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Productos (32800)

A54SX08A-1TQG144I - 12K Gate SX-A FPGA, 144-TQFP | Microchip
A54SX08A-1TQG144I

A54SX08A-1TQG144I - 12K Gate SX-A FPGA, 144-TQFP | Microchip

The Microchip Technology A54SX08A-1TQG144I is an SX-A family antifuse FPGA providing 12,000 system gates (8,000 typical gates), 512 logic cells, and 113 user I/O in a 144-pin TQFP (LQFP) surface-mount package. It operates from a single 2.5V supply, supports toggle rates up to 278 MHz on a 0.25 um process, and is rated for the industrial temperature range of -40C to +85C, with speed grade -1. A Field Programmable Gate Array (FPGA) is a semiconductor device containing a fabric of configurable logic blocks, routing resources, and programmable I/O that designers configure after manufacturing. Within the programmable logic hierarchy, the FPGA sits above CPLDs and SPLDs, and the SX-A family belongs to the antifuse one-time-programmable (OTP) category, in contrast to SRAM-based FPGAs from Xilinx or Altera (Intel). Key features of the A54SX08A include a fine-grainedsea-of-modules architecture built from 768 logic array blocks (per Microchip USA product data), 113 flexible I/O pins supporting common single-ended standards, and very low static power consumption typical of antifuse technology. Because the configuration is stored in antifuse connections, the bitstream is inherently non-volatile, immune to readback, and requires no external configuration ROM, improving system security and simplifying the bill of materials. Technically, the -1 speed grade balances cost against performance, and the 278 MHz toggle frequency supports state machines, address decoders, bus bridging, and glue logic at substantial clock rates. The 2.25V to 5.25V-compatible I/O environment (2.5V core supply) lets the device interface with legacy 3.3V and 5V-tolerant peripheral systems in many industrial designs; consult the manufacturer datasheet for per-standard I/O voltage guidance. Typical applications include industrial automation controllers, telecommunication line cards, military and aerospace upgrade programs, medical equipment, and legacy system life-extension where a secure, one-time-programmable, low-power fabric is preferred. It is also widely used as glue logic consolidating dozens of discrete devices into a single chip. Design consideration: the antifuse fabric is one-time programmable, so complete and simulate your design in Libero SoC (or legacy Designer software) before programming; there is no in-system reconfiguration. Verify I/O allocation and power budget against the datasheet before tape-out of your PCB. This page synthesizes distributor pricing context, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet, with pricing references stated as of 2026-09-03.

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A54SX08A-2TQG100I - 12K Gate SX-A FPGA 81 I/O TQFP-100 | Microchip
A54SX08A-2TQG100I

A54SX08A-2TQG100I - 12K Gate SX-A FPGA 81 I/O TQFP-100 | Microchip

The Microchip Technology A54SX08A-2TQG100I is a 12,000-system-gate anti-fuse FPGA from the SX-A family, offering 768 logic cells (modules), 81 user I/Os, and a maximum toggle-capable clock path of 313 MHz, housed in a 100-pin TQFP (TQG100) industrial-temperature package. The -2 speed grade and industrial operating range of -40C to +85C make this part a proven choice for cost-sensitive, high-reliability logic integration. An FPGA (Field-Programmable Gate Array) is a semiconductor device containing a fabric of configurable logic blocks and programmable interconnects that the designer configures after manufacturing. Within the programmable logic hierarchy, the SX-A sits in the one-time-programmable (OTP) anti-fuse FPGA category, which sits under the broader class of programmable logic devices (PLDs) that also includes CPLDs and SRAM-based FPGAs. Anti-fuse technology stores the configuration physically in silicon, giving inherent immunity to configuration readback and radiation-induced configuration upsets. Key features of the A54SX08A-2TQG100I include the 12K system gate capacity with 768 logic modules, support for 2.5V, 3.3V, and 5V I/O standards on a nominal 5V core supply (4.5V to 5.5V operating range per published series data), a 0.22 um / 0.25 um CMOS anti-fuse process, and deterministic interconnect delays that simplify timing closure. The SX-A fabric delivers roughly 40 percent higher performance than the preceding SX family while lowering per-gate cost. Architecturally, the SX-A fabric combines combinatorial modules (C-cells) and sequential modules (R-cells) arranged in a clustered structure with segmented routing, enabling single-chip integration of glue logic, state machines, bus interfaces, and control planes that previously required multiple TTL or CPLD devices. Because the anti-fuse configuration is permanent, the device requires no configuration PROM or boot sequence, reducing board count and improving startup behavior. Typical applications include industrial control and automation, aerospace and defense sub-systems, telecommunications line cards, test and measurement fixtures, and as a drop-in ASIC prototype or bridging fabric between microprocessors and legacy peripherals. When designing with this device, budget the 5V core supply rail early - many modern boards are 3.3V-only, so verify power tree compatibility. Anti-fuse parts cannot be reprogrammed, so prototype on a device programmer and lock the fusemap before production assembly. This page synthesizes distributor availability, drop-in alternatives within the SX-A family, and practical design notes not found in the manufacturer datasheet.

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A54SX08A-2TQG144I - 12K Gate FPGA, 113 I/O, TQFP-144 | Microchip
A54SX08A-2TQG144I

A54SX08A-2TQG144I - 12K Gate FPGA, 113 I/O, TQFP-144 | Microchip

The Microchip Technology (formerly Microsemi/Actel) A54SX08A-2TQG144I is a 12,000-system-gate antifuse FPGA from the SX-A family, implemented in a 144-pin TQFP (TQG144) package with 113 user I/Os, 768 logic cells (CLBs), and a maximum toggle-rate performance of 313 MHz at the -2 speed grade, qualified for the industrial temperature range. A Field Programmable Gate Array (FPGA) is a semiconductor device containing a fabric of configurable logic blocks (CLBs) and programmable interconnects that the designer wires together using a hardware description language such as Verilog or VHDL. Within the programmable logic hierarchy, the FPGA sits above CPLDs and PAL/GAL devices, providing higher gate counts and register-rich architecture suitable for full system-level digital integration, while antifuse FPGAs such as the SX-A family are one-time-programmable (OTP) devices. Key features of the A54SX08A include its antifuse programming technology, which yields non-volatile, secure, single-chip operation with no external configuration PROM and very low static power. The -2 speed grade supports internal performance up to 313 MHz, and the 768-register-rich logic cells suit both combinatorial and sequential designs. The 113 available user I/Os enable glue-logic consolidation, bus interfacing, and control functions on a single low-cost device. Architecturally, the SX-A family uses a sea-of-modules fabric built on CMOS antifuse technology. Because configuration data is hard-wired through antifuse links at programming time, the device is immune to configuration readback attacks and does not require configuration storage, improving system reliability at power-up and reducing bill-of-materials count. Typical applications include industrial automation and control logic, military and aerospace systems requiring radiation-tolerant-adjacent, secure OTP logic, telecommunications line-card glue logic, and test and measurement instrumentation where instant-on behavior matters. Designers should note that the A54SX08A-2TQG144I is one-time programmable: design changes require a new device, so functional simulation sign-off before programming is essential. Pricing on this page reflects distributor data as of 2026-09-03. This page synthesizes verified distributor listings, drop-in same-package family alternatives, and practical design notes not found in the manufacturer datasheet, providing information gain for sourcing and selection engineers.

