-vibration environments. High volume production makes MX a durable platform for long-lifecycle industrial programs. Typical applications include legacy 5V system integration, industrial control, MIL/aerospace upgrades using pin-compatible CQ208 ceramic packages, PCI bus interfaces, and single-chip replacement of multiple PLDs and glue logic. Design consideration: the 5.0V core supply is mandatory; plan power distribution and I/O banking for mixed 5.0V/3.3V operation, and verify pin compatibility between PQ208 and CQ208 packages when prototyping.
A42MX36-PQG208I - 54K Gate FPGA, 176 I/O PQFP-208 | Microchip
The Microchip Technology (formerly Actel/Microsemi) A42MX36-PQG208I is the largest member of the 42MX antifuse FPGA family, offering 54K system gates, 1184 logic cells, 176 user I/O, and 2560 bits of dual-port SRAM in a 208-pin Plastic Quad Flat Package (PQFP-208). Operating from 3.3V or 5.0V supplies with an industrial temperature range of -40C to +85C, it is fabricated on a 0.45um process with system speeds up to 79 MHz/131 MHz. An FPGA (Field-Programmable Gate Array) is a semiconductor device containing programmable logic blocks and interconnects that designers configure after manufacturing. The MX family uses antifuse programmability - one-time programmable connections that are inherently non-volatile, immune to configuration readback attacks, and require no external configuration ROM. This makes MX devices a reliable, single-chip ASIC alternative well suited to high-volume, cost-sensitive systems and legacy PLD integration. Key features include a flexible 5.0V-tolerant architecture, dual-port SRAM (2560 bits), multiple clock resources with hard-wired FIFO support, and JTAG boundary-scan testing. The antifuse interconnect provides routing comparable to ASIC metal layers with low parasitic capacitance, contributing to predictable timing. All MX devices are fully tested over automotive and military temperature ranges, and the A42MX36 is also available in CQ208 and CQ256 ceramic packages screened to MIL-STD-883 levels, with CQ208 and PQ208 devices pin-compatible for easy prototyping and conversion. Typical applications include industrial control, aerospace and defense logic glue, bridge logic, bus interfacing, high-volume embedded systems, and consolidation of legacy PAL/GAL/PLD devices into a single low-cost device. When designing with the A42MX36-PQG208I, plan I/O standards and power sequencing per the 40MX/42MX FPGA Families datasheet, and reserve design reuse headroom: the one-time-programmable antifuse fabric requires correct first-pass programming, so validate thoroughly in the pin-compatible ceramic CQ208 package before production commits.
A42MX36-PQG208IX39 - 54K Gate 5V FPGA PQFP-208 | Microchip
The Microchip Technology A42MX36-PQG208IX39 is a CMOS field-programmable gate array (FPGA) offering 54,000 equivalent gates, 1184 configurable logic blocks (CLBs), and 2438 logic cells, housed in a 208-pin plastic quad flat pack (PQFP-208) package. It supports a maximum toggle frequency of 72 MHz with a combinatorial CLB delay of 2.7 ns and belongs to the Actel-derived MX family built on a flexible 5.0 V architecture. An FPGA (field-programmable gate array) is a semiconductor device containing programmable logic blocks and interconnects that the designer configures after manufacturing. Within the programmable logic hierarchy, the MX family sits as a one-time-programmable, antifuse-based alternative to ASICs and legacy PLD integration, allowing designers to consolidate multiple legacy programmable devices into a single low-cost, high-volume chip. Key features include the 54K-gate capacity with dual-port SRAM modules optimized for FIFO and LIFO buffering, selectable PCI output drives enabling 100% compliance with PCI specification version 2.1, and a low-power mode that disables all inputs and outputs to reduce supply current below 500 uA. The IX39 ordering suffix denotes the industrial temperature screening, making the device suitable for extended-temperature operation. Architecturally, the MX family uses a 0.45 um CMOS process with a sea-of-modules fabric. The A42MX36, as the largest family member, contains embedded dual-port SRAM blocks and wide-decode modules suited to high-speed datapath functions such as FIFOs, LIFOs, and scratchpad memory, designed using the ACTgen Macro Builder in Microsemi designer software. Typical applications include legacy PLD consolidation, industrial control logic, glueless bus interfaces with PCI compliance, military and aerospace prototyping via the pin-compatible ceramic CQ208 variant, and high-volume embedded systems requiring long product lifecycle support. A key design consideration is the 5.0 V core architecture: while it simplifies legacy 5 V system integration, new low-voltage designs should evaluate level shifting. The PQ208 plastic package is pin-compatible with the CQ208 ceramic package, easing prototype-to-production conversion. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet, providing consolidated sourcing and engineering data as of 2026-08-30.
