A54SX72A-FGG256A - 108K Gate SX-A FPGA 256-BGA | Microchip
MPN： A54SX72A-FGG256A ✓ 啟用中A54SX72A-FGG256A 概覽
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, unlike fixed-function ASICs. The SX-A family belongs to the one-time-programmable antifuse class of FPGAs, positioned above simple PLDs and below large SRAM-based FPGAs in the programmable logic hierarchy. Antifuse programming means the configuration is non-volatile, immune to configuration readback, and requires no external boot flash.
Key features include 0.25 um antifuse technology, 108,000 equivalent gates with up to 6,036 modules, 203 programmable I/Os, quadrant clock networks (CLKA, CLKB and QCLK) for flexible clock distribution, and a single low-cost 2.5 V supply. The antifuse fabric delivers ASIC-like speeds (up to 217 MHz) with very low static power and inherently secure bitstream storage, making it attractive for designs where configuration integrity matters.
Architecturally, the SX-A fabric combines Combinatorial Modules and Sequential Modules in a sea-of-modules layout, with high-speed routing resources and dedicated global/quadrant clocking. The 0.25 um process supports 2.5 V operation while maintaining voltage-tolerant I/Os for mixed-voltage board environments.
Typical applications include industrial control, communications and networking glue logic integration, aerospace/defense secure designs, and single-chip integration of multiple discrete logic devices to reduce board area and bill-of-material cost.
Design consideration: as a one-time-programmable antifuse device, the design must be fully verified before programming; there is no in-circuit reprogramming. Plan I/O assignments and timing closure carefully in Libero/Microsemi design tools prior to programming.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet.
直接替換替代品，適用於 A54SX72A-FGG256A — 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-FGG256A （相同外形與佔位） — 差異在於 Package, System Gates, Operating Temperature, Typical Gates, Family.
A54SX72A-FGG256I
✅ 直接替換聯絡詢價
查看資料表 →A54SX72A-FGG256
✅ 直接替換聯絡詢價
查看資料表 →A54SX72A-FGG256M
✅ 直接替換聯絡詢價
查看資料表 →A54SX72A-1FGG256
✅ 直接替換聯絡詢價
查看資料表 →A54SX72A-2FGG256
✅ 直接替換聯絡詢價
查看資料表 →A54SX32A-FGG256A
✅ 直接替換聯絡詢價
查看資料表 →A54SX72A-FGG256A 最大額定值與電氣特性
| Family | SX-A (Antifuse FPGA) |
| System Gates | 108000 |
| Typical Usable Gates | 72000 |
| Number of I/O | 203 |
| Logic Cells / Modules | 4024 cells |
| Maximum System Frequency | 217 MHz |
| Process Technology | 0.25 um |
| 供應電壓 | 2.25 V to 5.25 V |
| Core Voltage | 2.5 V |
| Programming Technology | Antifuse (one-time programmable) |
| 工作溫度 | -40C to +125C |
| 封裝 | 256-BGA (17x17 mm FPBGA) |
| 安裝類型 | Surface Mount |
| Packaging | Tray |
| RoHS 狀態 | RoHS3 Compliant |
| Manufacturer Lead Time | 10 weeks |
| Product Status | Active |
A54SX72A-FGG256A 256-bga (17x17 mm fpbga) 腳位配置指南
A54SX72A-FGG256A（256-bga (17x17 mm fpbga) 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-FGG256A.
請參閱 資料表 以查看完整腳位配置。
典型應用
A54SX72A-FGG256A 適用於 6 應用s: Industrial Control and Automation, Communications and Networking Equipment, Aerospace and Defense Secure Logic, ASIC Prototyping and Bridge Logic, Single-Chip Logic Integration (BOM Reduction), Medical Instrumentation Control Logic.
Industrial Control and Automation
The A54SX72A-FGG256A fits industrial control systems that need to consolidate PLC glue logic, motor-control interface logic, and bus bridging into one deterministic device. Its 108,000 system gates and 4024 logic cells absorb counter/timer arrays, encoders, and state machines that would otherwise occupy several CPLDs, while the 217 MHz fabric speed comfortably handles 100 MHz-class interface timing. Because the antifuse configuration is non-volatile and immune to configuration upset, boards power up instantly with no bootloader, an advantage in factory equipment that must resume operation after power cycles. Industrial -40C to +125C temperature coverage on the I-suffix variants supports cabinet-mounted electronics.
推薦
Communications and Networking Equipment
In networking line cards and backplane interface boards, the A54SX72A-FGG256A serves as high-speed glue logic between PHYs, MACs, and processors. The quadrant clock architecture (CLKA, CLKB and QCLK per the SX-A datasheet) supports multiple clock domains typical of telecom designs, and 203 user I/Os cover wide parallel data buses at 217 MHz-class speeds. The antifuse fabric adds no configuration-readout risk in carrier equipment, and low static power reduces shelf power draw across card populations. The 17x17 mm 256-BGA footprint suits high-density line-card layouts where SRAM FPGAs with boot flash would consume excess area.
