A54SX72A-2FGG256 - 108K Gate Antifuse FPGA 256-BGA | Microchip
料号： A54SX72A-2FGG256 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $272.15 | $272.15 |
| 10 | $258.54 | $2,585.40 |
| 100 | $244.94 | $24,494.00 |
| 500 | $231.33 | $115,665.00 |
| 1,000 | $217.72 | $217,720.00 |
A54SX72A-2FGG256 概述
An antifuse FPGA is a one-time-programmable (OTP) programmable logic device whose interconnect switches are permanently formed at programming time. Unlike SRAM-based FPGAs, antifuse devices retain their configuration through power cycles without an external configuration flash, offer inherent resistance to bit-stream copying, and exhibit lower static power and better SEU immunity. Within the programmable logic hierarchy, the SX-A family sits among Actel-origin (now Microchip/Microsemi) antifuse FPGAs, positioned as a low-cost, high-performance, single-chip integration solution.
Key features of the A54SX72A-2FGG256 include the largest gate count in the SX-A family (108K system gates), a sea-of-modules architecture built on a 0.25 um CMOS process operating from a 2.5V core supply, and speed grade -2 performance supporting clocks up to 313 MHz. The FGG256 package provides 203 usable user I/O on a 1.0 mm ball pitch, supporting fine-pitch surface-mount assembly.
Technically, the device uses multiplexer-based combinational modules and register modules arranged in a sea-of-modules fabric, with dedicated global and quadrant clock networks (CLKA, CLKB, and QCLK) for low-skew clock distribution. Routing is performed through one-time-programmable antifuse elements, giving deterministic, configuration-free power-up behavior and strong design security since the programmed netlist cannot be read back.
Typical applications include industrial control, telecommunications and networking line cards, aerospace/defense logic consolidation, medical equipment glueless interface bridging, and legacy system life-cycle extension where SRAM FPGA configuration overhead or security concerns make OTP antifuse logic preferable.
Design consideration: because the device is one-time-programmable, verify the complete design in simulation and, where available, in a larger-package prototype before committing the antifuse programming step; programming errors are not recoverable.
This page synthesizes distributor pricing, same-package drop-in alternatives from the SX-A family, and practical design notes not found in the manufacturer datasheet.
直接替换替代料： A54SX72A-2FGG256 ——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-2FGG256 （相同外形与封装尺寸） ——差异在于 Package, System Gates, Operating Temperature, Process Technology, RoHS Status.
快速对比工具——选择替代料号进行并排对比：
A54SX72A-1FGG256M
✅ 直接替换✓ 有现货
$258.66 / 个
查看数据手册 →A54SX72A-FGG256M
✅ 直接替换✓ 有现货
$136 / 个
查看数据手册 →A54SX72A-FG256
✅ 直接替换✓ 有现货
$89 / 个
查看数据手册 →A54SX32A-2FGG256I
✅ 直接替换✓ 有现货
$368.59 / 个
查看数据手册 →A54SX32A-1FGG256M
✅ 直接替换✓ 有现货
$62.5 / 个
查看数据手册 →A54SX72A-2FGG484
✅ 直接替换✓ 有现货
$85.6 / 个
查看数据手册 →A54SX72A-2FGG256 最大额定值与电气特性
| Family | SX-A (Actel antifuse FPGA) |
| System Gates | 108000 gates |
| Typical Gates | 72000 gates |
| Logic Cells (CLBs) | 6036 |
| Number of Logic Modules | 4024 |
| User I/O | 203 |
| Max Clock Frequency | 313 MHz |
| 电源电压 | 2.5 V |
| Technology | 0.25 um CMOS, antifuse OTP |
| Speed Grade | -2 |
| Program Type | One-Time Programmable (antifuse) |
| 封装 | 256-BGA (FBGA), 1.0 mm ball pitch |
| 安装类型 | Surface Mount |
| RoHS 状态 | Lead free (RoHS compliant per distributor data) |
| Programming Method | Antifuse programmer (external programmer required) |
A54SX72A-2FGG256 256-bga (fbga), 1.0 mm ball pitch 引脚配置指南
A54SX72A-2FGG256（256-bga (fbga), 1.0 mm ball pitch 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-2FGG256.
请参阅 数据手册 以查看完整引脚配置。
典型应用
A54SX72A-2FGG256 适用于 6 应用s: Industrial Control and Automation, Telecommunications and Networking Line Cards, Aerospace and Defense Logic Consolidation, Medical Equipment Interface Bridging, Legacy System Life-Cycle Extension, Test and Measurement Instrumentation.
Industrial Control and Automation
The A54SX72A-2FGG256 fits industrial control boards because its antifuse configuration is present at power-up with no boot device, eliminating configuration-failure failure modes in PLC I/O cards and motor-drive sequencers. The 108K-gate fabric with 6036 logic cells consolidates glue logic, encoders, bus interfaces, and state machines into one 2.5 V CMOS device, while 203 user I/Os bridge parallel field buses and sensor arrays. The 313 MHz speed-grade -2 timing comfortably exceeds industrial clock needs, so designs close timing with margin on routing-dominated paths.
推荐
Telecommunications and Networking Line Cards
In telecom line cards, the A54SX72A-2FGG256 provides deterministic, instantly available control logic for framer interfacing, backplane handshaking, and maintenance-channel processing. Its 2.5 V 0.25 um CMOS process yields moderate dynamic power at line-card clock rates, and the antifuse fabric avoids the configuration load transient SRAM FPGAs impose on card power sequencing. With 203 user I/O and up to 313 MHz toggle capability, the device maps typical SONET/Ethernet framing glue and register banks, and quadrant clock networks (CLKA/CLKB/QCLK) distribute low-skew clocks across the 256-ball FGG256 footprint.