A42MX36PQ208-1M - 54K Gate FPGA | Microchip | 208-PQFP
The A42MX36PQ208-1M is a field-programmable gate array (FPGA) from Microchip Technology (formerly Actel/Microsemi), part of the 40MX and 42MX FPGA families. It provides 54,000 system gates, 1,184 logic modules, and 176 user I/Os in a 208-pin PQFP package. Operating at 3.3V/5V, it delivers up to 200 MHz on-chip performance and 6.1 ns clock-to-output delay, making it suitable for high-speed logic integration. An FPGA is an integrated circuit that can be configured by the customer after manufacturing to implement custom digital logic functions. FPGAs belong to the programmable logic device (PLD) family, which also includes CPLDs and SPLDs. They offer flexibility and rapid prototyping compared to ASICs, allowing designers to implement complex logic without the high NRE costs of custom silicon. The 40MX and 42MX families are known for their reliable, single-chip ASIC alternative capability, integrating legacy PLDs into a low-cost device. Key features include 54K gates, 1,184 cells, 176 user I/Os, and support for 3.3V and 5V operation. The device is fully compliant with the PCI Local Bus Specification (version 2.1), ensuring compatibility with standard PCI interfaces. It also includes IEEE Standard 1149.1 (JTAG) Boundary Scan Testing for efficient board-level testing. The 42MX36 devices feature fast wide-decode modules for improved performance in address decoding and other wide-input logic functions. Technically, the A42MX36PQ208-1M uses a 0.45um CMOS process, balancing speed and power consumption. The -1 speed grade indicates a specific performance bin, with 79 MHz/131 MHz typical operating frequencies. The PQFP-208 package provides a compact footprint for space-constrained designs while offering adequate thermal dissipation. The device supports both 3.3V and 5V I/O, enabling interfacing with legacy and modern logic families. Typical applications include PCI interface cards, industrial control systems, telecommunications equipment, and aerospace/defense electronics where reliability and long-term availability are critical. The MX family's non-volatile, flash-based architecture ensures instant-on operation and high security against reverse engineering, making it ideal for defense and secure communication systems. When designing with this device, consider the power supply decoupling: place 0.1uF and 10uF capacitors close to each VCC and GND pin to minimize noise. Also, ensure proper JTAG configuration for programming and testing. The device is lead-free and RoHS compliant, but verify specific compliance for your region.
