A54SX72A-1CQ208B - 108K-Gate Antifuse FPGA 208-CQFP | Microchip
부품 번호: A54SX72A-1CQ208B ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
A54SX72A-1CQ208B 개요
An antifuse FPGA is a one-time-programmable (OTP) programmable logic device in which permanent low-resistance interconnects are formed at programming. Compared with SRAM-based FPGAs, antifuse devices power up instantly with no configuration PROM, offer inherent resistance to radiation-induced configuration upset, and provide strong design security because the programmed netlist cannot be read back. Within the programmable logic hierarchy, the SX-A family sits among high-speed, low-power OTP FPGAs for aerospace, defense, and industrial systems.
Key features include a segmented routing architecture with four dedicated global/quadrant clock networks (CLKA, CLKB, and QCLK circuits), switching performance up to 217 MHz for the SX-A family, and multi-voltage I/O configurable from 2.25V to 5.25V, allowing direct interfacing with 5V legacy buses and 3.3V or 2.5V logic. The fabrication is a 0.22um/0.25um CMOS antifuse process.
The -1 speed grade suffix denotes the fastest bin of the 72K-gate SX72A device; the B suffix denotes the military B-grade screening over the full -55C to +125C temperature range, and the ceramic CQFP hermetic package supports high-reliability assembly flows. Typical applications include MIL-STD-1553 and ARINC bus glue logic, satellite and avionics payload control, secure single-chip integration of ASIC prototypes, and industrial control where instant-on configuration and configuration-readback security are required.
When designing with this device, plan pin assignments early: antifuse routing flexibility is lower than SRAM FPGAs, so aggressive pin locking can degrade routability and timing. Use the quadrant clock resources for high-fanout signals to preserve general routing.
This page synthesizes distributor availability data, drop-in alternatives, and practical design guidance not consolidated in the manufacturer datasheet. Pricing shown is quote-based as of 2026-09-03.
드롭인 대체품: A54SX72A-1CQ208B — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: A54SX72A-1CQ208B (동일 폼 팩터 및 풋프린트) — 차이점: Package, Process Technology, System Gates, Family, Operating Temperature.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
A54SX72A-CQ208B
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가격 문의
데이터시트 보기 →A54SX72A-1CQ208M
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가격 문의
데이터시트 보기 →A54SX72A-CQ208M
✅ 드롭인✓ 재고 있음
$228 / 개
데이터시트 보기 →A54SX72A-CQ208
✅ 드롭인✓ 재고 있음
$135 / 개
데이터시트 보기 →A54SX72A-2CQ208
✅ 드롭인 ⚠️ 사양 미검증📋 참조 대체품 (카탈로그에 없음)
A54SX72A-1CQ208B 최대 정격 & 전기적 특성
| Family | SX-A (Antifuse FPGA) |
| System Gates | 108000 gates |
| Logic Blocks (LABs/CLBs) | 6036 |
| User I/O | 171 |
| I/O Voltage Range | 2.25 V to 5.25 V |
| Speed Grade | -1 (fastest SX72A bin) |
| Maximum Toggle Rate (family) | up to 217 MHz |
| Global/Quadrant Clocks | CLKA, CLKB, QCLK quadrant clock networks |
| Process Technology | 0.22 um / 0.25 um CMOS antifuse |
| Program Type | One-Time Programmable (antifuse) |
| 동작 온도 | -55C to +125C (military B grade) |
| 패키지 | 208-BFCQFP with tie bar (ceramic, 75x75 mm) |
| 실장 유형 | Surface Mount |
| Package Hermeticity | Hermetic ceramic |
| Design Security | Configuration not readable (antifuse OTP) |
A54SX72A-1CQ208B hermetic ceramic 핀 구성 가이드
A54SX72A-1CQ208B(hermetic ceramic 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-1CQ208B.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
A54SX72A-1CQ208B 적합 용도: 6 애플리케이션s: Avionics Bus Interface and Glue Logic, Satellite Payload Control Logic, Secure Single-Chip ASIC Prototyping, Military Ground Systems and Rugged Industrial Control, Test and Measurement Instrument Backplane Logic, Telecommunications Line-Card Control.