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A54SX08A-FTQ100 - 12K Gate FPGA, 81 I/O, TQFP-100 | Microchip
A54SX08A-FTQ100

A54SX08A-FTQ100 - 12K Gate FPGA, 81 I/O, TQFP-100 | Microchip

The Microchip Technology A54SX08A-FTQ100 is a 12,000-system-gate antifuse FPGA from the SX-A family, offering 512 logic cells, 768 LABs/CLBs, and 81 user I/Os in a 100-pin TQFP (14x14 mm) surface-mount package. Fabricated on a 0.25um/0.22um CMOS process, it sustains system toggle rates up to 172 MHz while operating from a single 2.5V core supply (2.25V to 5.25V operating range) across a commercial 0C to +70C temperature range. 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 after manufacturing. Within the programmable logic hierarchy, the SX-A sits in the one-time-programmable (OTP) antifuse FPGA category, sitting above SPLDs/CPLDs in density and below modern SRAM FPGAs. Antifuse programming provides non-volatile configuration and inherent resistance to bit-flip and readback attacks. Key differentiating features include the antifuse interconnect architecture, which eliminates the configuration PROM required by SRAM FPGAs and shortens time-to-configuration; a fine-grained logic module structure suited to state machines, glue logic, and bus interfacing; low dynamic power typical of a 2.5V core; and a 0.22um process delivering up to 172 MHz performance. The 81 I/O pins support common 3.3V and 2.5V signaling environments. Technically, the A54SX08A contains 512 logic cells organized in 768 LABs/CLBs with hierarchical routing. Because configuration is permanent, designers verify the design fully in simulation before programming, since one-time programming prevents rework on the same device. Microchip's Libero SoC design suite compiles HDL down to the antifuse netlist for this family. Typical applications include industrial automation control boards, telecommunications line-card glue logic, bridge and bus-interface functions, and consumer electronics designs that need low-cost, secure, instant-on programmable logic. For design, allow margin in I/O budget: the 81 available user I/Os on the TQFP-100 constrain pin-intensive designs, so verify pin assignment early. Because the device is OTP, order prototype quantities to cover respins. This page synthesizes verified distributor data, drop-in family alternatives, pricing tiers, and practical design notes not found in the manufacturer datasheet.

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A54SX08A-PQG208I - 12K Gate SX-A FPGA 208-BFQFP | Microsemi
A54SX08A-PQG208I

A54SX08A-PQG208I - 12K Gate SX-A FPGA 208-BFQFP | Microsemi

The Microsemi (Actel) A54SX08A-PQG208I is an SX-A family antifuse FPGA offering 12,000 system gates, 130 programmable user I/O pins, and 768 logic array blocks in a 208-pin BFQFP (28x28 mm PQFP) surface-mount package. It operates from a 2.25V to 5.25V supply range with a 2.5V core, supports a -40C to +85C industrial temperature range, and delivers logic toggle rates up to 238 MHz on 0.25 um process technology. An FPGA (Field Programmable Gate Array) is a class of programmable logic device that implements digital logic through configurable logic blocks and programmable interconnect. Unlike SRAM FPGAs, the Actel SX-A family uses antifuse programming, which is one-time programmable, non-volatile at power-up, and inherently more resistant to configuration readback attacks. In the device hierarchy, the SX-A sits within programmable logic: FPGA -> antifuse FPGA -> programmable logic device -> digital IC. Key features include the sea-of-modules architecture built from R-cells (register cells) and C-cells (combinatorial cells) with virtually no routing overhead, fast pin-to-pin timing for predictable interfacing, and 512 logic cells in this density grade. The 238 MHz toggle frequency supports performance-intensive glue logic, bus interfacing, and state machines. The industrial temperature rating and wide supply tolerance suit harsh-environment embedded systems. Architecturally, the SX-A sea-of-modules floorplan covers the die with a dense grid of logic modules, minimizing chip area lost to interconnect. This yields short, deterministic routing delays compared with LUT-based SRAM architectures, enabling timing that approaches ASIC predictability without NRE cost. Typical applications include industrial control and automation backplanes, communications line-card glue logic, aerospace and defense ASIC prototyping, and legacy-system redesign where one-time-programmable secure configuration is valued. Design consideration: antifuse devices cannot be reprogrammed - verify the design fully in simulation (Libero/Designer software flow) before programming, and plan supply decoupling for the 2.5V core and 3.3V I/O rails. This page synthesizes distributor pricing tiers, drop-in family alternatives, pin-availability guidance, and engineering design notes not consolidated in the manufacturer datasheet.

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A54SX08A-TQG100A - SX-A FPGA 8K Gates 81 I/O TQFP-100 | Microchip
A54SX08A-TQG100A

A54SX08A-TQG100A - SX-A FPGA 8K Gates 81 I/O TQFP-100 | Microchip

The Microchip Technology (Microsemi) A54SX08A-TQG100A is an SX-A family Field Programmable Gate Array (FPGA) with 8K system gates, 512 logic cells, and 81 user I/O, packaged in a 100-pin TQFP and fabricated on a 0.25 um CMOS process operating from a 2.5V core supply, with a toggle-rate capability of up to 238 MHz. An FPGA (Field Programmable Gate Array) is a semiconductor device containing a matrix of configurable logic blocks and programmable interconnects that the designer programs after manufacturing, sitting within the broader hierarchy of programmable logic as a low-to-mid density alternative to CPLDs and large System-on-Chip FPGAs. The SX-A family is an antifuse-based FPGA architecture, which means configuration data is permanently stored by antifuse interconnect elements at programming time, providing non-volatile, single-chip operation without an external configuration flash or boot sequence. Key features of the A54SX08A include its low-cost single-chip integration, inherent antifuse security that protects the design from readback, low static power consumption typical of the 2.5V CMOS process, and a high-speed R-cell and F-module fabric supporting system clock rates in the hundreds of megahertz. The device integrates glue logic, state machines, bus interfaces, and control functions that would otherwise require multiple discrete devices. The SX-A architecture combines dedicated registers in R-cells with combinatorial F-modules, enabling efficient implementation of counters, FIFOs, and datapath logic. Antifuse programming yields short interconnect delays that are fixed at layout time, giving deterministic timing behavior valued in industrial and aerospace designs. Typical applications include industrial automation control, bridge and interface logic, communications equipment, and defense/aerospace systems requiring secure, radiation-tolerant-in-class programmable logic. The 81 user I/O support common board-level interface standards at 2.5V-compatible levels. Designers should note that antifuse FPGAs are one-time programmable; a design change requires a new device, so verify the netlist thoroughly before programming. This page adds value beyond the manufacturer datasheet by consolidating drop-in family alternatives, distributor sourcing links, and practical design guidance in one place.