A54SX08-1FG144 - 8K Gate SX FPGA 144-FBGA | Microchip Technology
The Microchip Technology A54SX08-1FG144 (originally Actel/Microsemi) is an SX-family antifuse FPGA with 8000 system gates, 768 logic modules, 111 user I/O, and a maximum clock frequency of 280 MHz, housed in a 144-ball fine-pitch BGA (FG144) package. It operates from a nominal 3.3V supply (3.0V to 3.6V range) using 0.35um CMOS process technology. An FPGA (Field-Programmable Gate Array) is a semiconductor device containing configurable logic blocks and interconnects that the designer programs to implement custom digital circuits. The SX family belongs to the one-time-programmable (OTP) antifuse class of FPGAs, a subcategory of programmable logic devices that sits alongside SRAM-based and flash-based FPGAs in the broader programmable logic hierarchy. Key features of the A54SX08-1FG144 include a sea-of-modules architecture delivering ASIC-like performance and integration, antifuse interconnect that is inherently non-volatile and immune to configuration readback (a security advantage over SRAM FPGAs), low static power consumption, and instant-on power-up with no external configuration PROM required. The 111 user I/O support common industrial interface standards, and the -1 speed grade balances performance with cost for mid-range timing budgets. Technically, the SX family uses the Actel C-cell and R-cell module structure: C-cells perform combinational logic while R-cells provide register functions, connected through a routing fabric programmed via antifuse elements. This architecture achieves deterministic, low-jitter routing delays that are attractive for timing-critical glue logic, bus bridging, and state-machine implementations. Because the configuration is stored in antifuses, the device retains its programmed function through power cycles without boot time, and it is resistant to configuration corruption from radiation or supply glitches compared to SRAM FPGAs. Typical applications include industrial control and automation, aerospace and defense systems, telecom line cards, bridge logic between incompatible bus standards, and design securement in systems where bitstream protection matters. Design considerations: the FG144 BGA requires careful PCB footprint design with via-in-pad or dog-bone fanout, and rework requires BGA reflow capability. Because this is a one-time-programmable device, verify logic thoroughly in simulation before programming; the -1 speed grade must be checked against your worst-case timing requirements. This page synthesizes distributor pricing, drop-in alternatives within the SX family, design guidance, and sourcing information not consolidated in the manufacturer datasheet.
A54SX08-1FG144I - 8K FPGA 111 I/O 144FBGA | Microchip
The Microchip (Microsemi/Actel) A54SX08-1FG144I is an 8,000-system-gate antifuse FPGA from the SX-A family with 512 logic cells, up to 240 MHz system performance, 111 user I/Os, and dual 3.3 V / 5 V supply operation, housed in a 144-ball Fine-Pitch Ball Grid Array (FBGA) package and rated for the industrial temperature range of -40C to +85C. An FPGA (Field-Programmable Gate Array) is a semiconductor device that implements custom digital logic through programmable interconnect and logic blocks configured at power-up or via a programming file. Within the power-management hierarchy of a digital system, the FPGA sits between general-purpose processors and fixed-function ASICs, offering ASIC-like performance without NRE costs. The SX family uses a sea-of-modules antifuse architecture, where one-time-programmable antifuse switches create connections, delivering ASIC-like speed, low power, and inherent resistance to configuration readback compared with SRAM FPGAs. Key features include the deterministic, high-performance antifuse fabric rated at up to 240 MHz, 0.35 um CMOS process technology, and wide 3.3 V / 5 V dual supply support that eases integration into legacy industrial systems. The industrial-grade I suffix (-40C to +85C) supports harsh-environment deployments, and the 144-ball FBGA provides a compact surface-mount footprint with 111 available user I/Os. Technically, the SX sea-of-modules architecture replaces the segmented routing of typical SRAM FPGAs with short, fast local interconnect, so critical paths are shorter and timing is highly predictable after place-and-route. Because antifuse programming is permanent, the device does not require an external configuration flash, reducing board BOM count and eliminating configuration-bitstream security exposure. Typical applications include industrial control and automation, glue logic consolidation and ASIC prototyping, communications line-card interface logic, and aerospace/defense sub-systems where one-time programmability is valued. Design consideration: antifuse FPGAs are one-time programmable, so fix design bugs before programming production parts and reserve engineering spare capacity; verify I/O banking rules against the 3.3 V / 5 V mixed-voltage plan. This page synthesizes distributor data, same-package drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
