A54SX72A-FFG484 - 108K-Gate SX-A FPGA 360 I/O | Microchip
MPN： A54SX72A-FFG484 ✓ 啟用中A54SX72A-FFG484 概覽
A field programmable gate array (FPGA) is a semiconductor device containing a matrix of configurable logic blocks interconnected by programmable fabric, allowing designers to implement custom digital logic without fabricating an ASIC. The SX-A family uses Actel antifuse programmable-interconnect technology, which permanently programs connections at power-up configuration time - in contrast to SRAM FPGAs, the configuration is non-volatile, immune to configuration readback attacks, and requires no external configuration ROM.
Key features include 2.25 V to 5.25 V supply operation, 0.25 um CMOS process technology, 0 C to +70 C commercial operating temperature range, and true single-chip integration that removes the need for boot PROMs. The antifuse fabric delivers deterministic interconnect delays, predictable timing, and low static power, while the 360 available I/O support mixed-voltage board environments common in industrial and aerospace logic designs.
Architecturally, the SX-A array combines dedicated flip-flops, combinational modules, and embedded routing channels sized for high fan-out synthesis. Design entry and programming use the manufacturer's Libero SoC design suite with Synopsys or third-party synthesis flows targeting the Actel/Microsemi antifuse toolchain.
Typical applications include glueless bus interfacing, industrial control logic, communication protocol bridging, military/aerospace secure logic (the antifuse fabric resists configuration readout), and ASIC prototyping where a one-time-programmable, radiation-tolerant-friendly fabric is preferred.
Design consideration: because this is a one-time-programmable (OTP) antifuse device, verify the design fully in simulation and timing analysis before programming, and use the -FFG (commercial speed) grade only within the 0 C to +70 C range; the industrial -I grade is required for extended temperatures.
This page synthesizes distributor pricing, drop-in package-compatible alternatives, and practical design notes not found in the manufacturer datasheet.
直接替換替代品，適用於 A54SX72A-FFG484 — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： A54SX72A-FFG484 （相同外形與佔位） — 差異在於 Package, RoHS Status, Operating Temperature, Speed Grade, Process Technology.
A54SX72A-FFGG484
✅ 直接替換聯絡詢價
查看資料表 →A54SX72A-FG484A
✅ 直接替換聯絡詢價
查看資料表 →A54SX72A-FG484
✅ 直接替換聯絡詢價
查看資料表 →A54SX72A-FGG484
✅ 直接替換聯絡詢價
查看資料表 →A54SX72A-FGG484A
✅ 直接替換聯絡詢價
查看資料表 →A54SX72A-FG484I
✅ 直接替換聯絡詢價
查看資料表 →A54SX72A-FG484M
✅ 直接替換聯絡詢價
查看資料表 →A54SX72A-FFGG484
✅ 直接替換聯絡詢價
查看資料表 →A54SX72A-FFG484 最大額定值與電氣特性
| Family | SX-A (Actel/Microsemi antifuse FPGA) |
| System Gates | 108000 |
| Logic Cells / CLBs | 6036 |
| Maximum System Frequency | 156 MHz |
| User I/O | 360 |
| 供應電壓 | 2.25 V to 5.25 V |
| Process Technology | 0.25 um CMOS |
| Programmability | Antifuse (one-time programmable) |
| 工作溫度 | 0C to +70C |
| 封裝 | 484-BGA FBGA, 27x27 mm, 1 mm pitch |
| 安裝類型 | Surface Mount |
| Packaging | Tray |
| RoHS 狀態 | Non-compliant (FFG variant); -FFGG variant is ROHS3 compliant |
| Manufacturer Lead Time | 36 weeks |
| Product Status | Active |
A54SX72A-FFG484 484-bga fbga, 27x27 mm, 1 mm pitch 腳位配置指南
A54SX72A-FFG484（484-bga fbga, 27x27 mm, 1 mm pitch 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： A54SX72A-FFG484.
請參閱 資料表 以查看完整腳位配置。
典型應用
A54SX72A-FFG484 適用於 6 應用s: Aerospace Secure Logic, Industrial Control Logic, Communication Protocol Bridging, ASIC Prototyping, Legacy System Sustainment, Test & Measurement Instrumentation.
Aerospace Secure Logic
The A54SX72A-FFG484 fits aerospace and defense logic because its antifuse interconnect is permanently programmed and cannot be read back, eliminating configuration-readout attacks that affect SRAM FPGAs. The 108K system gates and 6,036 CLBs absorb bus interface, telemetry formatting, and protocol bridging functions that would otherwise need multiple ASICs. Because no boot PROM is required, the board powers up functional within microseconds - valuable in systems with strict time-to-first-fix or time-to-valid-output budgets. Designers should select the appropriate temperature grade (commercial FFG for benign environments) and confirm screening with Microchip for flight programs.
推薦
Industrial Control Logic
In industrial automation, the A54SX72A-FFG484 consolidates glue logic, state machines, and bus arbitration into one 484-FBGA device operating from a 2.25 V to 5.25 V supply that matches legacy 3.3 V and 5 V backplanes. The 360 user I/O directly drive encoder interfaces, relay-control sequencing, and parallel data paths without external buffers. The antifuse fabric delivers deterministic timing across 156 MHz system operation, simplifying worst-case timing closure on safety-related interlocks. Since the device is one-time programmable, production units are immune to bitstream corruption from industrial EMI - a real failure mode for SRAM-based FPGAs in high-noise factory floors.