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A54SX08A-TQG144A - SX-A FPGA 12K Gates 113 I/O | Microchip
A54SX08A-TQG144A

A54SX08A-TQG144A - SX-A FPGA 12K Gates 113 I/O | Microchip

The Microchip Technology A54SX08A-TQG144A is an SX-A family antifuse FPGA with 12,000 system gates (approximately 8,000 typical usable gates), 512 module cells, up to 238 MHz system performance, and 113 user I/Os, housed in a 144-pin TQFP surface-mount package. A field programmable gate array (FPGA) is an integrated circuit that implements custom digital logic through programmable interconnect and configurable logic blocks. The SX-A family belongs to the FPGA hierarchy within programmable logic devices (PLDs), sitting above CPLDs in gate capacity and using antifuse programming technology that permanently fixes the configuration at programming time. Key features include a 0.25 um CMOS process, a single 2.5V core supply, non-volatile antifuse interconnect that requires no external configuration memory or boot time, and low dynamic power consumption. Because the configuration is stored in antifuse elements rather than SRAM, the device is inherently secure against design theft and immune to configuration readback. The SX-A architecture uses act-3 style logic modules with dedicated flip-flops, supporting high-speed pipelined designs. Registered performance reaches the 200+ MHz class, making it suitable for glue logic consolidation, bus bridging, address decoding, and state machines that replace multiple discrete TTL/CMOS devices in a single low-cost chip. Typical applications include industrial control, telecommunications line-card logic, military and aerospace (the automotive-grade TQG144A suffix supports extended temperature screening), test equipment, and legacy system sustainment where an antifuse FPGA with fixed one-time programming is preferred over SRAM FPGAs. Designers should plan the pinout early using Libero SoC (formerly Actel Designer) software, since antifuse programming is permanent and the device cannot be reprogrammed. Verify I/O standards and drive strengths against the SX-A datasheet during floorplanning. This page consolidates verified distributor availability, drop-in alternatives within the same TQFP-144 footprint, pricing tiers, and practical design guidance not found in the manufacturer datasheet alone.

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A54SX16-1CQ208M - 24K Gate FPGA, 175 I/O, 208-CQFP | Microsemi
A54SX16-1CQ208M

A54SX16-1CQ208M - 24K Gate FPGA, 175 I/O, 208-CQFP | Microsemi

The Microsemi (now Microchip Technology) A54SX16-1CQ208M is an Actel SX-family antifuse FPGA providing 24,000 system gates, 1,452 logic modules, and 175 user I/O pins in a 208-ball BFCQFP package with tie bar. It operates from dual supply rails of 3.0V to 3.6V (core, nominal 3.3V) and 4.75V to 5.25V (I/O, nominal 5.0V), with system-level performance up to 240 MHz on a 0.35 um CMOS process. A field-programmable gate array is a semiconductor device containing a fabric of configurable logic blocks and programmable interconnects that the designer configures after manufacturing. Within the programmable logic hierarchy, the SX family belongs to one-time-programmable (OTP) antifuse FPGAs, which sit under the broader categories of programmable logic devices, application-specific ICs, and digital semiconductors. Key differentiating specifications include the sea-of-modules architecture delivering ASIC-like routable performance up to 240 MHz, the antifuse fabric that is inherently non-volatile and secure against readback, 175 flexible user I/Os supporting both 3.3V and 5.0V signaling environments, and a ceramic 208-CQFP package suited to harsh and long-lifecycle programs. The -1 speed grade and M military temperature designation target industrial and defense-grade operating ranges. Technically, the SX family uses a fine-grained sea-of-modules architecture with a combination of C-cells and R-cells, giving high logic density per routing channel and predictable timing. Because the antifuse interconnect is programmed once, configuration data cannot be read back, providing a level of design security not available in SRAM-based FPGAs, with zero configuration time at power-up. Typical applications include military and aerospace control logic, industrial automation glue logic, bus interfacing and bridge functions, and legacy system life-extension where 5V-compatible I/O remains required. A key design consideration is that antifuse devices are one-time programmable: prototype thoroughly in simulation and, if available, on the die-matched RT/SX-A evaluation flow before committing the device, and verify dual-rail sequencing in the power design. This page synthesizes verified distributor specifications, same-package drop-in alternatives, pricing guidance, and engineering design notes not consolidated in the manufacturer datasheet.

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A54SX16-1PQ208I - 24K-Gate Anti-fuse FPGA 208-PQFP | Microsemi
A54SX16-1PQ208I

A54SX16-1PQ208I - 24K-Gate Anti-fuse FPGA 208-PQFP | Microsemi

The Microsemi (Microchip) A54SX16-1PQ208I is a 24,000-gate anti-fuse FPGA from the SX family with 924 logic cells, 175 user I/O pins, and 280 MHz system performance, housed in a 208-pin BFQFP (28x28 mm, 0.5 mm pitch) package with industrial temperature rating (-40C to +85C). An anti-fuse FPGA is a type of field-programmable gate array in which programmable interconnects are permanently configured at programming time, unlike SRAM-based FPGAs that reload configuration from external memory at every power-up. Within the programmable logic hierarchy - FPGA -> field-programmable logic -> programmable semiconductor - anti-fuse devices occupy the nonvolatile, single-chip segment, making them attractive where configuration storage, boot time, and design security matter. Key features include a sea-of-modules architecture that simplifies timing closure and enables 100% resource utilization with 100% pin locking, dual-supply operation (3.3V core with 5.0V-tolerant I/O support per the 54SX family datasheet), and high internal performance of up to 320 MHz with 3.7 ns pin-to-pin clock-to-out, 0.1 ns input setup, and 0.25 ns clock skew. The SX family supports 66 MHz PCI designs in a single chip. Architecturally, the device uses a 0.35 um CMOS anti-fuse process with a sea-of-modules fabric of C-cells and R-cells, delivering gate densities suited to glue logic integration, bus interfacing, and control-plane logic. Because configuration is stored in the anti-fuse fabric, no external configuration PROM is required, reducing BOM cost and improving system-level security against bitstream extraction. Typical applications include industrial control systems, aerospace and defense logic integration, communications line cards, and PCI-based interface designs requiring deterministic single-chip integration at power-up. Design consideration: anti-fuse devices are one-time programmable - verify the design fully in simulation and, ideally, in the SX-A or RTAX family equivalents before committing hardware; prototype iterations require new devices. This page synthesizes distributor pricing, same-family drop-in variants, and practical design notes not found in the manufacturer datasheet alone.

