A54SX72A-1CQ256 - SX-A 108K-Gate Antifuse FPGA | Microchip
부품 번호: A54SX72A-1CQ256 ✓ 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-1CQ256 개요
An FPGA (Field-Programmable Gate Array) is a semiconductor device containing a matrix of configurable logic blocks and programmable interconnects that the designer wires together after manufacturing. Within the programmable logic hierarchy, the SX-A belongs to the antifuse FPGA subcategory: one-time programmable devices whose interconnect is permanently set at programming time, as opposed to SRAM-based FPGAs that are reconfigurable and require an external configuration memory. Antifuse FPGAs are favored where nonvolatility, security against bitstream extraction, instant-on behavior, and low static power are more important than in-field reprogrammability.
Key features of the A54SX72A-1CQ256 include 72,000 gates (equivalent to 4,024 logic cells) and up to 108,000 usable system gates, a maximum toggle frequency of 250 MHz, and 203 user I/Os in the ceramic CQFP package. The ceramic package with tie bar provides superior moisture immunity and thermal performance compared to plastic packages, supporting demanding environments and simplified rework. Speed grade 1 denotes the standard speed bin of the SX-A family, and the device operates over a commercial 0 C to +70 C temperature range.
Architecturally, the SX-A family uses a sea-of-modules structure with dedicated FIFO-like logic modules and dedicated high-speed carry logic, supported by three types of clock resources: two hard-wired global clocks (CLKA, CLKB) and quadrant clocks (QCLK) for localized, low-skew clocking, as described in Microchip's SX-A family datasheet. The 0.25 um antifuse interconnect delivers deterministic, low-jitter routing well suited to high-performance state machines, bus interfaces, and glueless integration of multiple logic functions into a single low-cost chip.
Typical applications include industrial control and automation logic consolidation, military and aerospace subsystems that leverage ceramic packaging and antifuse security, telecommunications line-card control, and legacy system life-extension where a pin-identical ceramic-package FPGA is already qualified on the board.
When designing with this device, note the single 2.5 V core supply requirement and verify power sequencing against the SX-A datasheet; also plan programming logistics, since antifuse devices are one-time programmable and require a programmer-compatible design flow (Libero SoC) before board assembly.
This page synthesizes verified distributor data, drop-in same-package alternatives, and practical design guidance not found in the manufacturer datasheet, giving engineers a single citation-ready reference. Pricing as of 2026-09-03.
드롭인 대체품: A54SX72A-1CQ256 — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: A54SX72A-1CQ256 (동일 폼 팩터 및 풋프린트) — 차이점: Process Technology, System Gates, Maximum Toggle Frequency, Package, Family.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
A54SX72A-CQ256B
✅ 드롭인✓ 재고 있음
$228 / 개
데이터시트 보기 →A54SX72A-CQ256M
✅ 드롭인✓ 재고 있음
$2429.15 / 개
데이터시트 보기 →A54SX72A-CQ256
✅ 드롭인✓ 재고 있음
$196 / 개
데이터시트 보기 →A54SX32A-CQ256
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
A54SX32A-CQ256B
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
A54SX32A-CQ256M
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
A54SX72A-1CQ256 최대 정격 & 전기적 특성
| Manufacturer Series | SX-A |
| System Gates | 108,000 |
| Logic Gates | 72,000 |
| Logic Cells (Modules) | 4,024 |
| Number of I/O | 203 |
| Maximum Toggle Frequency | 250 MHz |
| Process Technology | 0.25 um |
| Programming Technology | Antifuse (one-time programmable) |
| 동작 공급 전압 | 2.5 V |
| Speed Grade | -1 |
| 패키지 / 케이스 | CQFP-256 (256-BFCQFP with tie bar) |
| 장착 스타일 | SMD/SMT |
| Minimum Operating Temperature | 0 C |
| Maximum Operating Temperature | +70 C |
| Clock Resources | CLKA, CLKB global clocks plus quadrant clocks (QCLK) |
| Product Type | FPGA - Field Programmable Gate Array |
A54SX72A-1CQ256 cqfp-256 (256-bfcqfp with tie bar) 핀 구성 가이드
A54SX72A-1CQ256(cqfp-256 (256-bfcqfp with tie bar) 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-1CQ256.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
A54SX72A-1CQ256 적합 용도: 6 애플리케이션s: Industrial Control and Automation, Military and Aerospace Subsystems, Telecommunications Line-Card Logic, Legacy System Life Extension, Secure Logic and Anti-Cloning Designs, Test and Measurement Instrumentation.
Industrial Control and Automation
The A54SX72A-1CQ256 fits industrial control by consolidating address decoding, bus bridging, and sequencing state machines that would otherwise consume multiple TTL/ASIC devices; Microchip positions SX-A parts explicitly as single-chip system-savings solutions. Its 108K system gates and 4,024 logic cells absorb mid-size control logic, while 203 user I/Os drive backplane signals, sensors, and actuators from a single 2.5 V rail at up to 250 MHz toggle rates. The instant-on antifuse configuration means the controller is active within nanoseconds of power application - no configuration-load delay - which simplifies safety interlock and watchdog design. The ceramic CQFP package also tolerates harsher cabinet environments than plastic housings.
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Military and Aerospace Subsystems
Defense and aerospace boards choose the A54SX72A-1CQ256 for its ceramic CQFP (BFCQFP with tie bar) package, antifuse configuration security, and proven mature silicon. Antifuse interconnect cannot be read back or reprogrammed, eliminating bitstream-extraction attacks relevant to SRAM FPGAs, and the hermetic ceramic package resists moisture, outgassing, and rework stress in high-reliability builds. The military-variant A54SX72A-1CQ256M with the same footprint supports temperature-screened programs, enabling a common PCB across commercial prototypes and qualified production. With 108K system gates and deterministic low-skew CLKA/CLKB/QCLK clock networks, it handles telemetry formatting, interface adaptation, and redundancy-management logic in flight hardware.
