A54SX16-CQ208B - 16K Gate SX FPGA 205MHz CQFP-208 | Microsemi
부품 번호: A54SX16-CQ208B ✗ 단종| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $128.5 | $128.50 |
| 10 | $115.65 | $1,156.50 |
| 100 | $102.8 | $10,280.00 |
| 500 | $92.52 | $46,260.00 |
| 1,000 | $83.27 | $83,270.00 |
A54SX16-CQ208B 개요
An FPGA (Field-Programmable Gate Array) is a semiconductor device containing a matrix of configurable logic blocks and programmable interconnects that the designer configures after manufacturing. Unlike SRAM-based FPGAs that load their configuration from an external memory at each power-up, the SX family uses Actel's proprietary antifuse technology, which is programmed once and retains configuration permanently. This places the SX family in the hierarchy: FPGA -> programmable logic device -> programmable SoC/silicon -> semiconductor, and makes it inherently resistant to configuration readback attacks.
Key features include the sea-of-modules architecture delivering ASIC-like gate utilization, one-time programmable antifuse interconnect with no configuration boot time, system speed up to 205 MHz, and 5V-tolerant I/O operation suited to legacy industrial bus voltages. The ceramic CQFP package with tie bar provides excellent thermal dissipation and mechanical robustness, supporting higher-temperature and high-reliability environments typical of ceramic-packaged devices.
Technically, the SX architecture organizes logic into repeating C-cells (combinational) and R-cells (sequential/register), clustered into fast, low-skew routing segments that enable deterministic, near-ASIC timing. The antifuse fabric adds negligible interconnect capacitance compared to SRAM switch technology, which is why SX devices reach high toggle frequencies despite the 0.35 um process node.
Typical applications include glue-logic integration and bus bridging in industrial control systems, Mil/Aero legacy board designs, telecommunication line cards, and obsolescence-mitigation designs where a 5V-tolerant, single-chip, instantly-on FPGA is required.
Design consideration: because the device is one-time programmable, verify your design thoroughly in simulation and, where possible, prototype on a larger SX device before committing. Power decoupling on both VCC and VCCA rails with 0.1 uF ceramics per pin cluster is essential.
This page synthesizes distributor pricing and stock data, same-package alternatives, and practical design guidance not found in the manufacturer datasheet. Pricing shown as of 2026-09-03.
드롭인 대체품: A54SX16-CQ208B — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: A54SX16-CQ208B (동일 폼 팩터 및 풋프린트) — 차이점: Family, System Gates, Package, Logic Modules, Logic Cells.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
A54SX16-CQ208
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
A54SX32-CQ208B
✅ 드롭인✓ 재고 있음
가격 문의
데이터시트 보기 →A54SX32-1CQ208B
✅ 드롭인✓ 재고 있음
$138.75 / 개
데이터시트 보기 →A54SX32-CQ208
✅ 드롭인✓ 재고 있음
$1545.45 / 개
데이터시트 보기 →A54SX32-1CQ208
✅ 드롭인✓ 재고 있음
가격 문의
데이터시트 보기 →A54SX16-CQ208B 최대 정격 & 전기적 특성
| Family | SX (Actel antifuse FPGA) |
| System Gates | 16000 |
| Logic Cells | 924 |
| Maximum Toggle Frequency | 205 MHz |
| User I/O | 175 |
| Process Technology | 0.35 um CMOS |
| Supply Voltage (Core) | 3 V to 3.6 V |
| Supply Voltage (I/O) | 4.75 V to 5.25 V |
| I/O Voltage Tolerance | 3.3 V / 5 V |
| Programming Technology | Antifuse (one-time programmable) |
| 패키지 | 208-BFCQFP with Tie Bar (75 x 75 mm) |
| 실장 유형 | Surface Mount |
| Packaging | Bulk |
| Speed Grade | Standard (no dash speed suffix) |
| Series | SX |
A54SX16-CQ208B 208-bfcqfp with tie bar (75 x 75 mm) 핀 구성 가이드
A54SX16-CQ208B(208-bfcqfp with tie bar (75 x 75 mm) 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: A54SX16-CQ208B.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
A54SX16-CQ208B 적합 용도: 6 애플리케이션s: Legacy Industrial Control Logic Integration, Military and Aerospace Legacy Board Maintenance, Telecommunications Line Card Bus Bridging, Test and Measurement Fixture Logic, Obsolescence Mitigation and Last-Time-Buy Redesign, Medical Equipment Controller Spares.
Legacy Industrial Control Logic Integration
The A54SX16-CQ208B consolidates discrete 74-series glue logic, address decoders, and state machines in industrial controllers that run on 5V buses. Its 5V-tolerant I/O ring (4.75V-5.25V rail) connects directly to legacy PLC backplanes without level shifters, while the 3.3V core fabric delivers up to 205 MHz internal toggle rates - far beyond what the original TTL logic achieved. Because the antifuse fabric configures instantly at power-up, the controller needs no configuration flash and no boot sequence, improving fault-detection timing in safety-relevant interlocks. One 208-pin CQFP replaces dozens of SSI/MSI packages, cutting board area and improving mean time between failures in retrofits of 1990s-era control systems.