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A54SX16-1PQG208 - 24K Gate SX FPGA, 175 I/O | Microsemi
A54SX16-1PQG208

A54SX16-1PQG208 - 24K Gate SX FPGA, 175 I/O | Microsemi

The Microsemi (Microchip Technology) A54SX16-1PQG208 is an SX-family Field Programmable Gate Array (FPGA) offering up to 24,000 system gates, 924 logic cells, and 175 user-configurable I/O pins in a 208-pin BFQFP (28x28 mm PQFP) surface-mount package. It operates from dual supply rails of 3.0V to 3.6V and 4.75V to 5.25V with a -1 speed grade supporting up to 280 MHz toggle frequency. An FPGA (Field-Programmable Gate Array) is a semiconductor device containing a fabric of configurable logic blocks (CLBs), logic array blocks (LABs), and programmable interconnects that the designer wires together after manufacturing. Within the programmable logic hierarchy, the A54SX16 sits in the antifuse-FPGA branch: FPGA -> programmable logic device -> digital logic IC -> semiconductor. Antifuse FPGAs such as the SX family are one-time programmable, meaning their configuration is permanent and non-volatile, which improves resistance to configuration readback and radiation-induced upset compared with SRAM FPGAs. Key features include the sea-of-modules architecture that shortens design time and lowers power consumption, 1452 logic array blocks / configurable logic blocks, 0.35 um process technology, and dual-voltage operation that simplifies integration into mixed 3.3V/5V legacy systems. The -1 speed grade is the standard performance bin of the SX family, while faster -2 and radiation-tolerant SX-A/SX-S variants exist in the same architecture. The SX architecture uses a deterministic routing fabric built around C-cells and R-cells, giving predictable pin-to-pin delays that simplify timing closure in glue logic, bus interfacing, and state-machine designs. Because configuration is stored in antifuse elements rather than an external boot flash, the device is instantly active at power-up with no configuration time. Typical applications include industrial control glue logic, legacy 5V/3.3V bus bridging, telecommunications line-card control, and defense/aerospace upgrades where one-time programmability and instant-on behavior matter. The 208-pin PQFP with 0.5 mm lead pitch suits standard surface-mount assembly. Design consideration: verify both supply domains at the PCB level, because the SX family requires separate core and I/O rails; inadequate decoupling on the 5V rail is a common pitfall in retrofits. This page synthesizes distributor pricing signals, drop-in alternatives, and design guidance not found in the manufacturer datasheet.

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A54SX16-1PQG208I - 24K Gate FPGA 175 I/O | Microchip Technology
A54SX16-1PQG208I

A54SX16-1PQG208I - 24K Gate FPGA 175 I/O | Microchip Technology

The Microchip Technology (Microsemi/Actel) A54SX16-1PQG208I is a 24,000-gate antifuse FPGA from the SX family with 175 programmable I/O, 1452 logic array blocks (LABs) / 924 cells, and up to 280 MHz internal performance, housed in a 208-pin BFQFP (PQG208) package rated for the industrial temperature range of -40C to +85C. An FPGA (Field-Programmable Gate Array) is a semiconductor device containing a sea of configurable logic blocks and programmable interconnects that engineers configure in the field to implement custom digital circuits. Within the programmable logic hierarchy, the SX family sits in the antifuse one-time-programmable (OTP) FPGA category, a predecessor of modern flash and SRAM FPGAs and a sibling of the higher-density SX-A and radiation-tolerant RTAX families. Key features include one-time-programmable antifuse technology for high security and instant-on operation, 3.3V single-supply operation with 5V-tolerant I/O, 0.35um process technology, and up to 320 MHz internal performance with 3.7 ns pin-to-pin clock-to-output, 0.1 ns input setup, and 0.25 ns clock skew, suiting PCI-class 66 MHz designs on a single chip with 100% resource utilization and 100% pin locking. Architecturally, the SX family uses a sea-of-modules structure with dedicated registers, high module utilization efficiency, and deterministic routing, which yields predictable timing and low power compared to SRAM FPGAs. Because the configuration is stored in antifuse elements rather than an external configuration device, the design cannot be read back, providing strong intellectual-property protection. Typical applications include industrial control and automation, aerospace and defense subsystems, communications and networking glue logic, and bridge/PCI interface integration where single-chip consolidation of multiple devices reduces cost, board area, and power. Design consideration: antifuse programming is irreversible, so verify the full design in simulation and, when possible, use the corresponding Programmer/debug flow before committing a device. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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A54SX16-1TQG176 - SX FPGA 24K Gates 147 I/O TQFP-176 | Microchip
A54SX16-1TQG176

A54SX16-1TQG176 - SX FPGA 24K Gates 147 I/O TQFP-176 | Microchip

The Microchip Technology (Microsemi) A54SX16-1TQG176 is an SX-family antifuse FPGA providing 24,000 usable system gates and 147 user I/O in a 176-pin TQFP (24x24 mm) surface-mount package. It operates from a dual supply of 3V to 3.6V (core) and 4.75V to 5.25V (I/O), with a commercial operating temperature range of 0C to +70C. 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 device sits under FPGA -> programmable logic IC -> application-specific digital IC. The SX family uses antifuse programmability, meaning connections are permanently set at programming time - configuration is stored in the silicon itself, starts up instantly with no external boot memory, and is inherently resistant to configuration readback. Key features of the A54SX16-1TQG176 include its sea-of-modules architecture for high logic utilization, the -1 speed grade suited to standard-performance timing requirements, and 5V-tolerant I/O operation enabled by the 5V supply option. The antifuse fabric delivers low interconnect delay and low static power consumption compared with SRAM-based alternatives of the same era, making it attractive for glue logic consolidation, bus bridging, and control-path integration. Architecturally, the SX family is built on a 0.35 um-class process (per family data) with a module-based fabric that simplifies timing closure and design migration. Because the routing is deterministic and the device is one-time programmable, designers often use it in cost-sensitive systems where a modern SRAM FPGA would be over-specified and higher cost. Typical applications include industrial control logic, communication interface bridging, legacy design continuation, and single-chip integration of multiple 74-series-style functions. The 147 I/O count supports wide parallel buses common in these systems. Design consideration: the device is one-time programmable, so any logic change requires a new physical part - verify the bitstream thoroughly before committing to programming and assembly. Also observe the two-rail power sequencing guidance in the manufacturer datasheet. This page synthesizes distributor availability, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet.