Avionics Bus Interface and Glue Logic
The A54SX72A-1CQ208B fits avionics glue logic because its 171 I/O pins accept 2.25V to 5.25V, interfacing directly with 5V-tolerant legacy avionics signals such as MIL-STD-1553 and ARINC companion logic without level shifters. The military B-grade -55C to +125C rating and hermetic 208-pin ceramic CQFP with tie bar match certified aircraft hardware flows. In the circuit it replaces dozens of discrete SSI/MSI devices, integrating address decode, bus buffering, and control-state machines in one 108K-gate antifuse chip. Because the fabric is one-time programmable and loads no configuration at power-up, it is operational the moment avionics power rails settle, and its configuration cannot be read back, an asset in security-conscious airframe programs. Source: Microchip SX-A datasheet.
추천
Satellite Payload Control Logic
For satellite payload control, the antifuse fabric of the A54SX72A-1CQ208B provides configuration immunity: there is no SRAM configuration memory to upset, and the programmed netlist is physically permanent, which suits long-duration orbital missions. The hermetic ceramic CQFP-208 protects the die against outgassing and moisture ingress concerns in vacuum, and B-grade screening supports qualification test flows. The 6036 LABs implement telemetry formatting, telecommand decoders, and payload sequencers, while CLKA/CLKB and quadrant clock networks distribute timing across the chip with low skew. At 0.22um CMOS antifuse technology the static power is low, helpful for power-limited spacecraft. For programs needing rad-hard qualification, Microchip's RT54SX72S shares this architecture as the rad-tolerant derivative, though it is not pin-identical to this terrestrial part.
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Secure Single-Chip ASIC Prototyping
The A54SX72A-1CQ208B serves ASIC prototyping and low-volume ASIC replacement because its 108,000 system gates and 6036 LABs absorb moderate RTL designs, while antifuse one-time programming means the final netlist is as immutable as a mask-programmed part. Unlike SRAM FPGAs, there is no bitstream to extract, so the design cannot be cloned by reading configuration - Microchip markets SX-A explicitly for design security. Prototype in the same ceramic CQFP-208 package used in production hardware, avoiding board respins between prototype and delivery. The 2.25V to 5.25V multi-voltage I/O eases integration with mixed-legacy test benches. Plan timing against the -1 speed grade models in Libero and reserve quadrant clocks for high-fanout control signals, since antifuse routing is less flexible than SRAM fabrics when pins are locked early.
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Military Ground Systems and Rugged Industrial Control
Ground-based military equipment benefits from the A54SX72A-1CQ208B's -55C to +125C B-grade rating and hermetic package, which tolerate thermal cycling, humidity, and contaminated environments that defeat plastic-packaged FPGAs. The instant-on antifuse configuration eliminates boot sequence dependencies in weapon-system power-up logic, and the 108K-gate capacity integrates controller interfaces, interlock logic, and test controllers on one chip. Its 171 I/O connect directly to 5V TTL backplanes common in legacy military platforms. System integrators use the quadrant clock (QCLK) resources for synchronized sampling across data-acquisition cards. Compared with a plastic A54SX72A-1FG484I, the CQFP-208 trades I/O count and cost for environmental robustness and screening traceability, the correct choice when reliability documentation outweighs density.
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Test and Measurement Instrument Backplane Logic
In test and measurement systems, the A54SX72A-1CQ208B implements backplane arbitration, trigger distribution, and instrument bus bridges. Family toggle rates up to 217 MHz and low-capacitance antifuse interconnect support deterministic timing across trigger trees, while CLKA/CLKB global and quadrant QCLK networks keep clock skew low between measurement channels. The multi-voltage I/O range (2.25V to 5.25V) lets one FPGA interface both modern 3.3V modules and 5V TTL instrumentation. One-time programming ensures the instrument's logic configuration is fixed and identical across a production run, simplifying calibration documentation. Because the device configures at power-up with zero load delay, instruments are ready the instant mains is applied - an advantage over SRAM FPGAs that spend tens of milliseconds loading bitstreams from external flash.
