A54SX72A-CQ256B - SX-A 108K Gate Antifuse FPGA | Microchip
부품 번호: A54SX72A-CQ256B ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $285 | $285.00 |
| 10 | $270.75 | $2,707.50 |
| 100 | $256.5 | $25,650.00 |
| 500 | $242.25 | $121,125.00 |
| 1,000 | $228 | $228,000.00 |
A54SX72A-CQ256B 개요
An antifuse FPGA is a one-time-programmable (OTP) programmable logic device whose interconnect switches are permanently formed at programming time. Unlike SRAM FPGAs, antifuse devices retain their configuration through power cycles without any external configuration ROM, offer intrinsic resistance to bitstream readback attacks, and exhibit very low static power - placing them in the programmable logic hierarchy below modern SRAM-based FPGA families but above ASICs for low-to-medium volume designs.
Key features include 72K gates of registered programmable logic, high-speed flip-flops with clock rates in excess of 200 MHz, dedicated global and quadrant clock networks (CLKA, CLKB, and QCLK) for low-skew clocking, and the military-grade ceramic CQFP package with tie bar for reliable solder mounting and hermetic sealing. The 0.25um CMOS antifuse technology delivers deterministic timing, making the device well suited to glue logic consolidation and state-machine heavy designs.
The SX-A architecture uses a Sea-of-Modules fabric composed of combinatorial and sequential modules organized into clusters and quadrants. Interconnect is formed by one-time programmable antifuse elements, giving fixed, timing-verified routing after programming. Design entry is via Libero SoC (formerly Actel Designer), with VHDL/Verilog synthesis and static timing analysis.
Typical applications include military and aerospace embedded controllers, industrial automation glue logic, communications interface bridging, and obsolescence-mitigation redesigns where OTP security and instant-on configuration are required.
Design consideration: because the device is one-time-programmable, verify the complete design with simulation and a target-board prototype before programming production units; antifuse programming is irreversible.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
드롭인 대체품: A54SX72A-CQ256B — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: A54SX72A-CQ256B (동일 폼 팩터 및 풋프린트) — 차이점: Package, Process Technology, System Gates, Maximum Toggle Frequency, Family.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
A54SX72A-1CQ256B
✅ 드롭인✓ 재고 있음
가격 문의
데이터시트 보기 →A54SX72A-CQ256M
✅ 드롭인✓ 재고 있음
$2429.15 / 개
데이터시트 보기 →A54SX72A-CQ256M
✅ 드롭인✓ 재고 있음
$2429.15 / 개
데이터시트 보기 →A54SX32-CQ256B
✅ 드롭인✓ 재고 있음
가격 문의
데이터시트 보기 →A54SX32-CQ256M
✅ 드롭인✓ 재고 있음
가격 문의
데이터시트 보기 →A54SX72A-CQ256B 최대 정격 & 전기적 특성
| Family | SX-A (Antifuse FPGA) |
| System Gates | 108000 |
| Logic Gates | 72K |
| Logic Cells | 4024 |
| CLBs / LABs | 6036 |
| User I/O | 203 |
| Maximum Toggle Frequency | 217 MHz |
| Supply Voltage (Core) | 2.5 V |
| Supply Voltage Range | 2.25 V to 5.25 V (per variant data) |
| Process Technology | 0.25 um / 0.22 um CMOS |
| Programmability | One-Time Programmable (antifuse, OTP) |
| Configuration Memory | Non-volatile antifuse (no external boot device) |
| Clock Networks | CLKA, CLKB global clocks plus QCLK quadrant clocks |
| 패키지 | 256-pin CQFP (BFCQFP with tie bar), square, flat leads |
| Package Code | QFF |
| Temperature Grade | Military (B suffix) |
| 실장 유형 | Surface Mount |
A54SX72A-CQ256B qff 핀 구성 가이드
A54SX72A-CQ256B(qff 패키지)의 핀 구성입니다. 이 디지털 IC에는 GPIO, 통신 인터페이스(UART, SPI, I2C), 전원 핀이 포함되어 있습니다. 대체 핀 기능과 구성 옵션은 제조사 데이터시트를 참조하십시오. 임베디드 시스템 설계와 PCB 레이아웃에 필수적입니다.
다음에 대한 상세 핀아웃 데이터 없음: A54SX72A-CQ256B.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
A54SX72A-CQ256B 적합 용도: 6 애플리케이션s: Military and Aerospace Embedded Controllers, Industrial Automation Glue Logic Consolidation, Communications Interface Bridging, Obsolescence Mitigation and Redesign, High-Reliability Power-Up-Critical Sequencing Logic, Secure Single-Chip Integration.
Military and Aerospace Embedded Controllers
The A54SX72A-CQ256B fits military controller designs because its hermetic 256-pin ceramic CQFP package, military B temperature grade, and one-time-programmable antifuse fabric address the reliability and anti-tamper requirements of defense electronics. The 108K system gates and 203 user I/Os provide enough capacity to integrate address decoding, bus interfaces, and control state machines into a single chip, replacing multiple MSI/LSI devices. Because configuration is stored in antifuse switches, the device powers up instantly with no configuration PROM and cannot be read back, simplifying secure disposal of design IP. Designers should validate timing at worst-case military temperature corners using Libero SoC static timing analysis before fuse programming.
추천
Industrial Automation Glue Logic Consolidation
In industrial PLC, motor-control, and backplane applications, the A54SX72A-CQ256B consolidates address decoders, interrupt controllers, and handshaking glue logic into one 72K-gate device. Its deterministic antifuse timing - toggle rates up to 217 MHz - and instant-on configuration mean the logic is active the moment power is applied, which is valuable for safety interlocks that must be valid at power-up without waiting for a configuration controller. The 2.5V core with tolerant I/O interfaces eases integration into mixed-voltage industrial racks. Note that at 1-2W-class power levels the ceramic CQFP dissipates heat through its leads, so copper pour under the package is recommended in estimate terms for high-utilization designs.
