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A42MX36-3BGG272

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.

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A42MX36-BGG272

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.

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A42MX36-CQ256BX130

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.

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A42MX36-FPQG208

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.

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A42MX36-PQG208A

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.

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A42MX36-PQG208I

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.

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A42MX36-PQG208IX39

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.

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A42MX36PQ208-1M

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.

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A54SX08-1FG144

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.

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A54SX08-1FG144I

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.

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A54SX08-1FGG144

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.

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A54SX08-1FGG144I

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.

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A54SX08-1PQG208

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.

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A54SX08-1PQG208I

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.

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A54SX08-1TQG144

A54SX08-1TQG144 - 8K Gate SX FPGA, 113 I/O, TQFP-144 | Microsemi

The Microsemi (Microchip) A54SX08-1TQG144 is an 8,000-gate Actel SX-family antifuse FPGA with 768 logic cells, 113 user I/O, up to 280 MHz system performance, and a 144-pin TQFP (20x20 mm, 0.5 mm pitch) surface-mount package operating from 3.3V/5V supplies. A Field Programmable Gate Array (FPGA) is a semiconductor device containing a fabric of configurable logic blocks and programmable interconnects that designers configure in the field to implement custom digital circuits. Within the programmable logic hierarchy, the FPGA sits above CPLDs and PAL/GAL devices, offering higher gate counts and register-rich architectures. The Actel SX family is distinctive because it uses antifuse programming: one-time programmable connections that retain configuration through power cycles with no external configuration memory required. Key features of the A54SX08-1TQG144 include the SX sea-of-modules architecture delivering 280 MHz-class performance, a 0.35 um CMOS process, 113 user I/O in a compact 144-TQFP footprint, and single-chip antifuse configuration that eliminates the boot-time and configuration-store complexity of SRAM FPGAs. The -1 speed grade denotes the standard speed bin of the SX family. Technically, the SX family's sea-of-modules architecture provides a high ratio of usable registers to gates, which benefits high-speed state machines, bus interfacing, and glue-logic consolidation. Antifuse interconnect also yields low static power and inherent resistance to configuration upset, a property that made SX devices popular in industrial, communications, and aerospace-adjacent designs. Typical applications include industrial control and automation, bridge and interface logic between incompatible bus standards, high-speed state machines, and redesign/obsolescence replacement of older ASIC or PAL/PLD circuits where a proven 5V-tolerant, non-volatile FPGA is preferred. Design consideration: because the device is one-time programmable, verify the design fully in simulation before programming; plan I/O assignments against the 144-TQFP pinout early, and budget power for 3.3V core/5V-tolerant I/O conditions per the SX family datasheet. This page synthesizes distributor pricing, drop-in alternatives from the same SX family, and practical design notes not found in the manufacturer datasheet, as of 2026-09-03.

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A54SX08-1TQG144I

A54SX08-1TQG144I - 8K-Gate Antifuse FPGA, 280MHz | Microsemi

The Microsemi A54SX08-1TQG144I is an 8,000-gate Actel SX-family antifuse FPGA with 512 logic cells, up to 280 MHz system performance, and 113 user I/O, housed in a 144-pin TQFP (20x20 mm) surface-mount package rated for -40C to +85C industrial operation. An antifuse FPGA is a type of field-programmable gate array whose interconnects are permanently configured by programmable antifuse elements rather than SRAM configuration cells. Within the programmable logic hierarchy (FPGA -> programmable logic device -> semiconductor), antifuse devices occupy the one-time-programmable (OTP) niche, offering non-volatility, immunity to configuration readback, and very low standby power in exchange for a single programming cycle. Key features of this device include the sea-of-modules Actel SX architecture built on a 0.35 um CMOS process, dual supply operation of 3.3V (3V to 3.6V core) and 5.0V (4.75V to 5.25V) I/O, and the -1 speed grade supporting toggle rates up to 280 MHz. The 113 user I/O pins support both 3.3V and 5V signaling, simplifying integration into legacy 5V industrial systems. Architecturally, the SX family combines C-cell (combinational) and R-cell (sequential) modules in a fine-grained sea-of-modules array, delivering gate-density efficiency and deterministic routing delays closer to a gate array than a typical SRAM FPGA. Programming is performed post-assembly via the antifuse network, eliminating the need for external configuration memory such as a serial flash, which improves system reliability and reduces board area. Typical applications include industrial control and automation, glue-logic consolidation in mixed 3.3V/5V systems, aerospace and defense sub-systems requiring non-volatile instant-on logic, and communication equipment backplanes where configuration readback must be impossible for security reasons. When designing with the A54SX08-1TQG144I, remember the OTP nature: the functional design must be final before programming, so use the Libero/Designer flow with thorough simulation. Power the 5V I/O bank within the 4.75V to 5.25V window to guarantee valid logic levels. This page synthesizes verified distributor specifications, same-package drop-in alternatives, and practical design notes not found in the manufacturer datasheet, with pricing as of 2026-09-03.

