A54SX72A-FGG256M - 108K Gate SX-A Antifuse FPGA | Microchip
MPN： A54SX72A-FGG256M ✓ 啟用中A54SX72A-FGG256M 概覽
An antifuse FPGA is a field-programmable gate array whose interconnect is permanently programmed by electrically forming antifuse links. Unlike SRAM-based FPGAs, the antifuse configuration is non-volatile, one-time programmable, immune to configuration readback, and requires no external configuration PROM, making the device suitable for secure, single-chip system integration at boot. In the programmable logic hierarchy, the SX-A family sits among one-time-programmable FPGA architectures based on a 0.25 um CMOS process with a sea-of-modules fabric of combinational and sequential logic modules.
Key features include 72,000 typical gate capacity in the largest SX-A die, 203 available user I/O in the 256-FBGA, quadrant and global clock networks (CLKA, CLKB and QCLK routing) supporting synchronous designs above 200 MHz, and low static power consumption characteristic of antifuse technology. The FGG256M suffix denotes the commercial temperature range in a 256-ball FBGA in tray packaging.
The architecture provides deterministic, pin-to-pin performance with no reconfiguration latency, which suits designs where configuration security, radiation-tolerant design heritage, and immediate-on operation matter more than in-system reprogrammability.
Typical applications include industrial control and automation, communications and networking interface glue logic and bridging, aerospace and defense control systems leveraging Microsemi heritage, and single-chip integration of multiple discrete logic functions to reduce board cost.
Design consideration: because the device is one-time programmable, bitstream verification in Libero SoC design software is essential before programming; prototype on the companion SX-A programming hardware before committing production sockets.
This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet.
直接替換替代品，適用於 A54SX72A-FGG256M — 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-FGG256M （相同外形與佔位） — 差異在於 Package, Operating Temperature, System Gates, Process Technology, RoHS Status.
A54SX72A-1FGG256M
✅ 直接替換聯絡詢價
查看資料表 →A54SX72A-FG256
✅ 直接替換聯絡詢價
查看資料表 →A54SX72A-FGG484M
✅ 直接替換聯絡詢價
查看資料表 →A54SX72A-1FGG484I
✅ 直接替換聯絡詢價
查看資料表 →A54SX72A-2FGG484I
✅ 直接替換聯絡詢價
查看資料表 →A54SX72A-1PQG208M
✅ 直接替換聯絡詢價
查看資料表 →A54SX72A-FGG256M 最大額定值與電氣特性
| Family | SX-A (Antifuse FPGA) |
| System Gates | 108000 |
| Typical Gates | 72000 |
| Logic Cells (Modules) | 4024 |
| Number of I/O | 203 |
| Core Supply Voltage | 2.5 V |
| Maximum Toggle Frequency | 217 MHz |
| Process Technology | 0.25 um CMOS |
| Programmability | One-Time Programmable (Antifuse) |
| 封裝 | 256-Ball FBGA (FGG256) |
| 安裝類型 | Surface Mount |
| Temperature Range | Commercial (M suffix) |
| Packaging | Tray |
| Clock Networks | CLKA, CLKB, QCLK global and quadrant routing |
A54SX72A-FGG256M 256-ball fbga (fgg256) 腳位配置指南
A54SX72A-FGG256M（256-ball fbga (fgg256) 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-FGG256M.
請參閱 資料表 以查看完整腳位配置。
典型應用
A54SX72A-FGG256M 適用於 6 應用s: Industrial Control and Automation, Communications and Networking Interface Logic, Aerospace and Defense Control Systems, Test and Measurement Instrumentation, Single-Chip Logic Integration / Glue Logic Consolidation, Secure Boot and Configuration-Free Systems.
Industrial Control and Automation
The A54SX72A-FGG256M fits industrial control because its 108,000 system gates and 203 user I/O integrate PLC I/O handling, counters, and sequencer logic into one non-volatile antifuse device that boots instantly with no configuration PROM. Its 217 MHz system performance and deterministic antifuse timing provide repeatable latency for machine-control state machines, while the 2.5V core keeps static power low in always-on cabinets. Used as glue logic between motor controllers, sensors, and fieldbus transceivers, the M-suffix commercial grade covers typical 0C to +70C enclosure environments; use the I-grade variant for extended -40C to +85C factory-floor installations. The one-time-programmable fabric also prevents field tampering of proprietary control logic.
推薦
Communications and Networking Interface Logic
In networking equipment, the A54SX72A-FGG256M serves as high-density interface bridging: 203 user I/O accommodate parallel backplanes, switch fabric glue logic, and line-card handshaking, while quadrant clock networks (CLKA, CLKB, QCLK) support multiple synchronous domains up to 217 MHz. Because antifuse interconnect is fixed after programming, timing between packet-processing blocks is deterministic and immune to SRAM configuration-upset concerns in carrier equipment. The device integrates what previously required multiple CPLDs and discrete logic, reducing board cost per Microchip's SX-A positioning. The 2.5V core draws low static current, important in rack-scale power budgets across hundreds of line cards.