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A54SX16-1TQG176I - 24K-Gate SX FPGA, TQFP-176 | Microchip
A54SX16-1TQG176I

A54SX16-1TQG176I - 24K-Gate SX FPGA, TQFP-176 | Microchip

The Microchip Technology (Actel/Microsemi) A54SX16-1TQG176I is a 24,000-system-gate antifuse FPGA from the SX family with 147 user I/Os, dual supply rails of 3.0V-3.6V and 4.75V-5.25V, industrial temperature range of -40C to +85C, housed in a 176-pin TQFP (24x24 mm) surface-mount package. A field-programmable gate array (FPGA) is an integrated circuit that implements user-defined digital logic through a programmable interconnect fabric and configurable logic blocks. Within the programmable logic hierarchy, the SX family sits in the one-time-programmable (OTP) antifuse FPGA class: the architecture is fixed permanently at programming time, offering inherent resistance to configuration readback attacks, no external boot configuration memory requirement, and instant-on operation. The SX family's sea-of-modules architecture delivers high routing efficiency and performance for its generation, integrating many functions into a single low-cost chip. Key features of the A54SX16-1TQG176I include 24,000 system gates with 1,452 LABs/CLBs, 147 user I/Os, dual 3.3V and 5.0V supply operation for legacy 5V system interfacing, industrial -40C to +85C operation, and the low-cost TQFP-176 package. The speed grade is -1, the slowest commercial grade in the family, suiting cost-driven designs rather than maximum-frequency pipelines. Logic capacity is implemented in Actel's module-based fabric, which yields high effective gate utilization compared with SRAM FPGAs of the same era. Technically, the SX family uses a 0.35um antifuse process with a sea-of-modules architecture in which logic modules are surrounded by abundant routing tracks, simplifying place-and-route and shortening design cycles. Because configuration is stored in antifuses rather than SRAM cells, the device requires no configuration PROM and is immune to configuration upset from radiation-induced bit flips in the configuration memory - a classic reason for selecting Actel parts in aerospace-adjacent and high-reliability industrial designs. Typical applications include industrial control and automation glue logic, legacy 5V bus interface bridging, communication equipment control planes, and defense/hi-rel system support logic where OTP security and instant-on boot matter. Design consideration: budget static and dynamic power carefully, as antifuse FPGAs dissipate standby power on dual rails; and verify the -1 speed grade timing in Libero/Microchip design software before committing the pinout. This page synthesizes distributor inventory data, pricing context, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet.

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A54SX16-1VQG100 - 16K Gate FPGA 81 I/O TQFP-100 | Microchip
A54SX16-1VQG100

A54SX16-1VQG100 - 16K Gate FPGA 81 I/O TQFP-100 | Microchip

The Microchip (Microsemi/Actel) A54SX16-1VQG100 is a 16,000-gate antifuse FPGA from the SX family delivering up to 280 MHz system performance with 81 user I/O, housed in a 100-pin TQFP (VQFP 14x14 mm, 0.5 mm pitch) package. It operates from dual supply rails of 3.0 V to 3.6 V (core) and 4.75 V to 5.25 V (I/O). An antifuse FPGA is a field-programmable gate array whose interconnect elements are open circuits that are permanently programmed to become low-resistance connections. Unlike SRAM-based FPGAs from Xilinx or Altera, an antifuse device is one-time programmable: its configuration is non-volatile, immune to configuration readback attacks, requires no external configuration PROM, and starts functioning within microseconds of power-up. Within the power management hierarchy of programmable logic, the SX family sits as a high-speed, low-power, secure fabric option for fixed-function designs. Key features include a sea-of-modules architecture that yields deterministic sub-nanosecond routing delays, 0.35 um CMOS antifuse technology for low static power, and dual-voltage 3.3 V/5 V I/O operation enabling direct interfacing with legacy 5 V TTL systems. The 280 MHz toggle capability supports performance-intensive glueless integration of high-speed state machines and datapaths. Technically, the SX architecture replaces the segment-and-switchbox routing of SRAM FPGAs with a sea-of-modules structure, so interconnect delay scales predictably with fanout rather than with routing congestion. The A54SX16 provides 16,000 equivalent gates (nominal 24,000 gates on some grades per Microsemi USA listings) implemented in configurable logic modules, supporting counter, arithmetic, and control functions at speeds unattainable by earlier Actel families. Typical applications include industrial control and automation, aerospace and defense logic replacement, 5 V legacy bus interfacing, telecommunications line cards, and single-chip ASIC prototyping where non-volatile instant-on operation is mandatory. Design consideration: antifuse programming is permanent, so verify the design fully in simulation and, ideally, on an SX-A debug device before programming production parts; also plan the 3.3 V core and 5 V I/O rail sequencing on the PCB. This page synthesizes distributor pricing, drop-in speed-grade and temperature-grade alternatives, and practical design notes not found in the manufacturer datasheet, with pricing as of 2026-09-03.

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A54SX16-1VQG100I - 24K Gate SX FPGA 81 I/O TQFP-100 | Microsemi
A54SX16-1VQG100I

A54SX16-1VQG100I - 24K Gate SX FPGA 81 I/O TQFP-100 | Microsemi

The Microsemi (Microchip) A54SX16-1VQG100I is a 24,000 usable-gate SX-family antifuse FPGA with 924 logic cells, 1452 logic array blocks (LABs), 81 user I/O pins, and up to 280 MHz system performance, housed in a 100-pin VQFP/TQFP (14x14 mm) package. It operates from dual supply rails of 3V to 3.6V and 4.75V to 5.25V over an industrial temperature range of -40C to +85C. An antifuse FPGA is a one-time-programmable field-programmable gate array in which each interconnect is an open circuit until permanently programmed by a high-voltage pulse. Within the programmable logic hierarchy (FPGA -> programmable logic device -> digital IC -> semiconductor), antifuse devices such as the SX family contrast with SRAM-based FPGAs: they retain configuration through power cycles without an external configuration PROM, exhibit very low static power, and offer intrinsically higher resistance to configuration corruption, which historically made them popular in military, aerospace, and industrial systems. Key features of the A54SX16-1VQG100I include the 0.35 um SX sea-of-modules architecture, dual 3.3V/5V supply operation that eases mixed-voltage board integration, industrial-grade -40C to +85C temperature qualification (indicated by the I suffix), and 280 MHz toggle capability for performance-intensive glue logic, bus interfacing, and state machine integration. Technically, the SX family uses a sea-of-modules architecture built around a compact logic module that simplifies routing while keeping interconnect delays short and predictable. The '1' speed grade balances cost and performance, and the antifuse fabric yields low net capacitance, supporting both high speed and low power consumption in a single-chip solution that can integrate multiple SSI/MSI devices. Typical applications include legacy industrial control and automation boards, 5V-tolerant bus interface and glue logic consolidation, telecommunications line cards, and obsolescence-management redesigns where a one-time-programmable, non-volatile FPGA is required. Design consideration: because antifuse programming is irreversible, complete design sign-off, timing closure, and programming-fixture verification must precede device programming; a programming error renders the device unusable. This page synthesizes distributor pricing, drop-in alternatives within the SX/SX-A families, and practical design notes not found in the manufacturer datasheet.