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A54SX08-1TQG176

A54SX08-1TQG176 - 8K Gate Antifuse FPGA 176-TQFP | Microsemi

The Microsemi (Microchip) A54SX08-1TQG176 is an SX-family antifuse FPGA providing 8K typical gates (12,000 system gates), 512 logic cells, and 128 user I/O in a 176-pin TQFP (24x24 mm) package, with a specified toggle rate of up to 280 MHz and dual 3.3 V / 5 V supply operation. A field-programmable gate array (FPGA) is a semiconductor device containing a matrix of configurable logic blocks and programmable interconnects that designers configure in the field after manufacturing. FPGAs sit above fixed-function ASSPs in the programmable logic hierarchy (FPGA -> programmable logic device -> digital IC -> semiconductor). The SX family uses a one-time-programmable antifuse architecture, meaning configuration is permanent, non-volatile, and immune to configuration-upset issues that affect SRAM FPGAs. Key features include 0.35 um CMOS antifuse technology for non-volatile, instantly-on configuration; dual-rail supply supporting both 3.3 V (3.0-3.6 V) and 5 V (4.75-5.25 V) I/O environments; 768 logic array blocks (LABs) providing usable logic density equivalent to 12,000 system gates; and a low-cost 176-TQFP surface-mount package with 128 available user I/O pins. Architecturally, the SX family organizes logic into modules within logic array blocks, connected through a segmented routing fabric. The -1 speed grade supports internal toggle rates up to 280 MHz in typical designs, sufficient for glue logic, state machines, bus bridging, and moderate-speed datapath functions. Typical applications include industrial control and automation boards, legacy aerospace and defense system sustainment, telecommunications line-card glue logic, and embedded system bus interfacing where instant-on, non-volatile configuration is required. A key design consideration is that antifuse FPGAs are one-time programmable: design changes require a new physical device, and designer verification (via Actel/Microsemi Libero-style toolchains) must be complete before programming. This page synthesizes verified distributor data, drop-in alternatives within the same 176-TQFP footprint, and practical design notes not consolidated in the manufacturer datasheet.

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A54SX08-1TQG176I

A54SX08-1TQG176I - 12K-Gate SX FPGA, 176-TQFP | Microsemi

The Microsemi (Actel) A54SX08-1TQG176I is an SX-family antifuse Field Programmable Gate Array (FPGA) with 12,000 system gates, 512 logic cells (768 logic array blocks), and 128 user I/Os, housed in a 176-pin TQFP (24x24 mm) package rated for the industrial temperature range. An FPGA is a programmable logic device that implements custom digital circuits by configuring a fabric of logic blocks and interconnect. The SX family belongs to the higher tier of the Actel/Microsemi FPGA hierarchy, sitting above the ACT-series FPGAs and using a sea-of-modules antifuse architecture that delivers application-specific-IC-like performance and routing density in a one-time-programmable device. Unlike SRAM FPGAs, the antifuse configuration is non-volatile, radiation-tolerant by nature, and requires no configuration PROM, simplifying the bill of materials and improving design security. Key features include a 0.35 um process technology with toggle rates up to 280 MHz, dual supply voltage operation (3.0 V to 3.6 V core and 4.75 V to 5.25 V I/O per Microchip USA data), and 128 programmable user I/Os configurable for interfacing with 5 V-tolerant peripheral systems. The -1 speed grade balances performance with power, and the industrial I-suffix rating supports operation in harsh environments. The sea-of-modules architecture uses two module types, combinational and sequential, in an 8:2 ratio, providing efficient implementation of both wide and narrow logic functions with predictable, low-skew timing. Because routing is fixed at programming time via antifuse links, the device exhibits deterministic interconnect delays that simplify static timing analysis. Typical applications include industrial control and automation, communications and networking glue logic, bridge and interface logic, and defense/aerospace embedded control where one-time programmability and configuration immunity are valued. Design consideration: as a one-time-programmable antifuse device, functional errors cannot be re-fixed in the field, so complete simulation with the Libero/Designer flow is mandatory before programming. This page synthesizes distributor data, family drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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A54SX08-1VQG100I

