A54SX72A-FG484M - 108K-Gate Antifuse FPGA, 484-BGA | Microchip
料号： A54SX72A-FG484M ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $325 | $325.00 |
| 10 | $305.5 | $3,055.00 |
| 100 | $289 | $28,900.00 |
| 500 | $271 | $135,500.00 |
| 1,000 | $254 | $254,000.00 |
A54SX72A-FG484M 概述
An antifuse FPGA is a one-time-programmable (OTP) field programmable gate array in which programmable interconnect elements are permanently formed at programming time. Unlike SRAM-based FPGAs, antifuse devices require no configuration boot PROM, exhibit no configuration readback vulnerability, and offer inherently lower power and higher design security. Within the programmable logic hierarchy, the A54SX72A sits at the top of the Actel SX-A family, above the SX08A, SX16A and SX32A devices.
Key features include 6,036 configurable logic modules, a maximum toggle rate of up to 217 MHz (172 MHz system clock operation with 1.8 ns combinatorial CLB delay per Microchip USA data), and multi-voltage I/O support for 2.5 V, 3.3 V and 5.0 V signaling. The wide supply range of 2.25 V to 5.25 V on I/O banks allows direct interfacing with legacy 5 V systems while retaining 2.5 V core operation for low power.
The architecture is based on Actel's SX-A module fabric: combination and register modules arranged in clusters, with three dedicated global clock networks (CLKA, CLKB and quadrant clocks) for low-skew distribution, as documented in the Microchip SX-A Family FPGAs datasheet. Because interconnect is antifuse-based, routing resistance and capacitance are low, supporting predictable, near-ASIC timing for high-reliability and defense-oriented designs.
Typical applications include military and aerospace programmable glue logic, industrial control, communications line-card interface bridging, and legacy system redesigns where 5 V-tolerant I/O, OTP security and no-boot-time configuration are required.
Design consideration: because the device is one-time-programmable, programming errors cannot be recovered in-circuit - use the Actel/Microchip Libero design flow with thorough simulation before committing to device programming, and plan JTAG/STAPL programming access on the PCB.
This page synthesizes distributor pricing, same-package drop-in variant comparisons, and practical antifuse FPGA design notes not found in the manufacturer datasheet.
直接替换替代料： A54SX72A-FG484M ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： A54SX72A-FG484M （相同外形与封装尺寸） ——差异在于 Package, RoHS Status, Operating Temperature, Process Technology, Speed Grade.
快速对比工具——选择替代料号进行并排对比：
A54SX72A-FGG484M
✅ 直接替换✓ 有现货
$2920.69 / 个
查看数据手册 →A54SX72A-FGG484I
✅ 直接替换✓ 有现货
$115 / 个
查看数据手册 →A54SX72A-FGG484A
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →A54SX72A-FFGG484
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →A54SX72A-1FGG484M
✅ 直接替换✓ 有现货
$73.4 / 个
查看数据手册 →A54SX72A-FG484
✅ 直接替换✓ 有现货
$88.1 / 个
查看数据手册 →A54SX72A-FGG484
✅ 直接替换✓ 有现货
$118.6 / 个
查看数据手册 →A54SX72A-1FGG484I
✅ 直接替换✓ 有现货
$225 / 个
查看数据手册 →A54SX72A-FG484M 最大额定值与电气特性
| Family | SX-A (antifuse FPGA) |
| System Gates | 108000 gates |
| Typical Gates | 72000 gates |
| Logic Modules (Cells) | 4024 cells (6036 CLBs reported) |
| User I/O | 360 |
| 最大时钟频率 | 217 MHz (172 MHz system clock per Microchip USA) |
| Combinatorial CLB Delay | 1.8 ns |
| Core Supply Voltage | 2.5 V |
| I/O Supply Voltage Range | 2.25 V to 5.25 V |
| I/O Standards Supported | 2.5 V, 3.3 V, 5.0 V |
| Technology | 0.22 um / 0.25 um CMOS antifuse |
| Programmability | One-time programmable (OTP) antifuse |
| 封装 | 484-ball FBGA (FG484) |
| 安装类型 | Surface Mount |
| Packaging | Tray |
A54SX72A-FG484M 484-ball fbga (fg484) 引脚配置指南
A54SX72A-FG484M（484-ball fbga (fg484) 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： A54SX72A-FG484M.