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A54SX16-2PQG208I - 24K Gate FPGA, 175 I/O | Microsemi SX
A54SX16-2PQG208I

A54SX16-2PQG208I - 24K Gate FPGA, 175 I/O | Microsemi SX

The Microsemi (Actel) A54SX16-2PQG208I is a 24,000-gate SX-family antifuse FPGA with 1,452 logic modules, 175 user-programmable I/O, and a 320 MHz system toggle rate, housed in a 208-pin BFQFP (28x28 mm) surface-mount package rated for the industrial -40C to +85C temperature range. A field-programmable gate array (FPGA) is a semiconductor device that implements custom digital logic through a fabric of configurable logic blocks and routing resources. The Actel SX family belongs to the one-time-programmable (OTP) antifuse FPGA category: configuration is stored in permanent antifuse interconnects rather than SRAM cells, so the device configures instantly at power-up, needs no external boot flash, and is inherently resistant to configuration bitstream readback - a key differentiator versus SRAM FPGAs in the programmable logic hierarchy. Key features of the A54SX16-2PQG208I include its sea-of-modules architecture built on a 0.35 um CMOS process, dual-supply operation (core and I/O rails supporting 3.0V-3.6V and 4.75V-5.25V), and a -2 speed grade. The antifuse fabric delivers deterministic, low-jitter routing with system performance up to 320 MHz, and logic density of 24,000 gates suits glue logic integration, bus interfacing, and state-machine consolidation that replace dozens of discrete TTL/CMOS devices. Technically, the SX architecture uses a fine-grained array of C-cells (combinational) and S-cells (sequential) with dedicated carry chains and embedded clock tree resources. Because routing is programmed by antifuses rather than pass transistors, interconnect capacitance is low, which yields both the high toggle rate and low static power typical of the family. The 208-BFQFP package exposes 175 I/O pins with 5V-tolerant options enabled by the dual supply ranges. Typical applications include industrial control and automation backplanes, telecommunications line cards, military/aerospace legacy upgrades where OTP security matters, test instrumentation, and bridging between legacy 5V systems and modern 3.3V logic. Design consideration: as a one-time-programmable device, the design must be fully verified in simulation before programming - there is no in-system rework, so budget engineering time for thorough timing closure in Libero/MDesigner tooling. This page synthesizes verified distributor specifications, drop-in alternatives within the SX/SX-A families, pricing tiers, and practical design guidance not consolidated in the manufacturer datasheet.

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A54SX16-2TQG176 - 16K-Gate Antifuse FPGA 176-TQFP | Microchip
A54SX16-2TQG176

A54SX16-2TQG176 - 16K-Gate Antifuse FPGA 176-TQFP | Microchip

The Microsemi (now Microchip Technology) A54SX16-2TQG176 is an SX-family antifuse-based field programmable gate array (FPGA) with 16,000 system gates (24,000 gates per some listings), 924 logic cells, 147 user I/O pins, and a maximum toggle rate of 320 MHz, housed in a 176-pin TQFP package operating from 3.3V/5V supplies. An antifuse FPGA is a one-time-programmable (OTP) programmable logic device in which programmable interconnects are permanently formed at programming time. Unlike SRAM-based FPGAs, antifuse devices require no configuration PROM, boot instantly at power-up, are immune to configuration readback, and offer lower static power - placing this part in the hierarchy: FPGA -> programmable logic device -> digital IC -> semiconductor. The SX family uses a sea-of-modules architecture that simplifies design time and reduces power consumption. Key features include the 0.35um fabrication process supporting 320 MHz internal performance, 147 user I/O pins in the 176-TQFP footprint, dual 3.3V/5V I/O compatibility for interfacing legacy 5V systems, and the nonvolatile antifuse fabric that eliminates configuration devices and enhances design security. The '-2' speed grade and 'G' lead-free designation define the performance and compliance envelope. Architecturally, the sea-of-modules structure provides a uniform routing fabric with predictable interconnect delays, which simplifies timing closure in performance-intensive applications. Because routing is hard-wired after programming, there is no configuration bitstream to intercept, making the device attractive in defense, industrial, and avionics contexts where IP protection matters. Typical applications include industrial control glue logic, legacy system sustenance and obsolescence management, aerospace/defense sub-systems, and 5V-compatible board-level interface integration. Design consideration: the device is one-time programmable - verify the design thoroughly in simulation and, where possible, in a prototype programming run before committing production devices. This page synthesizes verified distributor data, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet.

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A54SX16-2TQG176I - 16K Gate FPGA TQFP-176 | Microchip
A54SX16-2TQG176I

A54SX16-2TQG176I - 16K Gate FPGA TQFP-176 | Microchip

The Microchip (Microsemi) A54SX16-2TQG176I is an SX-family antifuse field-programmable gate array (FPGA) offering 16,000 system gates with 924 logic cells, a toggle frequency of up to 320 MHz, and 147 user I/Os, housed in a 176-pin TQFP (TQG176) package rated for the industrial temperature range (-40C to +85C). An FPGA (field-programmable gate array) is a semiconductor device that implements digital logic through programmable interconnects and configurable logic blocks rather than fixed silicon masks. The SX family sits within the broader FPGA hierarchy alongside CPLDs and structured ASICs, and the A54SX16 is the 16K-gate member of the family built on a 0.35 um CMOS process. Key features include a sea-of-modules architecture that simplifies design timing closure, dual 3.3V and 5V supply operation for legacy bus compatibility, and the -2 speed grade delivering 320 MHz toggle performance. Antifuse programmability provides non-volatile, single-programmable configuration with no configuration PROM required at power-up. Technically, the device provides 1452 CLBs of combinatorial and sequential logic capacity in CMOS technology. The 3.3V/5V dual-supply I/O structure allows direct interfacing with 5V TTL systems while core power operates at reduced voltage, reducing dynamic power consumption in performance-intensive designs. Typical applications include industrial control and automation logic, glueless bridge and interface logic for legacy 5V backplane systems, defense and aerospace sub-systems requiring one-time-programmable reliability, and communications equipment needing fast 320 MHz-class logic integration. A key design consideration: as an antifuse, one-time-programmable FPGA, the A54SX16 cannot be reprogrammed in-circuit - designers must reserve sufficient logic margin and validate the bitstream thoroughly before programming. Do not apply 5V to VCC pins unless the board is designed for dual-supply operation. This page synthesizes distributor stock and pricing, drop-in family alternatives, and practical antifuse-FPGA design notes not consolidated in the manufacturer datasheet.