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Communications Interface Bridging
The A54SX72A-CQ256B serves as a protocol bridge and framer in telecommunications and datacom line cards. With 203 user I/Os and global CLKA/CLKB plus quadrant QPLL-class QCLK clock networks, it can implement multi-domain clocking for serial-parallel conversion, FIFO interfaces, and backplane arbitration with low skew. The antifuse fabric's fixed routing yields deterministic, simulation-accurate timing above 200 MHz, which matters for TDM-style interfaces where setup/hold margins are verified once and never drift. Designs requiring more than 50% of the die should be checked against the A54SX32 footprint reduction path only if capacity allows.
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Obsolescence Mitigation and Redesign
The A54SX72A-CQ256B is frequently used in lifetime-buy and redesign programs for legacy defense and industrial systems. Because the SX-A family remains supported in Microchip Libero SoC and the ceramic CQFP-256 matches many legacy board footprints, upgrading from older Actel SX or SX-A parts (e.g., A54SX32-CQ256B) to the 72K-gate SX72A can be done without PCB respin when pinout compatibility is confirmed in the datasheet pin tables. The OTP antifuse also removes configuration-ROM obsolescence risk, a common failure point in legacy SRAM FPGA retrofits. Verify utilization fits the target die before committing to the migration.
추천
High-Reliability Power-Up-Critical Sequencing Logic
Applications such as avionics power sequencers, safety interlocks, and test-set control need logic valid within microseconds of power application. The A54SX72A-CQ256B's antifuse configuration is hard-wired at programming, so there is no configuration latency, no bitstream corruption risk from SEU in configuration memory, and no external flash to fail. The 2.5V core and 217 MHz-class flip-flops implement multi-channel sequencer state machines comfortably, while the 203 I/Os monitor and drive power-good and enable lines. Designers should implement redundancy in the fabric for the highest-criticality paths and verify at military temperature corners.
추천
Secure Single-Chip Integration
Where IP protection is paramount - encryption key handling logic, proprietary control algorithms, copy-sensitive products - the A54SX72A-CQ256B's OTP antifuse architecture provides intrinsic security: there is no configuration bitstream in external memory to intercept, and no readback path from programmed antifuses. The 72K gates integrate the complete secure function on one chip, and the hermetic ceramic package supports tamper-evident potting approaches. Unlike SRAM FPGAs that must reload secret bitstreams at every power-up, this device requires physical decapsulation to attack, raising the cost of reverse engineering substantially.
추천
추천 제품 요약
엔지니어링 참조 데이터: A54SX72A-CQ256B — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | A54SX72A-1CQ256B | A54SX72A-CQ256M | A54SX72A-CQ256 | A54SX32-CQ256B | A54SX32-CQ256M |
|---|---|---|---|---|---|---|
| Package | 256-pin CQFP (BFCQFP with tie bar) | 256-pin CQFP - same | 256-pin CQFP - same | 256-pin CQFP - same | 256-pin CQFP - same | 256-pin CQFP - same |
| Brand | Microchip Technology (Actel/Microsemi) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 108000 | 108000 | 108000 | 108000 | 54000 (36K gates) | 54000 (36K gates) |
| Logic Cells | 4024 | 4024 | 4024 | 4024 | 1800 | 1800 |
| Max Toggle Frequency | 217 MHz | 250 MHz (-1 speed grade) | 217 MHz class | 217 MHz class | 217 MHz class | 217 MHz class |
| Core Supply Voltage | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V |
| Temperature Grade | Military (B) | Military | Military (M screening) | Commercial/Industrial | Military (B) | Military (M) |
| Programming | One-time programmable antifuse | OTP antifuse | OTP antifuse | OTP antifuse | OTP antifuse | OTP antifuse |
주요 차별점
- Standard speed grade at lowest cost within the same footprint (vs A54SX72A-1CQ256B)
- Largest gate count available in the CQFP-256 footprint (vs A54SX32-CQ256B)
- Military B-grade hermetic ceramic packaging (vs A54SX72A-CQ256)
- Trade-off: OTP fabrication limits prototyping iterations (vs SRAM-based FPGAs)
설계 노트
The A54SX72A is one-time programmable: once antifuses are burned the device cannot be erased or reprogrammed. Complete functional simulation, timing closure at worst-case corners, and an engineering-lot prototype pass are mandatory before fuse programming of production units. Keep the generated fuse file under configuration management - a lost or corrupt fuse file cannot be recovered from a programmed device, since antifuse state is not readable back.
The 256-pin CQFP with tie bar has leads on all four sides; use the manufacturer-recommended land pattern and inspect with X-ray or AOI for solder bridges on the 0.5mm-class lead pitch typical of CQFP. The tie bar should be soldered or mechanically secured per the assembly drawing to prevent lead resonance in vibration environments. Provide solid ground planes under the package and decouple the 2.5V core with at least 10uF bulk plus 0.1uF ceramics at each supply corner (estimate; follow datasheet power section for exact counts).
Use the dedicated CLKA/CLKB global clocks and QCLK quadrant clocks for clock distribution rather than general routing - per Microchip application notes on A54SX72A quadrant clocks, this minimizes skew across the fabric. Register high-fanout control signals and pipeline long paths; antifuse routing is fixed after programming, so leave timing margin rather than relying on post-route optimization that would require reprogramming.
규정 준수 정보
Military-grade hermetic ceramic CQFP product; RoHS/Pb status not stated in verified distributor data as of 2026-09-03. Confirm material declaration with Microchip before procurement.