A54SX08-1VQG100I - 8K Gate SX FPGA 100-TQFP | Microsemi

The Microsemi (now Microchip Technology) A54SX08-1VQG100I is an SX-family field programmable gate array (FPGA) featuring 8K gates, 512 logic cells, and system-level toggle rates up to 280 MHz, housed in a 100-pin TQFP (VQFP, 14x14 mm) package with 81 user I/O and an industrial temperature grade suffix. An FPGA is a type of programmable logic device (PLD) that implements digital logic through configurable interconnect and logic blocks programmed by the designer, sitting above fixed-function ASICs in flexibility and below general-purpose processors in abstraction. Within the hierarchy of digital ICs, the Actel SX family belongs to the antifuse-based, one-time-programmable FPGA class, where configuration data is permanently stored in antifuse elements rather than SRAM cells. Key features include the SX sea-of-modules architecture delivering ASIC-like performance, dual supply voltage operation (3.0V to 3.6V core region and 4.75V to 5.25V I/O region per the 3.3V/5V dual-supply scheme), and a 0.35um process technology. The one-time-programmable antifuse fabric makes the device non-volatile, secure against readback, and immune to configuration errors at power-up, which differentiates it from SRAM FPGAs such as the Xilinx XC4000 or Altera FLEX families. Architecturally, the sea-of-modules structure provides high logic density and predictable timing: the 512 combinational and sequential cells connect through a routing fabric optimized for high fan-out, enabling the 280 MHz maximum toggle frequency. The 81 user I/O pins support the 5V-compatible signaling standards required in legacy industrial and avionics systems. Typical applications include industrial control and automation, glue logic integration, high-reliability power-up-critical control logic, and communication backplane interfaces where one-time programmability and 5V I/O tolerance remain design requirements. Design consideration: because antifuse programming is irreversible, verify the design fully in simulation and with the Actel/Microchip Libero design flow before programming production units. This page synthesizes distributor availability, same-family drop-in package-compatible alternatives, and practical design notes not consolidated in the manufacturer datasheet.

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A54SX08-2FG144

A54SX08-2FG144 - 8K-Gate SX FPGA 320MHz 144-FBGA | Microchip

The Microchip Technology (Actel) A54SX08-2FG144 is an antifuse-based FPGA from the SX-A family delivering 8,000 equivalent system gates (12,000 system gates per distributor data) implemented in 768 configurable logic blocks (512 logic cells), with up to 111 user I/Os and a maximum toggle rate of 320 MHz, housed in a 144-ball fine-pitch BGA (FBGA) package measuring 12 x 12 mm with a 1.00 mm ball pitch. A Field Programmable Gate Array (FPGA) is a semiconductor device containing a matrix of configurable logic blocks and programmable interconnects that the designer wires together to implement custom digital hardware. Within the programmable logic hierarchy, the FPGA sits above CPLDs and SPLDs, and the antifuse-based SX-A subfamily belongs to the one-time-programmable (OTP) class of FPGAs, which retain their configuration permanently and need no configuration ROM or boot sequence. Key differentiating features include the sea-of-modules architecture, which achieves pin-to-pin propagation delays as low as 0.4 ns on FastConnect paths; dual 3.3V/5.0V supply operation supporting mixed-voltage system designs; and nonvolatile antifuse programming, which eliminates configuration time, reduces bill-of-materials cost, and provides inherent resistance to configuration corruption and radiation-induced configuration upsets compared with SRAM FPGAs. Technically, the device is fabricated in a 0.35 um CMOS process and uses DirectConnect, FastConnect, segmented routing, and high-drive routing resources to balance speed and routability. The '-2' speed grade offers the family's fastest timings, and the trade-off for this performance is OTP flexibility: logic changes require a new device rather than a reflash, so designs must be fully verified before production. Typical applications include high-performance glue logic consolidation, bus interfacing and bridge functions, industrial control state machines, communications line cards, and military/aerospace subsystems where antifuse immutability is an advantage. Designers should budget I/O assignment carefully, since OTP devices cannot be reprogrammed; use the Libero SoC design flow from Microchip for synthesis, place-and-route, and timing sign-off at the -2 speed grade. This page synthesizes distributor availability data, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet, with verified data as of 2026-09-03.