请参阅 数据手册 以查看完整引脚配置。
典型应用
A54SX72A-FG484M 适用于 6 应用s: Military and Aerospace Programmable Logic, Legacy 5V Industrial Interface Bridging, Communications Line-Card Glue Logic, ASIC Prototyping and Bridge-to-ASIC, Test and Measurement Instrument Logic, Secure Embedded Controllers.
Military and Aerospace Programmable Logic
The A54SX72A-FG484M fits defense and aerospace programs where one-time-programmable antifuse configuration is a system requirement: there is no configuration PROM to fail in radiation-heavy environments and no bitstream readback path for reverse engineering. With 108,000 system gates, 6,036 logic modules and a 217 MHz toggle capability, it integrates bus interface control, address decoding and custom protocol glue logic that would otherwise need multiple ASICs. Its 2.5 V core lowers static power in battery- or conduction-cooled platforms, while the -M ordering flow targets extended-temperature operation. Designers typically implement the logic in Microchip Libero SoC, simulate fully, and program via JTAG/STAPL, stocking pre-programmed units because antifuse programming is irreversible.
推荐
Legacy 5V Industrial Interface Bridging
Many installed industrial backplanes, PLC racks and test fixtures still run 5 V TTL signaling that modern SRAM FPGAs cannot drive directly. The A54SX72A-FG484M addresses this with a 2.25 V to 5.25 V I/O supply range supporting 2.5 V, 3.3 V and 5 V I/O standards on 360 user I/Os, letting it connect directly to legacy boards. Its 108K gates absorb address decoding, bus arbitration and parallel-to-serial bridging functions, while the 1.8 ns combinatorial CLB delay keeps glue-logic timing paths well within microsecond-level industrial bus budgets. Because configuration is antifuse-based, the FPGA is active at power-up with zero boot time - important in equipment that must respond within milliseconds of energization. Designers should route 5 V I/O banks on dedicated supply planes and verify current per bank against SX-A datasheet ratings.
推荐
Communications Line-Card Glue Logic
Telecom and datacom line cards frequently need a security-conscious, low-power device to handle framing control, backplane handshaking and status aggregation between PHYs and a host processor. The A54SX72A-FG484M provides 360 I/Os - enough for wide parallel backplane interfaces - and 217 MHz toggle performance that comfortably covers TDM (up to ~155 Mbit/s class) control-plane logic. Per the SX-A datasheet, three dedicated global/quadrant clock networks (CLKA, CLKB, QCLK) deliver low-skew clocks across the die, simplifying synchronous frame-counter design. The antifuse fabric's low routing capacitance yields predictable timing that is easier to close on long backplane register paths than on dense SRAM FPGAs. OTP configuration also prevents unauthorized logic extraction from fielded network equipment.
推荐
ASIC Prototyping and Bridge-to-ASIC
Before committing to an ASIC tape-out, design teams can map control logic onto the A54SX72A-FG484M: its 108,000 gates approximate mid-size ASIC control blocks, and the antifuse fabric's near-ASIC timing behavior (fixed, low-capacitance routes after programming) gives timing data more representative of a hard-wired implementation than heavily routed SRAM FPGAs. With 360 I/Os, broad observation buses can be pinned out for silicon debug. The 2.5 V core keeps power comparable to target ASIC operating points during validation. Teams should partition the design early, freeze the pinout before place-and-route in Libero, and use the same RTL for both FPGA validation and ASIC synthesis to minimize divergence between prototype and final silicon.
推荐
Test and Measurement Instrument Logic
Bench and rack instruments use mid-density FPGAs for trigger engines, counter/timer arrays and front-panel bus decoding. The A54SX72A-FG484M's 217 MHz toggle rate and 1.8 ns CLB delay support sub-10 ns trigger-path resolution, while 360 I/Os interface parallel measurement buses, relay control matrices and display drivers on one chip. Its OTP configuration means the instrument is fully functional the instant power is applied - there is no configuration delay before a measurement controller can be serviced, a measurable benefit for automated test sequences that power-cycle fixtures between DUTs. Multi-voltage I/O lets one device bridge a 5 V legacy backplane to 3.3 V modern controllers. Designers should reserve spare I/O for future stimulus expansions because antifuse logic cannot be re-parsed after programming.