A54SX08-1FGG144 - 8K Gate FPGA, 144-FBGA | Microchip
The Microchip Technology (Actel/Microsemi) A54SX08-1FGG144 is an antifuse FPGA from the SX family delivering approximately 8,000 usable gates with 512 logic cells, up to 280 MHz system performance, and 111 user I/O in a 144-ball FBGA package. It is fabricated on a 0.35 um process, operates from 3.3V core supply with 5V-tolerant I/O capability, and is lead free. An antifuse FPGA is a field programmable gate array whose interconnect elements are one-time programmable (OTP) antifuse cells rather than SRAM configuration memory. Because there is no configuration bitstream to load at power-up, antifuse FPGAs are inherently instant-on, immune to configuration bit-stream corruption, and offer lower static configuration overhead than SRAM-based FPGAs. Within the programmable logic hierarchy, the SX family sits under the Actel/Microsemi (now Microchip) FPGA portfolio, alongside SX-A, eX, ProASIC, and RTAX space-grade families. Key features of the A54SX08 include the highest logic density per I/O in its class at the time of introduction, a low-cost one-time-programmable fabric, FastConnect routing delivering 0.4 ns maximum pin-to-pin propagation on direct paths, and a 3.3V core with 5V-tolerant inputs. The -1 speed grade denotes the standard industrial performance bin of the family. Architecturally, the SX family combines Combinatorial Modules (CMs) and Register Modules (RMs) arranged in clusters, connected by DirectConnect, FastConnect, and segmented/high-drive routing resources. This structure yields deterministic, short interconnect delays suited to high-speed state machines, sequencers, and glue logic. Because antifuse programming is permanent, the device resists reverse engineering better than SRAM alternatives. Typical applications include aerospace and defense glue logic, industrial control sequencers, bus interface bridging, and legacy system life-cycle replacement where instant-on, single-chip configuration is required. Design consideration: as an OTP device, functionality cannot be reprogrammed after assembly, so full post-layout timing verification is mandatory before programming. Antifuse programming yield should also be considered in production planning. This page synthesizes distributor availability data, same-family drop-in alternatives, and practical design notes not found in the manufacturer datasheet. Pricing as of 2026-09-03 requires quotation from XAIPART.
A54SX08-1FGG144I - 12K Gate FPGA 144-FBGA | Microchip
The Microchip Technology (Actel) A54SX08-1FGG144I is a nonvolatile SX-family FPGA with 12,000 system gates, 768 logic elements, 111 user I/Os, and up to 280 MHz performance, housed in a 144-ball Fine-Pitch Ball Grid Array (FBGA/FGG144) package for industrial temperature applications. A field-programmable gate array (FPGA) is an integrated circuit that can be configured by the end user to implement custom digital logic. Within the FPGA hierarchy, the SX family belongs to the antifuse-based, one-time-programmable class of FPGAs, sitting under the broader categories of programmable logic devices and embedded semiconductors. Because the configuration is stored in antifuse elements rather than volatile SRAM, SX devices retain their programming through power cycles and need no external boot flash. Key features include a sea-of-modules architecture that delivers higher gate density and faster interconnect than SRAM FPGA architectures of the same era, 0.35 um process technology, dual 3.3V core / 5V tolerant I/O operation, and 280 MHz system capability. The 111 user I/Os in a compact 0.5 mm-pitch 144-ball package make it suitable for space-constrained industrial boards. Technically, the A54SX08 provides 512 logic cells organized in C-cells and R-cells, with the dedicated Routing interconnect matrix delivering predictable, low-skew timing. Speed grade -1 denotes the standard speed bin within the family. The industrial (I) temperature variant supports extended-temperature embedded deployments, and the part is offered lead-free. Typical applications include industrial embedded control, glue logic consolidation, communication interface bridging, aerospace-adjacent industrial systems, and legacy design sustainment where nonvolatile, instant-on FPGA behavior is required. When designing with this device, note that it is one-time-programmable: programming errors cannot be erased in the field, so verify the design thoroughly before final programming and plan spare I/O and gates for future revisions. This page synthesizes verified distributor data, drop-in same-family alternatives, pricing tiers, and practical design notes not found in the manufacturer datasheet.