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A54SX08-2FG144I

A54SX08-2FG144I - 8K Gate SX FPGA, 144-FBGA | Microchip

The Microchip (Microsemi/Actel) A54SX08-2FG144I is an 8,000-system-gate antifuse FPGA from the SX family, delivering 512 logic cells, 768 logic modules, system performance up to 320 MHz, and 111 user I/O in a 144-ball fine-pitch BGA (FG144) package, specified for the industrial temperature range of -40C to +85C. A field-programmable gate array (FPGA) is a semiconductor device that implements configurable digital logic through programmable interconnect and logic blocks. Within the programmable logic hierarchy, the SX family sits in the one-time-programmable (OTP) antifuse FPGA category, positioned below high-density families such as SX-A and RTAX, and competes with low-density SRAM FPGAs and CPLDs. Its sea-of-modules architecture provides a fine-grained fabric suited to high-speed glue logic, state machines, and bus interface functions. Key features of the A54SX08-2FG144I include the antifuse interconnect technology manufactured on a 0.35 um CMOS process, dual voltage supply operation at 3.3V and 5V, and a -2 speed grade supporting toggle rates up to 320 MHz. Because the configuration is stored in antifuse elements, the device is nonvolatile and instantly operational at power-up with no external configuration ROM and no configuration-time vulnerability. Architecturally, each SX logic module is a multiplexer-based cell whose small grain minimizes routing delay, which is why the family achieves ASIC-like timing predictability. Routing resources are organized for short, deterministic interconnect, so designers can meet timing without extensive place-and-route iteration. The dual 3.3V/5V I/O capability allows direct interfacing with legacy 5V TTL systems while the core runs at 3.3V. Typical applications include industrial control and automation, 5V-legacy bus bridging, telecommunications line-card glue logic, and avionics/industrial systems where instant-on, single-chip operation and resistance to configuration corruption are required. Industrial-grade (-I suffix) screening suits harsh environments. Design consideration: the antifuse fabric is one-time-programmable, so programming errors cannot be recovered; prototype on the identical die in a reprogrammable flow or verify the design thoroughly before committing to production programming. This page synthesizes distributor pricing, drop-in alternatives, comparison tables, and practical design notes not found in the manufacturer datasheet.

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A54SX08-2FGG144

A54SX08-2FGG144 - 8K Gate SX FPGA 320MHz FBGA-144 | Microchip

The Microchip Technology (Microsemi/Actel) A54SX08-2FGG144 is an SX-family antifuse FPGA with 8,000 equivalent gates, 512 logic cells (768 configurable logic modules per Microchip USA data), 320 MHz maximum internal clock performance, and 0.35 um CMOS technology, housed in a 144-ball FBGA (FGG144) package operating at 3.3V with 5.0V-tolerant I/O support. An FPGA (Field-Programmable Gate Array) is a semiconductor device that implements custom digital logic through programmable interconnect and configurable logic blocks, sitting within the broader hierarchy of programmable logic devices alongside CPLDs and ASICs. The Actel SX family uses a sea-of-modules antifuse architecture: unlike SRAM-based FPGAs, its configuration is permanently set at programming time, giving it instant-on behavior, very low cryptographic vulnerability, and no external configuration memory requirement. Key features include 320 MHz internal performance, 3.7 ns pin-to-pin clock-to-out timing, 0.1 ns input setup, and 0.25 ns clock skew, per the manufacturer datasheet. These timing figures enable single-chip integration of 66 MHz PCI-class designs with 100% resource utilization and 100% pin locking, a hallmark of the SX architecture. Technically, the sea-of-modules architecture routes through antifuse elements, delivering ASIC-like speed and integration with deterministic timing. The device provides 111 user inputs and 111 user outputs in the 144-ball package, with fast pin-to-pin timing that simplifies system interfacing and enables parallel board-level design. Typical applications include glue logic consolidation, bus interface and bridging (PCI and similar protocols), industrial control, aerospace/defense FPGA prototyping, and performance-intensive embedded control where instant-on, non-volatile configuration is required. Design consideration: antifuse FPGAs are one-time programmable; functional changes require a new device, so verify the design in simulation thoroughly before programming. Power and I/O banking on the 3.3V/5V-tolerant I/O structure should be validated against the datasheet. This page synthesizes verified distributor data, drop-in alternatives within the SX/SX-A families, and practical design notes not found in the manufacturer datasheet.