推薦
Aerospace and Defense Secure Logic
Defense electronics favors the A54SX72A-FGG256A because its one-time-programmable antifuse configuration cannot be dumped or altered, providing inherent design security that SRAM FPGAs cannot match without additional encryption overhead. The M-suffix (A54SX72A-FGG256M) extends temperature coverage for harsh environments, and the related RT54SX72S demonstrates the same die in radiation-tolerant form for space programs. With 108K gates, the device integrates crypto-adjacent interface logic, bus controllers, and telemetry formatting. Designers must complete full simulation before programming since no field update is possible - a trade accepted for configuration integrity.
推薦
ASIC Prototyping and Bridge Logic
Before committing to an ASIC tape-out, engineering teams map control logic onto the A54SX72A-FGG256A for system validation. The 0.25 um antifuse process delivers 217 MHz performance close to ASIC timing behavior, so prototype timing correlates better with final silicon than SRAM FPGA prototypes typically allow. Its 72,000 typical usable gates host mid-size controller blocks, and the fixed post-programming netlist eliminates prototype-to-prototype variation. Teams should reserve the device for final-stage prototypes, since each design iteration consumes a new programmed unit - an acceptable cost against the timing fidelity gained.
推薦
Single-Chip Logic Integration (BOM Reduction)
The A54SX72A-FGG256A replaces dozens of 74-series devices, PALs, and small CPLDs in legacy board redesigns. Microchip positions SX-A devices explicitly for system-wide savings by integrating multiple functions into a low-cost single-chip solution. With 108,000 gates and 203 I/Os, one 17x17 mm BGA can absorb address decoders, interrupt controllers, bus transceivers logic, and sequencers, shrinking PCB area, cutting assembly cost, and improving mean time between failures by removing interconnect solder joints. Non-volatile antifuse configuration removes the external configuration flash that SRAM FPGA consolidations still require.
推薦
Medical Instrumentation Control Logic
Medical diagnostic and monitoring equipment uses the A54SX72A-FGG256A for deterministic interface logic between sensors, acquisition front ends, and host processors. The -40C to +125C industrial rating exceeds medical ambient requirements with margin, and instant-on antifuse configuration ensures instruments are ready the moment power is applied - important for point-of-care devices. The 203 I/Os connect parallel sensor arrays and display interfaces, while the 217 MHz fabric supports real-time filtering and trigger logic. Design security from one-time programming also protects proprietary signal-processing implementations embedded in the fabric.
推薦
推薦產品摘要
工程參考資料，適用於 A54SX72A-FGG256A — 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-FGG256I | A54SX72A-FGG256M | A54SX72A-1FGG256 | A54SX32A-FGG256A |
|---|---|---|---|---|---|
| Package | 256-BGA (17x17 mm) | 256-BGA - same | 256-BGA - same | 256-BGA - same | 256-BGA - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 108000 | 108000 | 108000 | 108000 | ~40000 |
| 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
- Highest gate count in the SX-A 256-BGA family (對比A54SX32A-FGG256A)
- Non-volatile secure antifuse configuration (對比SRAM FPGAs (e.g., Xilinx/Intel equivalents))
- Multiple speed/temperature bins in identical footprint (對比A54SX72A-FGG256I / A54SX72A-2FGG256)
設計說明
The A54SX72A-FGG256A is one-time programmable antifuse silicon - once programmed, the design cannot be changed or read back. Complete all functional simulation, timing closure, and I/O verification in Microchip Libero/Microsemi Designer before releasing the fusemap to programming. Maintain strict revision control of the programming file, and order extra units to cover iterations during bring-up, since each design change consumes a new device.
Design the power tree around a nominal 2.5 V core supply (permitted range 2.25 V to 5.25 V per Microchip documentation). Antifuse FPGAs draw very low static current, but transient current scales with clock activity up to 217 MHz - apply bulk capacitance plus 0.1 uF ceramic decoupling at each VCC ball group per the SX-A datasheet power-supply guidance. Run the Libero power estimator with worst-case toggle rates rather than relying on typical figures for regulator sizing.
With 203 user I/Os in a 17x17 mm 256-BGA and possible operation into the hundreds of MHz, control edge rates and match trace lengths on parallel buses. Use the quadrant clock resources (CLKA, CLKB, QCLK) as intended - distribute each major clock domain to its quadrant to minimize clock skew, as described in Microchip's A54SX72A quadrant clocks application note. Simultaneous-switching output analysis is advised when driving wide buses from one bank.
合規資訊
RoHS3 compliant per Microchip USA product listing. Active product status with 10-week manufacturer lead time. REACH and conflict minerals status not stated in provided data.