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A54SX16-2VQ100 - 24K Gate SX FPGA, 81 I/O, TQFP-100 | Microsemi
A54SX16-2VQ100

A54SX16-2VQ100 - 24K Gate SX FPGA, 81 I/O, TQFP-100 | Microsemi

The Microsemi (now Microchip Technology) A54SX16-2VQ100 is a 24,000-gate SX-family antifuse FPGA with 81 user I/O pins and a 320 MHz toggle capability, housed in a 100-pin TQFP (14x14 mm, VQ100) surface-mount package. It operates from dual supply rails of 3.0V-3.6V and 4.75V-5.25V over a commercial temperature range of 0C to +70C. A field-programmable gate array (FPGA) is a semiconductor device containing configurable logic blocks and programmable interconnects that the designer wires together after manufacturing. Within the programmable logic hierarchy, the A54SX16 sits in the high-density antifuse FPGA class: FPGA -> programmable logic device -> application-specific integrated circuit (ASIC) alternative. Antifuse technology programs connections permanently at power-up programming, providing nonvolatile, radiation-tolerant configuration without an external boot PROM. Key features include a sea-of-modules architecture that shortens design cycles, 16K system gates (924 logic cells), dual-voltage operation that separates the 5V-tolerant I/O ring from the 3.3V core, and a -2 speed grade supporting system toggle rates up to 320 MHz. The antifuse fabric consumes very low static power compared with SRAM FPGAs and is immune to configuration bitstream readback, giving inherent design security. Technically, the SX family uses a 0.35 um CMOS process with Actel's proprietary Act1/Act2-style logic modules and antifuse interconnect. The VQ100 package provides 81 available I/O on a 0.5 mm lead pitch, and the dual-rail scheme allows direct interface to legacy 5V TTL systems while running the core at 3.3V for power savings. Typical applications include glue logic integration and ASIC prototyping, industrial control and automation interfaces, telecommunications line-card support logic, and legacy avionics and defense system sustainment where the permanent antifuse configuration is preferred. A key design consideration: this part is obsolete and RoHS non-compliant (tin-lead leads), so new designs should target the RoHS-compliant SX-A (A54SX16A) family, while existing designs should secure lifetime-buy stock. This page synthesizes distributor stock data, drop-in package-compatible alternatives, and practical design notes not consolidated in the manufacturer datasheet.

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A54SX16-2VQG100 - SX FPGA 16K Gates 100-TQFP | Microsemi
A54SX16-2VQG100

A54SX16-2VQG100 - SX FPGA 16K Gates 100-TQFP | Microsemi

The Microsemi (Microchip) A54SX16-2VQG100 is an SX-family Field Programmable Gate Array (FPGA) with 16,000 gates, 924 logic cells, 81 user I/O, and up to 320 MHz system performance, housed in a 100-pin TQFP (100-VQFP, 14x14 mm) surface-mount package. It operates from dual supply domains of 3V to 3.6V and 4.75V to 5.25V and is commercial-temperature graded (0C to +70C). An FPGA (Field Programmable Gate Array) is a semiconductor device containing configurable logic blocks (CLBs) and programmable interconnects that the designer wires together after manufacturing. Within the programmable logic hierarchy, the A54SX16 sits at the FPGA level above CPLDs and below large system-on-chip FPGAs, making it a classic glue-logic integration and high-speed state-machine device. The Actel SX family pioneered a sea-of-modules architecture that delivers ASIC-like performance and integration without the NRE cost or lead time of a masked ASIC. Key features of the A54SX16-2VQG100 include antifuse-based one-time programmable configuration, which is inherently non-volatile, immune to configuration readback attacks, and removes the need for an external boot flash. The 0.35 um process with sea-of-modules routing yields deterministic, short interconnect delays that support the family's rated clock rates. Dual 3.3V/5V supply support simplifies migration of legacy 5V designs into mixed-voltage systems. Technically, the device contains 924 logic cells organized as 1452 modules per the SX module architecture, and the -2 speed grade denotes the faster of the standard commercial speed bins. Because configuration is stored in antifuse elements rather than SRAM, the A54SX16 powers up instantly with no configuration time, a decisive advantage in control, avionics-adjacent industrial, and telecommunications line-card applications where instant-on behavior is required. Typical applications include industrial automation controllers, telecommunications and networking line cards, defense and aerospace subsystem upgrades, and high-speed state machines replacing multiple TTL/CMOS glue-logic devices. The 100-TQFP footprint with 81 I/O offers a good balance of pin count and board area. Design considerations: the SX family is one-time programmable, so functional changes require a new device rather than a reflash; allocate engineering time for verification before committing boards. Estimated power depends heavily on toggle rates, so use the manufacturer power calculator during budgeting. This page synthesizes verified distributor pricing, drop-in same-package alternatives, and practical design notes not found in a single manufacturer datasheet, giving engineers a complete sourcing and selection reference for the A54SX16-2VQG100.

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A54SX16-2VQG100I - 24K Gate SX FPGA, 81 I/O | Microsemi
A54SX16-2VQG100I

A54SX16-2VQG100I - 24K Gate SX FPGA, 81 I/O | Microsemi

The Microsemi (Microchip) A54SX16-2VQG100I is an SX-family antifuse Field Programmable Gate Array (FPGA) delivering 24,000 usable gates, 924 logic cells, and 81 user I/O in a 100-pin TQFP (VQFP, 14x14 mm) package, with dual supply rails of 3.0 V to 3.6 V and 4.75 V to 5.25 V and a speed grade of -2 for industrial temperature operation. 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-level path runs: FPGA -> programmable logic device -> digital IC -> semiconductor. The Actel SX family uses a sea-of-modules architecture with a fine-grained logic module array, which delivers ASIC-like gate efficiency and high system clock rates (up to 320 MHz toggle frequency per distributor data) without the configuration memory of SRAM FPGAs. Key features include 0.35 um CMOS antifuse technology that is non-volatile and live-at-power-up, 1452 logic array blocks (LABs), dual 3.3 V / 5 V supply operation for mixed-voltage system integration, and 81 configurable I/O supporting common single-ended standards. The antifuse programming method produces no configuration bitstream to load, reducing boot complexity and offering inherent resistance to configuration readback. Architecturally, the SX sea-of-modules structure places combinational and sequential logic modules in a dense regular array, minimizing routing delays and enabling deterministic, performance-intensive designs at low power compared to SRAM-based alternatives. Typical applications include industrial control and automation logic, communications and networking glue logic, aerospace and defense system controllers, and bridge/sequencing functions in embedded systems where instant-on behavior matters. Design consideration: because antifuse devices are one-time programmable, verify the design thoroughly in simulation before programming; also budget for the dual supply rails required by this part. This page consolidates distributor pricing tiers, drop-in same-package alternatives, design notes, and FAQ content not found together on the manufacturer datasheet page.