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Telecommunications Line-Card Logic
Telecom line cards historically used SX-A FPGAs to glue SONET/SDH framers, T1/E1 fricers, and backplane interfaces together; the A54SX72A-1CQ256 continues that role in legacy and extended-life networks. Its 250 MHz toggle capability covers 155 Mbps-class processing, while 203 I/Os handle H.110/H.100 CT-bus, JTAG, and maintenance channels. The quadrant clock (QCLK) resources allow per-card-region clock domains with low skew, and the 2.5 V core keeps dynamic power manageable in high-density shelves. Antifuse one-time programming suits carrier equipment where configurations are fixed at manufacturing and configuration-bit flip immunity from atmospheric radiation is operationally valuable over 20-year service lives.
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Legacy System Life Extension
Many fielded avionics, test, and industrial platforms were designed around SX-A CQ256 devices; the A54SX72A-1CQ256 enables direct board-level repair and last-time-buy bridging without PCB respin. Because all CQ256 SX-A variants share the 256-pin ceramic footprint, maintenance depots can substitute speed-grade or screening variants (CQ256, CQ256B, CQ256M) to keep fleets running when exact date-code-matched stock disappears. Design teams should hold the Libero SoC source project and a programmer flow ready, since antifuse devices cannot be reflashed in service - each replacement part is programmed fresh with the verified design bitstream before installation, restoring identical form, fit, and function.
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Secure Logic and Anti-Cloning Designs
Product-security engineers deploy the A54SX72A-1CQ256 to protect proprietary logic because antifuse configuration physically becomes part of the silicon: there is no configuration bitstream in external memory to intercept and no readback path to exploit, unlike SRAM FPGAs that load plaintext bitstreams at every power-up. Combined with the ceramic CQFP package that complicates casual decapping compared to small plastic packages, the device raises reverse-engineering costs substantially. With 108K gates available, designers can embed authentication state machines, custom cipher blocks, and board-identity logic alongside the functional design, so cloned boards without a legitimately programmed device simply never become operational.
추천
Test and Measurement Instrumentation
Bench and automated test equipment uses the A54SX72A-1CQ256 as timing-generator, trigger-logic, and bus-interface fabric where deterministic behavior matters more than density. Antifuse routing gives fixed, repeatable propagation paths, so instrument timing calibrations remain valid across the production life of a unit - a subtle but real advantage over SRAM FPGAs whose routing can change between bitstream builds. The 250 MHz toggle ceiling and low-skew global/quadrant clocking support sub-10 ns event resolution, while 203 I/O pins connect to relay matrices, digitizer front ends, and GPIB/LAN companion chips. Instant-on start also shortens instrument boot time relative to configuration-loading alternatives.
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추천 제품 요약
엔지니어링 참조 데이터: A54SX72A-1CQ256 — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | A54SX72A-CQ256B | A54SX72A-CQ256M | A54SX32A-CQ256 |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | CQFP-256 (BFCQFP with tie bar) | CQFP-256 - same | CQFP-256 - same | CQFP-256 - same |
| System Gates | 108,000 | 108,000 | 108,000 | 36,000 |
| Logic Cells | 4,024 | 4,024 | 4,024 | 1,344 |
| Supply Voltage | 2.5 V | 2.5 V | 2.5 V | 2.5 V |
| Max Toggle Frequency | 250 MHz | 250 MHz | 250 MHz | 250 MHz |
| Programming Technology | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) |
주요 차별점
- Full 72K-gate die in ceramic CQFP package (vs A54SX32A-CQ256)
- Commercial temperature rating at lower cost (vs A54SX72A-1CQ256M)
- Antifuse configuration security and instant-on (vs SRAM-based FPGAs (functional alternative only))
설계 노트
The A54SX72A-1CQ256 operates from a single 2.5 V supply. Provide local decoupling of at least 0.1 uF ceramic per power pin pair plus bulk capacitance near the CQFP-256 package; because the ceramic package exposes many power/ground pins around all four sides, distribute decoupling capacitors around the perimeter rather than clustering on one side. Verify core current against your design's utilization in Libero SoC power analysis before fixing the regulator, since dynamic current scales with toggle activity up to the 250 MHz ceiling.
Antifuse devices are one-time programmable: never send an unverified or timing-unclosed design to the programmer. Complete static timing analysis in Libero SoC, lock the revision, and program only released bitstreams. Because a programming failure scraps the device, budget attrition (industry practice is 5-10%) into purchase quantities. Also match speed grade (-1) and screening level when substituting same-package variants so existing timing sign-off remains valid.
The 256-BFCQFP with tie bar requires a footprint that accommodates the tie bar feature on one package edge - do not copy a generic CQFP-256 land pattern without checking the mechanical drawing in the SX-A datasheet. The tie bar must not short to signal land patterns; follow the package's recommended courtyard. Ceramic CQFP leads are mechanically stiffer than plastic PQFP leads, so avoid board-warp stress by using symmetric copper balance on outer layers.
Use the dedicated CLKA and CLKB global clocks for system-wide timing and reserve quadrant clocks (QCLK) for localized low-skew domains, per Microchip's application notes on A54SX72A quadrant clock usage. Avoid deriving high-fanout clocks from general-purpose routing. With 0.25 um antifuse interconnect, keep edge rates managed on 203 I/O lines driving backplane or cable loads; series termination near the package is typically sufficient for moderate-speed buses.
규정 준수 정보
Ceramic hermetic CQFP package. RoHS/REACH status not stated in verified web data; many mature ceramic-package parts are exempt categories - verify on the Microchip product page before export or EU-market claims.
