A54SX72A-PQ208 - 108K Gate Antifuse FPGA, 208-PQFP | Microchip
料号： A54SX72A-PQ208 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $95 | $95.00 |
| 10 | $88 | $880.00 |
| 100 | $79 | $7,900.00 |
| 500 | $72 | $36,000.00 |
| 1,000 | $65 | $65,000.00 |
A54SX72A-PQ208 概述
An antifuse FPGA is a type of field-programmable gate array in which the programmable interconnect is formed by one-time-programmable antifuse elements rather than SRAM configuration cells or flash. Within the programmable logic hierarchy (FPGA -> programmable logic device -> digital IC), antifuse devices occupy the non-volatile, configuration-retention niche: the programmed connections are permanent, so no external configuration ROM is required at power-up, and the bitstream cannot be read out of the device.
Key features of the A54SX72A-PQ208 include the 0.25 um CMOS process technology, up to 2,012 dedicated flip-flops, multiple global and quadrant clock networks (CLKA, CLKB, and QCLK), and low static power consumption enabled by the antifuse architecture. The 171 available user I/O on the PQ208 package supports mixed-voltage interfacing across the wide 2.25V to 5.25V supply range.
The SX-A architecture uses a sea-of-modules fabric with combinational and sequential logic modules, giving deterministic interconnect delays that simplify timing closure compared with SRAM FPGAs. According to the Microchip SX-A Family FPGAs datasheet, the A54SX72A delivers high performance at low power, and the family is positioned for integrating multiple functions into a low-cost, single-chip solution.
Typical applications include industrial control and automation, glue logic integration and system consolidation, bridge and interface functions, and prototyping for the rad-tolerant RT54SX-S space devices, which Microchip documents as pin compatible in CQ208/PQ208 packages.
A key design consideration: antifuse devices are one-time programmable, so all functional verification must be completed in simulation before programming; budget spare I/O and logic capacity of at least 20% for design changes.
This page synthesizes distributor pricing, same-package drop-in speed/temperature-grade variants, and practical design notes not consolidated in the manufacturer datasheet. Pricing shown is indicative as of 2026-09-03.
直接替换替代料： A54SX72A-PQ208 ——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-PQ208 （相同外形与封装尺寸） ——差异在于 Package, Clock Networks, System Gates, Process Technology, Dedicated Flip-Flops.
快速对比工具——选择替代料号进行并排对比：
A54SX72A-PQG208
✅ 直接替换✓ 有现货
$181.3 / 个
查看数据手册 →A54SX72A-PQ208I
✅ 直接替换✓ 有现货
$45.1 / 个
查看数据手册 →A54SX72A-PQ208M
✅ 直接替换✓ 有现货
$68 / 个
查看数据手册 →A54SX72A-PQG208I
✅ 直接替换✓ 有现货
$86.9 / 个
查看数据手册 →A54SX72A-PQG208M
✅ 直接替换✓ 有现货
$3667.221 / 个
查看数据手册 →A54SX72A-1PQG208I
✅ 直接替换✓ 有现货
$79 / 个
查看数据手册 →A54SX72A-PQG208A
✅ 直接替换✓ 有现货
$62.5 / 个
查看数据手册 →A54SX72A-PQ208 最大额定值与电气特性
| Family | SX-A (Actel antifuse FPGA) |
| System Gates | 108,000 |
| Logic Cells | 4,024 |
| User I/O Pins | 171 |
| Dedicated Flip-Flops | Up to 2,012 |
| Maximum Toggle Frequency | 217 MHz |
| Process Technology | 0.25 um CMOS |
| Supply Voltage Range | 2.25 V to 5.25 V |
| Core Supply Voltage | 2.5 V |
| 工作温度 | 0C to +70C (commercial) |
| 封装 | 208-BFQFP (PQFP-208) |
| 安装类型 | Surface Mount |
| Programming Technology | Antifuse (one-time programmable) |
| Clock Networks | CLKA, CLKB, QCLK (global and quadrant) |
| Configuration Storage | Non-volatile (no external configuration ROM) |
| Packaging | Tray |
A54SX72A-PQ208 208-bfqfp (pqfp-208) 引脚配置指南
A54SX72A-PQ208（208-bfqfp (pqfp-208) 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-PQ208.
请参阅 数据手册 以查看完整引脚配置。
典型应用
A54SX72A-PQ208 适用于 6 应用s: Industrial Control and Automation, Prototyping for RT54SX-S Space Designs, System Glue Logic Integration, Bridge and Interface Functions, Secure Single-Chip Design Consolidation, Test and Measurement Equipment.
Industrial Control and Automation
The A54SX72A-PQ208 fits industrial control systems because its 2.25V to 5.25V supply range bridges legacy 5V PLC backplanes and modern 3.3V logic without level-shifting glue, and its 171 user I/O handles parallel fieldbus, encoder, and relay-interface signals on one device. In use, the antifuse fabric consolidates counters, state machines, and interface bridges that previously consumed several PLDs, reducing BOM cost and board area. Because the configuration is non-volatile, the controller is functional immediately at power-up with no configuration controller - a hard requirement in factory equipment. Designers should budget at least 20% spare gates for field revisions, since antifuse programming is permanent.