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A54SX16-CQ208B - 16K Gate SX FPGA 205MHz CQFP-208 | Microsemi
A54SX16-CQ208B

A54SX16-CQ208B - 16K Gate SX FPGA 205MHz CQFP-208 | Microsemi

The Microsemi (Actel) A54SX16-CQ208B is a 16,000-system-gate antifuse FPGA from the SX family, offering 924 logic cells, toggle-rate performance up to 205 MHz, and 175 user I/Os in a 208-pin Ceramic Quad Flat Pack (CQFP) with tie bar. The device operates from dual 3.3V and 5V supply rails (3.0V to 3.6V core, 4.75V to 5.25V I/O) and is fabricated on a 0.35 um CMOS process. An FPGA (Field-Programmable Gate Array) is a semiconductor device containing a matrix of configurable logic blocks and programmable interconnects that the designer configures after manufacturing. Unlike SRAM-based FPGAs that load their configuration from an external memory at each power-up, the SX family uses Actel's proprietary antifuse technology, which is programmed once and retains configuration permanently. This places the SX family in the hierarchy: FPGA -> programmable logic device -> programmable SoC/silicon -> semiconductor, and makes it inherently resistant to configuration readback attacks. Key features include the sea-of-modules architecture delivering ASIC-like gate utilization, one-time programmable antifuse interconnect with no configuration boot time, system speed up to 205 MHz, and 5V-tolerant I/O operation suited to legacy industrial bus voltages. The ceramic CQFP package with tie bar provides excellent thermal dissipation and mechanical robustness, supporting higher-temperature and high-reliability environments typical of ceramic-packaged devices. Technically, the SX architecture organizes logic into repeating C-cells (combinational) and R-cells (sequential/register), clustered into fast, low-skew routing segments that enable deterministic, near-ASIC timing. The antifuse fabric adds negligible interconnect capacitance compared to SRAM switch technology, which is why SX devices reach high toggle frequencies despite the 0.35 um process node. Typical applications include glue-logic integration and bus bridging in industrial control systems, Mil/Aero legacy board designs, telecommunication line cards, and obsolescence-mitigation designs where a 5V-tolerant, single-chip, instantly-on FPGA is required. Design consideration: because the device is one-time programmable, verify your design thoroughly in simulation and, where possible, prototype on a larger SX device before committing. Power decoupling on both VCC and VCCA rails with 0.1 uF ceramics per pin cluster is essential. This page synthesizes distributor pricing and stock data, same-package alternatives, and practical design guidance not found in the manufacturer datasheet. Pricing shown as of 2026-09-03.

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A54SX16-CQ256 - SX FPGA 24K Gates 180 I/O CQFP-256 | Microsemi
A54SX16-CQ256

A54SX16-CQ256 - SX FPGA 24K Gates 180 I/O CQFP-256 | Microsemi

The Microsemi (now Microchip) A54SX16-CQ256 is an SX-family antifuse FPGA with an estimated 24,000 system gates, 1452 logic array blocks (LABs), and 180 user I/Os, housed in a 256-ball fine-pitch ceramic CQFP package (256-BFCQFP exposed pad and tie bar, 75x75 mm body). 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. The SX family uses a sea-of-modules architecture combined with a one-time-programmable antifuse interconnect, placing it in the hierarchy: FPGA -> programmable logic device -> programmable semiconductor. Unlike SRAM FPGAs, the antifuse configuration is non-volatile and immune to configuration readback. Key features include the sea-of-modules architecture that delivers high routing efficiency and deterministic timing, dual supply operation (3.0 V to 3.6 V core/ring and 4.75 V to 5.25 V per the device specification page), 180 programmable I/O pins for wide bus interfaces, and a ceramic CQFP package suited to demanding environments. Antifuse programming also removes the need for an external configuration PROM, reducing BOM cost and board area. Technically, the device offers an estimated 24,000 gates and 1452 LABs in a performance-oriented architecture that the manufacturer states enables dramatic reductions in design cost, power, and time-to-market for performance-intensive applications. Logic is implemented in a fine-grained module structure that simplifies synthesis and timing closure compared with coarse-grained alternatives. Typical applications include aerospace and industrial control logic, bus bridging and glue logic consolidation, communication equipment state machines, and military-grade systems where ceramic packaging and one-time programmability are preferred. Design consideration: because the device is one-time programmable, verify the complete design in simulation and, ideally, on a prototyping device before committing the production part - programming errors cannot be erased. This page synthesizes distributor pricing, verified drop-in alternatives, pin-count guidance, and practical design notes not found in the manufacturer datasheet.

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A54SX16-PQG208 - SX FPGA 16K Gates 175 I/O 208-QFP | Microsemi
A54SX16-PQG208

A54SX16-PQG208 - SX FPGA 16K Gates 175 I/O 208-QFP | Microsemi

The Microsemi (Actel) A54SX16-PQG208 is a 16K-gate SX-family FPGA with 924 logic modules, 175 user I/O pins, and a system speed of up to 240 MHz, housed in a 208-pin BFQFP (PQFP, 28x28 mm) surface-mount package. It operates from dual supply rails of 3V to 3.6V and 4.75V to 5.25V, enabling 3.3V core operation with 5V-tolerant system interfacing. A field-programmable gate array (FPGA) is an integrated circuit that implements user-defined digital logic through a matrix of configurable logic blocks and programmable interconnects. Within the programmable logic hierarchy, the FPGA sits above CPLDs and SPLDs in gate-count and functional capacity, and the SX family occupies the high-performance segment of Actel's antifuse-based FPGA portfolio, later inherited by Microsemi and now Microchip Technology. The defining feature of the SX family is its sea-of-modules architecture, which delivers logic performance and integration levels not achieved by conventional FPGA architectures of its generation. According to the Microchip 54SX family datasheet, this architecture greatly simplifies design time, reduces design cost and power consumption, and shortens time to market for performance-intensive applications. The 0.35 um process technology and module-based fabric allow deterministic, low-skew routing suited to high-speed synchronous designs. Technically, the A54SX16 provides 924 logic cells organized into array modules that support fast register-heavy designs, with clock rates up to 240 MHz. The dual-rail power scheme (3.3V and 5V) simplifies integration into mixed-voltage legacy systems without bus-hold or level-shifting circuitry on many I/O standards. Because the fabric is one-time programmable, configuration data is retained without an external boot PROM, improving system reliability and design security compared with SRAM FPGAs. Typical applications include industrial control and automation, communications and networking line cards, test and measurement instrumentation, and military/aerospace subsystems requiring nonvolatile, secure programmable logic. The 175 available I/O pins and 208-pin PQFP footprint suit moderate-density glue logic replacement, bus bridging, and state-machine-intensive control designs. When designing with the A54SX16-PQG208, plan the power distribution for both supply domains and verify that the one-time-programmable workflow fits your prototyping model, since design changes require a new device rather than in-system reconfiguration. This page synthesizes distributor availability data, drop-in alternatives within the SX/SX-A family, and practical design guidance not found in the manufacturer datasheet.

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