A54SX08-1PQG208 - 8K Gate SX FPGA, 280MHz, PQFP-208 | Microsemi
The Microsemi Corporation (Microchip Technology) A54SX08-1PQG208 is an 8,000-gate Actel SX-family antifuse Field Programmable Gate Array (FPGA) delivering up to 280 MHz system clock frequency, 130 user I/O, and dual-supply operation at 3.3V/5V, housed in a 208-lead Plastic Quad Flat Pack (PQFP/BFQFP) surface-mount package. It is a commercial-temperature-grade (0C to +70C) member of the SX sea-of-modules FPGA family. An antifuse FPGA is a one-time-programmable (OTP) programmable logic device whose interconnects are permanently formed during programming. Unlike SRAM-based FPGAs from the broader voltage-regulator-to-power-management hierarchy of programmable semiconductors, antifuse devices retain their configuration through power cycles without any external configuration memory, offering inherent resistance to configuration corruption, lower static power, and very low design-security risk. Key features of the A54SX08 include the Actel sea-of-modules architecture built on a 0.35um CMOS process, 512 logic cells organized in logic modules, a maximum toggle/system frequency of 280 MHz, and 130 programmable I/O pins. The dual 3.3V/5V supply architecture allows interface with legacy 5V systems while running core logic at 3.3V, a significant advantage in industrial retrofit and mixed-voltage applications. Technically, the SX family uses a high-performance logic module (LM) array rather than a lookup-table fabric, which gives predictable, deterministic timing per module - closer to a masked gate array in behavior. Routing delay is minimized by the sea-of-modules structure, and the antifuse interconnect adds negligible capacitive loading compared with pass-transistor switch fabrics, supporting the family's 280 MHz ceiling. Typical applications include industrial control and automation glue logic, 5V legacy system interface and bus bridging, military/aerospace heritage board respins where OTP configuration security matters, and high-reliability single-event-latchup-resistant designs in harsh environments. When designing with this part, remember it is one-time programmable: lock your HDL design, verify it in the Libero/Designer toolchain, and order programmed devices from Microchip's programming service or use a compatible programmer - there is no in-circuit reconfiguration. This page synthesizes verified distributor data (DigiKey, Mouser, Octopart), drop-in alternatives, and practical design notes not found in the manufacturer datasheet. Pricing references are as of 2026-09-03.
A54SX08-1PQG208I - 8K Gate SX FPGA, 280MHz, PQFP-208 | Microsemi
The Microsemi (now Microchip Technology) A54SX08-1PQG208I is an SX-family antifuse FPGA with 8,000 equivalent gates, 512 logic cells, 130 user I/Os, and a maximum toggle frequency of 280 MHz, fabricated on a 0.35 um CMOS process and housed in a 208-pin plastic quad flat pack (PQFP/BFQFP) package. It operates from dual 3.3V/5V supply rails with a stated supply range of 3V to 3.6V (core) and 4.75V to 5.25V (I/O), and the I suffix designates the industrial temperature grade. 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. Within the programmable logic hierarchy, the A54SX08 belongs to the low-cost, low-power antifuse FPGA category: unlike SRAM FPGAs, antifuse configuration is one-time programmable, giving it inherent resistance to configuration readback and radiation-induced configuration upsets. Key features include the SX family sea-of-modules architecture with high-speed dedicated carry logic, a 0.35 um antifuse CMOS process, and a 208-pin fine-pitch quad flat pack measuring 28x28 mm. The device reaches 280 MHz internal performance while consuming low static power, and the 130 user I/Os support both 3.3V and 5V signaling, easing integration into legacy 5V systems. Architecturally, the SX family uses a module-based fabric (C-cells and S-cells) with predictable, fast interconnect, delivering ASIC-like density and timing in a programmable part. The antifuse switch adds negligible parasitic capacitance compared with pass-gate SRAM routing, which is why this family achieves its clock rates at relatively small gate counts. Typical applications include glue logic consolidation, bus interface and bridge functions, industrial control sequencers, communications protocol handlers, and defense/aerospace subsystems that value the one-time-programmable, configuration-volatile-free nature of antifuse FPGAs. When designing with this part, budget power and I/O assignments carefully in the Libero/M Designer software flow, and verify 5V-tolerant I/O banks against your board topology since the device supports dual-rail operation. This page synthesizes verified distributor data, drop-in same-family alternatives, pricing tiers, and practical design notes not found in a single manufacturer datasheet.