推荐
Secure Embedded Controllers
Applications that must resist logic cloning - secure encoders, key-management boxes, anti-tamper controllers - benefit from the A54SX72A-FG484M's antifuse one-time-programmable fabric: unlike SRAM FPGAs, there is no external bitstream to intercept and no configuration readback mechanism, so implemented algorithms remain physically embedded in the interconnect. The 108K-gate capacity accommodates symmetric ciphers, randomization logic and sensor-fusion state machines, and the 2.5 V core plus low antifuse static current suits always-on monitoring roles. Design guidance from Microchip's antifuse security application material recommends removing test-access structures in the final programmed image and programming secure devices only in controlled facilities, since a programmed antifuse netlist cannot be erased or re-keyed in the field.
推荐
推荐产品汇总
工程参考数据： A54SX72A-FG484M ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | A54SX72A-FGG484M | A54SX72A-FGG484I | A54SX72A-FGG484A | A54SX72A-FFGG484 | A54SX72A-FG484 |
|---|---|---|---|---|---|---|
| Package | 484-ball FBGA (FG484) | 484-ball FBGA - same | 484-ball FBGA - same | 484-ball FBGA - same | 484-ball FBGA - same | 484-ball FBGA - same |
| Brand | Microchip Technology (Actel/Microsemi) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 108000 | 108000 | 108000 | 108000 | 108000 | 108000 |
| User I/O | 360 | 360 | 360 | 360 | 360 | 360 |
| I/O Supply Range | 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 | 2.25 V to 5.25 V |
| Pb-Free Flow | No (standard FG finish) | Yes (GG flow) | Yes (GG flow) | Yes (GG flow) | Yes (GG flow) | No (RoHS non-compliant per Microchip USA) |
关键差异点
- Extended-temperature (-M) ordering flow in 484-FBGA （对比 A54SX72A-FG484)
- Standard-finish option for legacy qualification （对比 A54SX72A-FGG484M)
- Largest SX-A die on the proprietary antifuse fabric （对比 A54SX72A-PQG208M)
- Zero boot-time configuration （对比 SRAM FPGAs (Xilinx/Intel equivalents))
设计说明
Estimate core power per the SX-A datasheet power calculator: with a 2.5 V core and antifuse interconnect, static current is very low, but dynamic power scales with toggle rate - at 108K gates with 20% activity near 100 MHz, core dissipation can reach the watt range; verify with Microchip's SX-A power spreadsheet using your actual netlist. I/O power depends heavily on bank voltage: 5 V banks driving capacitive loads at high toggle rates dominate total dissipation. Budget per-bank current and add 10 uF bulk plus 0.1 uF ceramic decoupling at each VCC/VCCA pin group.
The 484-ball FBGA requires careful land-pattern design per the mechanical drawing in the SX-A datasheet and IPC-compliant via-in-pad fanout for dense routing. Follow the datasheet power/ground ball assignment exactly; do not relocate ground balls. Place 0.1 uF ceramic capacitors within 2 mm of each supply ball pair. For JTAG/STAPL programming access, bring TCK/TMS/TDI/TDO to a header before layout freeze - after antifuse programming, debug access options are limited.
The most frequent SX-A program failure mode is programming before simulation sign-off: antifuse devices cannot be reprogrammed, so any functional error scrapes the part. Complete gate-level simulation and static timing analysis in Libero, lock the pinout, and only then release the programming file. Also confirm ordering-code temperature grade: the -M suffix is the extended-temperature flow, while base FG484 parts are rated 0C to +70C per Microchip USA - mixing them in a -40C field system causes field failures.
Use the CLKA/CLKB global and quadrant clock networks (QCLK) described in the SX-A datasheet for all high-fanout clocks; routing clocks on general fabric adds skew and jitter that can close timing at 100+ MHz. For 5 V-tolerant I/O banks driving long backplane traces, add series source termination (22-33 ohm) to control overshoot, and verify per-bank ground-return paths since simultaneous switching on 360 available I/Os can cause ground bounce in shared return structures.
合规信息
The related base order code A54SX72A-FG484 is listed as RoHS non-compliant on Microchip USA; RoHS status of the -M suffix variant was not stated in the provided data - verify on the Microchip product page before procurement.