推薦
Communication Protocol Bridging
The 156 MHz maximum system frequency and 6,036 CLBs let the A54SX72A-FFG484 implement parallel-to-serial bridges, multi-protocol framers, and backplane interfaces between legacy parallel buses and modern serial links. The 360 I/O support wide data buses (32/64-bit) that modern FPGAs serialize into fewer, faster pins - preserving compatibility with established board designs. Deterministic antifuse routing produces consistent latency, which matters for frame-synchronized communication systems. Designers implement the bridge in Libero SoC using Verilog/VHDL, verify timing at the speed grade, and program production devices with a frozen fuse file.
推薦
ASIC Prototyping
The SX-A family's 108K-gate density and predictable antifuse timing make the A54SX72A-FFG484 practical for ASIC prototyping and low-volume emulations where netlist timing must mirror final silicon behavior. Multiple devices can be partitioned across a prototype board, using the 360 I/O per device to expose internal buses on headers for instrumentation. Because configured devices are permanent, prototype builds validate exactly the fuse image that will ship, avoiding the configuration-mismatch risk of SRAM prototypes. Teams typically reserve the FFG (commercial, lead-bearing) grade for internal lab prototypes and specify FFGG for customer-facing RoHS-compliant prototypes.
推薦
Legacy System Sustainment
Mature avionics, test equipment, and telecom platforms originally built around Actel SX-A devices rely on the A54SX72A-FFG484 for lifetime sustainment. Because Microchip continues the SX-A line as active, boards can be re-populated with the same die rather than redesigned onto modern FPGAs. The identical 484-FBGA pinout across FFG, FG, FGG, and I/M grades lets buyers swap finish or temperature variants without PCB changes - critical when original tooling is gone. Note the RoHS non-compliant FFG finish requires lead exemption documentation in regulated markets; the FFGG484 is the compliant substitute with the same footprint and timing.
推薦
Test & Measurement Instrumentation
Instrument makers use the A54SX72A-FFG484 for timing generators, trigger logic, and data-path formatting where deterministic antifuse delays improve measurement repeatability. The 6,036 CLBs and 156 MHz ceiling cover nanosecond-resolution trigger engines, while the 360 I/O interface ADC buffers, display controllers, and external sync connectors on a single device. The 2.25 V to 5.25 V supply range simplifies integration into instruments with mixed legacy rails. Bench instruments also benefit from OTP determinism: every unit programs to the identical fuse image, so unit-to-unit timing skew stays within package and process tolerances specified in the SX-A datasheet.
推薦
推薦產品摘要
工程參考資料，適用於 A54SX72A-FFG484 — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | A54SX72A-FFGG484 | A54SX72A-FG484A | A54SX72A-FG484I | A54SX72A-FG484M |
|---|---|---|---|---|---|
| Package | 484-FBGA (27x27 mm, 1 mm pitch) | 484-FBGA - same | 484-FBGA - same | 484-FBGA - same | 484-FBGA - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 108000 | 108000 | 108000 | 108000 | 108000 |
| CLBs | 6036 | 6036 | 6036 | 6036 | 6036 |
| User I/O | 360 | 360 | 360 | 360 | 360 |
| Operating Temperature | 0C to +70C | 0C to +70C | 0C to +70C | -40C to +85C (industrial) | Military grade range |
| Supply Voltage | 2.25 V to 5.25 V | 2.25 V to 5.25 V | 2.25 V to 5.25 V | 2.25 V to 5.25 V | 2.25 V to 5.25 V |
主要差異化特點
- RoHS-compliant drop-in available on identical footprint (對比A54SX72A-FFGG484)
- Extended temperature coverage in same package (對比A54SX72A-FG484I)
- Deterministic antifuse fabric vs flash alternatives (對比AX500-FG484)
設計說明
The SX-A is one-time programmable (antifuse). Freeze the design in Libero SoC - complete synthesis, place-and-route, static timing analysis at the FFG speed grade, and simulation against the post-layout netlist - before programming any production device. Programming an unverified fuse file cannot be undone, and the device must be scrapped. Keep a checksum of the programming file in your build system to guarantee unit-to-unit traceability.
Supply range is 2.25 V to 5.25 V, but design your rail at the system nominal (typically 3.3 V) with at least 0.1 uF ceramic decoupling per power ball pair plus bulk capacitance at the FBGA's perimeter. Because the FFG variant uses a lead-bearing ball finish, set reflow profiles to leaded (SnPb) eutectic parameters; the FFGG drop-in requires a lead-free profile - do not mix profiles when substituting during assembly.
Estimated: at typical industrial logic utilization (roughly 200-400 mW core static plus dynamic I/O loading on 360 pins), a 27x27 mm FBGA on a standard 4-layer board stays well within commercial 0-70 C limits without heatsinking. For the -I or -M grades in sealed enclosures, verify junction temperature with the package theta-JA from the SX-A datasheet mechanical section and derate I/O drive simultaneously.
合規資訊
Per Microchip USA: A54SX72A-FFG484 RoHS non-compliant, 36-week manufacturer lead time, Tray packaging, Active status. The A54SX72A-FFGG484 variant is ROHS3 compliant.