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Telecommunications Line-Card Control
Telecom line cards and legacy transmission equipment use the A54SX72A-1CQ208B for framing logic, alarm aggregation, and backplane handshaking. The 2.25V to 5.25V I/O range matches both 5V TTL backplanes and 3.3V/2.5V line-card silicon, letting one 108K-gate device consolidate interface logic that previously spanned multiple PLDs. The -1 speed grade provides timing headroom for backplane clock domains at family rates up to 217 MHz, and quadrant clocks isolate per-card timing regions to reduce routing congestion. Instant-on antifuse configuration removes link-recovery delay caused by FPGA configuration load, improving carrier-grade availability targets. Where hermeticity is unnecessary, the plastic A54SX72A-1PQ208I or 2PQG208I packages lower cost while keeping the same SX72A die and Libero design flow, easing migration between product tiers.
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추천 제품 요약
엔지니어링 참조 데이터: A54SX72A-1CQ208B — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | A54SX72A-CQ208B | A54SX72A-1CQ208M | A54SX72A-CQ208M | A54SX72A-2CQ208 |
|---|---|---|---|---|---|
| Package | 208-CQFP ceramic, 75x75 mm, tie bar (B grade) | 208-CQFP ceramic - same | 208-CQFP ceramic - same | 208-CQFP ceramic - same | 208-CQFP ceramic - same |
| Brand | Microchip Technology (Actel/Microsemi legacy) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 108000 | 108000 | 108000 | 108000 | 108000 |
| User I/O | 171 | 171 | 171 | 171 | 171 |
| Speed Grade | -1 (fastest SX72A bin) | Standard | -1 (same) | Standard | -2 (slower) |
| Screening / Temperature | B grade, -55C to +125C | B grade, -55C to +125C | M grade, -55C to +125C | M grade, -55C to +125C | Standard screening |
| I/O 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 |
| Drop-in Replacement (no PCB change) | Reference device | Yes - per FindIC cross-reference | Yes - identical pinout/screening superset | Yes - identical pinout | Yes - verify timing margin |
주요 차별점
- Fastest speed bin of the 72K-gate SX-A die in hermetic CQFP (vs A54SX72A-CQ208B)
- Configuration-readback security with instant-on startup (vs SRAM FPGAs (e.g. Xilinx/Intel))
- Upgradeable to deeper military screening without redesign (vs A54SX72A-1CQ208M)
- 5V-tolerant multi-voltage I/O (vs A54SX72A-1FG484I)
설계 노트
Antifuse devices are one-time programmable: a logic bug after programming means scrapping the device and the assembly cost of the ceramic CQFP. Complete gate-level simulation and static timing closure in Libero with the -1 speed grade models before committing production units. Prototype on the standard speed grade (A54SX72A-CQ208B) where possible and reserve -1 parts for timing-critical builds; this is a common cost-reduction pattern on military programs.
Use the CLKA, CLKB, and quadrant clock (QCLK) resources for high-fanout clock and control signals rather than general routing, as recommended in Microchip's 'Using A54SX72A and RT54SX72S Quadrant Clocks' application note. Lock I/O assignments early but leave routing slack: antifuse segmentation is less flexible than SRAM fabrics, and over-constraining pins can cause unroutable fits. Place 0.1uF ceramic decoupling capacitors at the CQFP power pins, one per supply pair.
Estimated: at 0.22um CMOS antifuse technology, static power is dominated by I/O pull-ups on the 2.25V-5.25V banks; unused outputs should be configured as inputs with defined levels to minimize dissipation. Compute worst-case ICC from the SX-A datasheet ICC tables at -55C and +125C corners for your design's toggle activity before setting the power budget - do not rely on typical activity assumptions for qualification reports.
규정 준수 정보
Military ceramic CQFP package; lead finish and RoHS/REACH status not stated in provided data. Verify with Microchip product compliance documentation - hermetic mil-grade packages often have exemptions.