推荐
Aerospace and Defense Logic Consolidation
The antifuse architecture of the A54SX72A-2FGG256 suits defense electronics where configuration immutability and read-back protection matter: the programmed netlist cannot be dumped, providing inherent IP protection, and no external configuration flash exists to corrupt. The M-screened family variants (e.g., A54SX72A-FGG256M) support military screening flows. The 108K-gate capacity replaces multiple MSI/PLD devices in avionics interface adapters, reducing board area and part count, while 2.5 V core operation limits static draw in power-constrained platforms.
推荐
Medical Equipment Interface Bridging
Medical diagnostic equipment benefits from the A54SX72A-2FGG256 as a glueless bridge between sensor front ends, DSPs, and system backplanes. Instant-on antifuse configuration means the instrument is functional the moment power is applied - valuable for patient-safety interlock logic that must never wait on configuration loading. The 6036-cell fabric implements interrupt controllers, FIFO glue, and parallel interfaces; 203 user I/O covers multi-channel connectivity, and the deterministic, read-back-protected fabric supports design-security requirements of proprietary medical algorithms.
推荐
Legacy System Life-Cycle Extension
For obsolete ASIC, PLD, or discrete-logic replacement, the A54SX72A-2FGG256 provides a low-cost single-chip integration path: its 108K gates absorb multiple legacy PAL/GAL/22V10 and SSI/MSI devices, and the stable Microchip/Microsemi supply line supports long-term programs. Because the antifuse device requires no configuration PROM, the retrofit drop onto an existing 5 V-to-2.5 V level-shifted board is simplified, and the FGG256 1.0 mm-pitch footprint exists in multiple speed grades so future board builds can pivot between grades without PCB change.
推荐
Test and Measurement Instrumentation
Bench and automated test equipment use the A54SX72A-2FGG256 for timing-controller, trigger, and pattern-generator logic. Speed-grade -2 timing up to 313 MHz supports fast state-machine and strobe generation, while the 2.5 V fabric with 203 I/Os interfaces to level-shifted TTL/CMOS test fixtures. The OTP fabric eliminates configuration-time jitter between measurement runs - the device is live at every power cycle - and deterministic routing suits instruments where reproducible timing skews matter to measurement accuracy across the production floor.
推荐
推荐产品汇总
工程参考数据： A54SX72A-2FGG256 ——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-1FGG256M | A54SX72A-FGG256M | A54SX72A-FG256 | A54SX32A-2FGG256I | A54SX72A-2FGG484 |
|---|---|---|---|---|---|---|
| Package | 256-FBGA (FGG256), 1.0 mm pitch | 256-FBGA (FGG256) - same footprint | 256-FBGA (FGG256) - same footprint | 256-FBGA - same footprint family | 256-FBGA (FGG256) - same footprint | 484-FBGA - different footprint |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 108000 | 108000 | 108000 | 108000 | 36000 | 108000 |
| Logic Cells (CLBs) | 6036 | 6036 | 6036 | 6036 | 2016 | 6036 |
| Speed Grade | -2 (up to 313 MHz) | -1 | Base (slowest) | Base (slowest) | -2 | -2 (up to 313 MHz) |
| Supply Voltage | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V |
| Screening / Temperature Grade | Commercial/Industrial (standard) | Military (M) | Military (M) | Standard | Industrial (I) | Standard |
关键差异点
- Largest SX-A fabric on the FGG256 footprint （对比 A54SX32A-2FGG256I)
- Fastest speed grade in the family （对比 A54SX72A-1FGG256M)
- Cost-optimized commercial screening （对比 A54SX72A-FGG256M)
- Instant-on OTP configuration （对比 A54SX72A-2FGG484)
设计说明
The A54SX72A-2FGG256 operates from a 2.5 V core supply with separate VCCA (analog/plant) and programming-voltage (VPP) pins per the SX-A family datasheet power scheme. Provide local 0.1 uF ceramic decoupling at each supply ball group plus bulk capacitance near the device. Because antifuse fabric draws no configuration surge, inrush is governed only by clock activity; still, follow the datasheet's power-up ramp-rate and sequencing guidance to avoid latch-up on mixed-rail boards that also carry 3.3 V or 5 V logic.
This is a one-time-programmable antifuse device: a design or pinout error discovered after programming consumes the part. Always close timing in the Libero/Designer toolchain at speed grade -2, run full post-layout simulation, and lock the pin assignment report before sending the design to the antifuse programmer. Keep the netlist, pin report, and programming file under revision control - the programmed device cannot be read back, so the source database is the only recovery path.
The FGG256 package uses a 1.0 mm ball pitch, allowing 4-mil (0.1 mm) via-in-pad or dog-bone fanout on standard 6-8 layer PCBs. Plan a fanout region of at least two escape rows around the 16x16 ball field, and reserve inner layers for the 2.5 V core plane to minimize IR drop. Dedicated clock balls (CLKA/CLKB/QCLK quadrants) should route to low-skew, length-matched traces; consult the SX-A datasheet package pinout tables before finalizing the footprint, since ball assignments differ from SRAM-FPGA BGA conventions.
合规信息
Distributor data (PCB Electronics) lists A54SX72A-2FGG256 as LEAD FREE. RoHS status per DigiKey/LCSC listing; REACH and conflict-minerals status not stated in provided data.