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Aerospace and Defense Control Systems
The SX-A family descends from Microsemi's high-reliability antifuse heritage, making the A54SX72A-FGG256M a natural fit for terrestrial defense electronics: avionics ground test sets, radar timing generators, and secure controller boards. The one-time-programmable antifuse fabric offers inherent configuration security - logic cannot be read back - and no configuration PROM exists to corrupt at boot. Designers prototype on standard SX-A hardware and migrate to the radiation-tolerant RT54SX72S when orbital deployment demands it, preserving a common design flow in Libero SoC. The 108K-gate capacity accommodates telemetry framing, bus arbitration, and fault-management state machines in a single 256-FBGA.
推薦
Test and Measurement Instrumentation
Bench and automated test equipment benefit from the A54SX72A-FGG256M's combination of 4,024 logic modules, 203 I/O, and 217 MHz toggle capability, which support pattern generators, timing controllers, and trigger arbitration logic. Deterministic antifuse routing means channel-to-channel skew is stable unit-to-unit - a key requirement when the FPGA drives calibrated stimulus into a device under test. Instant-on operation removes configuration delay from measurement setup sequences, and the non-volatile fabric survives power cycling without reconfiguration errors that could invalidate automated test runs. The 256-FBGA also keeps signal stubs short for timing-critical I/O.
推薦
Single-Chip Logic Integration / Glue Logic Consolidation
Microchip positions SX-A explicitly for integrating multiple functions into a low-cost, single-chip solution, and the A54SX72A is the family's largest die at 72,000 typical gates. Boards carrying several CPLDs, PALs, and 74xx-style discrete logic can consolidate address decoding, bus bridging, interrupt controllers, and sequencing into this one 256-FBGA, cutting BOM count, board area, and assembly cost. Because the fabric is one-time programmable and non-volatile, the consolidated design behaves like a masked ASIC for inventory and qualification purposes while retaining late-stage programmability before production programming. This is the primary economic justification for choosing SX-A over SRAM FPGAs in cost-driven systems.
推薦
Secure Boot and Configuration-Free Systems
Systems that must become operational within milliseconds of power application - security controllers, access-control units, and fault-monitoring hardware - benefit from the A54SX72A-FGG256M's boot-free antifuse architecture: there is no bitstream to load, no configuration flash to verify, and no window during which the device is uninitialized. The antifuse interconnect is immune to readback attacks, protecting embedded IP and preventing configuration cloning, per Microchip's security positioning for SX-A. Combined with 203 I/O for sensor and actuator interfaces and deterministic 217 MHz timing, the device forms a fixed-function trusted control core whose behavior is identical on every shipped unit.
推薦
推薦產品摘要
工程參考資料，適用於 A54SX72A-FGG256M — 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-1FGG256M | A54SX72A-FG256 | A54SX72A-FGG484M | A54SX72A-1PQG208M |
|---|---|---|---|---|---|
| Package | 256-FBGA (FGG256) | 256-FBGA - same footprint | 256-FBGA - same footprint family | 484-FBGA - larger | 208-PQFP - different |
| Brand | Microchip Technology (Microsemi) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 108000 | 108000 | 108000 | 108000 | 108000 |
| Core Supply Voltage | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V |
| Speed Grade | Standard | -1 (slower) | Standard | Standard | -1 (slower) |
| Programming Type | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) |
主要差異化特點
- Largest SX-A die with standard speed grade in compact 256-FBGA (對比A54SX72A-1FGG256M)
- Same-die 484-ball option for more I/O (對比A54SX72A-FGG484M)
- Non-volatile antifuse security vs SRAM FPGAs (對比A54SX72A-1PQG208M)
設計說明
The A54SX72A is one-time programmable: once antifuses are blown, the device cannot be erased or reprogrammed. Complete full timing simulation and place-and-route verification in Microchip Libero SoC before programming any production unit, and always prototype on a low-cost SX-A device or programming adapter first. Ordering the wrong speed grade or temperature suffix is unrecoverable after programming - confirm the FGG256M ordering code against the SX-A datasheet ordering-information table.
The SX-A family operates from a 2.5V core supply on a 0.25 um process. Estimated: because antifuse interconnect draws essentially zero static configuration current (unlike SRAM FPGAs), static power is very low, but dynamic power scales with toggle rate and I/O loading - plan decoupling with bulk 10uF plus 0.1uF ceramic capacitors at each VCCA/VCCI bank. Verify I/O bank supply (VCCI) requirements for the signaling standards used on the 203 user I/O from the SX-A datasheet power section.
For the 256-ball FBGA, use the exact land-pattern drawing from the SX-A family datasheet package section. Route quadrant clock inputs (CLKA, CLKB, QCLK) symmetrically to reduce intra-domain skew, referencing the Microchip application notes on A54SX72A quadrant clocks cited in the datasheet. Keep high-fanout nets on global clock routing and assign I/O before place-and-route so bank voltage assignments comply with VCCI groupings.
合規資訊
Compliance status not stated in provided web data; DigiKey notes exact specifications should be obtained from the product data sheet. Verify RoHS/lead-free status on the Microchip A54SX72A product page.