推荐
Prototyping for RT54SX-S Space Designs
Microchip application note AC195 establishes the A54SX72A-PQ208 as the commercial prototyping vehicle for rad-tolerant RT54SX-S space FPGAs: the RTSX-SU device in the CQ208 package is pin compatible with the equivalent SX-A device in PQ208. Teams develop and simulate flight logic on the low-cost commercial part, validate timing at up to 217 MHz toggle rates, and then migrate to the space-grade device as a drop-in. The performance consideration is that commercial speed grades may differ slightly from space-grade AC timing, so final timing closure must be re-verified on the RT54SX-S target before flight build release.
推荐
System Glue Logic Integration
The A54SX72A-PQ208 excels at replacing clusters of discrete logic - address decoders, bus transceivers, wait-state generators, and interrupt controllers - with a single 208-pin device. Its 4,024 logic cells and up to 2,012 dedicated flip-flops absorb medium-density glue functions, while 171 I/O pins connect multiple buses simultaneously across the 2.25V to 5.25V supply range. Antifuse interconnect gives deterministic delays that simplify meeting legacy bus timing margins compared with SRAM FPGA routing variance. The trade-off is permanence: verify the integrated logic exhaustively in simulation before programming, since each device supports only one configuration.
推荐
Bridge and Interface Functions
Bus and protocol bridge designs benefit from the SX-A architecture's dedicated CLKA, CLKB, and QCLK clock networks, which allow multiple independent clock domains - for example a 66 MHz PCI-style interface and a slower peripheral bus - with quadrant clock isolation on the A54SX72A die. The wide I/O voltage support enables direct interfacing between 5V TTL buses and 3.3V or 2.5V subsystems on the same chip. With 171 available user I/O on PQ208, wide parallel buses up to 64 bits plus control are practical. Designers should register all domain-crossing signals and account for inter-domain timing using the datasheet quadrant clock specifications.
推荐
Secure Single-Chip Design Consolidation
Because the antifuse bitstream cannot be read back and configuration is stored internally, the A54SX72A-PQ208 provides inherent design-security advantages over SRAM FPGAs, whose bitstreams live in external configuration devices. Microchip positions the SX-A family for integrating multiple functions into a low-cost, single-chip solution with performance, security, and low power. This suits proprietary industrial products where IP protection matters, such as licensed equipment controllers. The consideration is inventory: any design iteration consumes a fresh device, so procurement should stock spare programmed and unprogrammed units for production rework scenarios.
推荐
Test and Measurement Equipment
Test and measurement instruments use the A54SX72A-PQ208 for timing generators, pattern generators, and measurement front-end sequencing where deterministic propagation delay is more valuable than reprogrammability. The 217 MHz toggle capability and multiple global clock networks support counter/timer chains and high-resolution time-stamping, while 2,012 dedicated flip-flops provide the register-heavy structures such designs need. Non-volatile antifuse configuration means the instrument powers up instantly into a known state, avoiding configuration latency at power-on. Engineers should verify setup/hold margins against the SX-A datasheet timing model at their actual clock frequency before freezing the design.
推荐
推荐产品汇总
工程参考数据： A54SX72A-PQ208 ——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-PQG208 | A54SX72A-PQ208I | A54SX72A-PQ208M | A54SX72A-1PQG208I |
|---|---|---|---|---|---|
| Package | 208-PQFP (BFQFP) | 208-PQFP (BFQFP) - same | 208-PQFP (BFQFP) - same | 208-PQFP (BFQFP) - same | 208-PQFP (BFQFP) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 108,000 | 108,000 | 108,000 | 108,000 | 108,000 |
| User I/O | 171 | 171 | 171 | 171 | 171 |
| Supply Voltage 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 |
| Operating Temperature | 0C to +70C | 0C to +70C (commercial, green pkg) | Industrial grade (extended) | Military grade (extended) | Industrial grade (extended) |
| Programming Technology | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) |
关键差异点
- Non-volatile, read-back-proof configuration （对比 SRAM-based FPGAs (e.g., Xilinx Spartan class))
- Wide 2.25V-5.25V single-rail operation （对比 A54SX72A-PQG208 (same die))
- Pin-compatible space migration path （对比 RT54SX-S (CQ208))
- Deterministic antifuse interconnect timing （对比 SRAM FPGA alternatives)
设计说明
The A54SX72A is a one-time-programmable antifuse device. Every configuration error consumes a physical device - there is no rework or erase. Complete post-layout timing simulation and static timing analysis in Microchip (Actel) Designer before generating the programming fuse file, and order at least 10-15% spare devices for programming yield and design iterations. Never treat the first programmed unit as production-representative without a full functional test plan.
Supply the A54SX72A-PQ208 with a rail anywhere in the 2.25V to 5.25V range, but recognize that all I/O switch at that single rail - there are no independent I/O banks. Decouple with a network of at least 0.1 uF ceramic capacitors distributed around the 208-pin package plus bulk capacitance at each corner. Simultaneous switching output noise grows with the number of I/O toggling; group high-fanout outputs on adjacent quadrants and use the QCLK quadrant clocking to contain ground bounce.
The 208-pin PQFP has gull-wing leads on 0.5 mm pitch requiring accurate footprint land patterns per the mechanical drawing in the SX-A datasheet. Inspect solder joints with X-ray or angled AOI since inner rows are hard to see optically. Avoid rework-heavy flow: PQFP lead rework is labor-intensive and risks lifted leads. If migrating later to RT54SX-S in CQ208 for space programs, confirm the CQ208/PQ208 land pattern compatibility per application note AC195 before layout freeze.
合规信息
The original A54SX72A-PQ208 may predate lead-free conversion; the green-package PQG208 variants are the RoHS-focused options. Confirm current compliance status on the official Microchip product page or certificate of conformance.