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A54SX08-2FGG144I

A54SX08-2FGG144I - SX FPGA 8K Gates 144-FBGA | Microsemi

The Microsemi (now Microchip Technology) A54SX08-2FGG144I is an SX-family antifuse FPGA with 8K system gates, 512 logic cells, 111 user I/O, a 320 MHz toggle rate, and 0.35 um process technology, housed in a 144-ball fine-pitch BGA (FGG144) package for the industrial temperature range (-40C to +125C). It operates from a dual 3.3V/5V supply environment. 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 device sits at the gate level: FPGA -> programmable logic device -> digital IC. The Actel SX family uses a sea-of-modules antifuse architecture, meaning the programming connections are one-time programmable (OTP) and retain configuration through power cycles with no external boot flash required. Key features of the A54SX08-2FGG144I include its antifuse non-volatile programming (no configuration PROM, instant-on operation, and inherent resistance to configuration readback attacks), a 320 MHz system toggle rate that was class-leading for its generation, and dual 3.3V/5V tolerant I/O capability that eases interfacing with legacy 5V logic. The 111 available user I/O in a 144-ball package delivers a high I/O-to-gate ratio suited to glue logic and interface bridging. The sea-of-modules architecture places routing resources close to logic modules, giving deterministic, low-skew interconnect and reducing design iteration time compared with SRAM FPGAs of the same era. Because configuration is fixed at programming time, the device suits high-reliability and secure applications where bitstream volatility is unacceptable. Typical applications include legacy industrial control, aerospace and defense subsystems, 5V-to-3.3V interface bridging, bus arbitration, state machines, and addressing/decode logic in long-lifecycle embedded systems. Designers should note the one-time-programmable nature: logic must be finalized before programming, and device density (8K gates) must be verified against post-fit utilization. This page synthesizes distributor data, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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A54SX08-2PLG84

A54SX08-2PLG84 - SX FPGA, 8K Gates, 84-PLCC | Microsemi

The Microsemi (Microchip) A54SX08-2PLG84 is an SX-family antifuse FPGA offering 8,000 system gates with 512 logic cells, 69 user I/Os, and up to 320 MHz internal performance, housed in an 84-pin PLCC (84-LCC J-Lead) package operating from 3.0V to 3.6V and 4.75V to 5.25V supplies. 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. The Actel SX family uses a sea-of-modules antifuse architecture, in which one-time-programmable antifuse interconnect elements are permanently set during device programming. Compared with SRAM-based FPGAs, this architecture eliminates configuration storage, reduces power consumption, improves security against design theft, and removes the need for a boot PROM. Key features of the A54SX08-2PLG84 include 0.35 um process technology for high-speed operation, 3.7 ns pin-to-pin clock-to-out delay, 0.1 ns input setup time, and 0.25 ns clock skew. The -2 speed grade delivers timing suitable for performance-intensive applications such as 66 MHz PCI designs, which the SX family supports as a single-chip solution with 100% resource utilization and 100% pin locking. The antifuse sea-of-modules architecture routes signals through dedicated fast and long-line interconnect resources, delivering integration levels and clock speeds that were exceptional for its generation. Dual-supply operation (3.3V core/5V tolerant I/O support per family specification) allows integration into both legacy 5V systems and newer 3.3V boards. Typical applications include industrial control and automation, legacy PCI interface logic, telecommunications line cards, military and aerospace upgrades requiring long-term availability of proven antifuse silicon, and obsolete-design lifecycle extensions where re-programmability is not required. Designers should note that antifuse FPGAs are one-time programmable: the design cannot be changed after programming, so thorough pre-programming simulation and timing verification in Libero/Microsemi design tools are essential. This page synthesizes verified distributor data, stock availability, drop-in alternatives, and practical design guidance not found in a single manufacturer source.

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