추천
Military and Aerospace Legacy Board Maintenance
Ceramic CQFP packaging with tie bar was chosen for military and aerospace programs because of its hermeticity, thermal robustness, and screening options (the B suffix). The A54SX16-CQ208B supports spares and repair of fielded avionics and defense line-replaceable units whose design environments assume 5V signals and ceramic-packaged programmable logic. The antifuse fabric's immunity to configuration upset and readback makes it attractive in programs with security constraints, and its one-time programming eliminates single-event configuration-loss modes present in SRAM FPGAs. When exact 16K-gate die stock runs out, the same-footprint A54SX32-CQ208B with 32K gates provides a verified migration path without PCB redesign.
추천
Telecommunications Line Card Bus Bridging
Legacy telecom line cards frequently mix 5V backplane signaling with 3.3V on-card processing, a combination the A54SX16-CQ208B natively supports with its dual 3.3V/5V supply architecture. The 175 user I/Os handle wide parallel T1/E1 framers, HDLC controllers, and backplane arbiters, while the 924 logic cells implement the glue and handshaking between them. Deterministic antifuse routing timing simplifies meeting fixed setup/hold windows against backplane clocks without timing-constraint iteration. Because the SX architecture toggles at up to 205 MHz, timing closure on the card's fastest interfaces is comfortable despite the 0.35 um process, and the ceramic package tolerates the elevated ambient temperatures of central-office racks.
추천
Test and Measurement Fixture Logic
Production test fixtures benefit from the A54SX16-CQ208B's instant-on antifuse configuration: the fixture is active the moment power is applied, with no configuration load time adding to test-cycle overhead. The 5V-tolerant I/O interfaces directly with the target board's legacy test points, and the 205 MHz fabric can implement high-speed pattern generators and comparators in a single chip. In bed-of-nails and functional testers, the CQFP's ceramic package and tie bar maintain stable electrical characteristics over millions of insertion cycles and wide laboratory temperature swings. Designs prototyped and frozen in antifuse silicon also cannot be accidentally altered between test runs, protecting fixture integrity and repeatability across production shifts.
추천
Obsolescence Mitigation and Last-Time-Buy Redesign
When an original ASIC or PLD goes end-of-life, the A54SX16-CQ208B frequently serves as the replacement fabric: its 16K gates absorb decoded counters, bus interfaces, and sequencers formerly cast in custom silicon, and its ceramic CQFP can often be adapted onto legacy footprints with minimal rework. The 5V I/O eliminates the level-shifting that modern 1.8V/2.5V FPGAs would require, keeping the redesign confined to the component itself. Antifuse one-time programming means the replacement behaves exactly like a fixed ASIC at power-up - no firmware load, no boot device, and no configuration readback risk - which eases requalification paperwork for regulated industries such as medical and transportation equipment.
추천
Medical Equipment Controller Spares
Older medical imaging and monitoring systems used 5V programmable logic; service organizations maintaining them rely on the A54SX16-CQ208B to keep controllers, interface boards, and safety interlock logic serviceable. The instant-on antifuse configuration guarantees that patient-facing equipment resumes operation within microseconds of power application, with no risk of a corrupted configuration image from a failing boot flash. The ceramic CQFP withstands repeated autoclave-adjacent ambient cycling better than plastic packages, and the B-suffix screening supports the quality documentation demanded in medical device change control. Its 205 MHz logic speed covers reconstruction pipelines in ultrasound front-end boards of that generation.
추천
추천 제품 요약
엔지니어링 참조 데이터: A54SX16-CQ208B — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | A54SX16-CQ208 | A54SX32-CQ208B | A54SX32-1CQ208B | A54SX32-1CQ208 |
|---|---|---|---|---|---|
| Package | 208-BFCQFP with Tie Bar | 208-BFCQFP with Tie Bar - same | 208-BFCQFP with Tie Bar - same | 208-BFCQFP with Tie Bar - same | 208-BFCQFP with Tie Bar - same |
| Brand | Microsemi (Actel) | Microsemi | Microsemi | Microsemi | Microsemi |
| System Gates | 16000 | 16000 | 32000 | 32000 | 32000 |
| Speed Grade | Standard | Standard | Standard | -1 (faster) | -1 (faster) |
| Screening / Suffix | B (burn-in / Hi-Rel option) | Standard (no B) | B | B | Standard (no B) |
| Supply Voltage | 3.0-3.6 V core, 4.75-5.25 V I/O | 3.0-3.6 V core, 4.75-5.25 V I/O | 3.0-3.6 V core, 4.75-5.25 V I/O | 3.0-3.6 V core, 4.75-5.25 V I/O | 3.0-3.6 V core, 4.75-5.25 V I/O |
주요 차별점
- 16K-gate density in hermetic ceramic CQFP (vs A54SX16-TQG176)
- Burn-in screened variant available (vs A54SX16-CQ208)
- Capacity-upgrade path on the same footprint (vs A54SX32-CQ208B)
설계 노트
The A54SX16-CQ208B requires two independent supplies: 3.3V (3.0V-3.6V) for the antifuse logic fabric and 5.0V (4.75V-5.25V) for the I/O ring. Sequence the 3.3V core before or simultaneously with the 5V I/O rail to avoid latch-up paths through the I/O drivers, and decouple each supply pin with 0.1 uF ceramic capacitors placed within 5 mm of the pin. Because antifuse FPGAs draw essentially zero static configuration current, total supply design can be sized on dynamic I/O switching current alone.
This device is one-time programmable: a design error is unrecoverable in the physical part. Always complete full timing simulation with back-annotated antifuse delays and prototype the design on an A54SX32 (larger same-family die) before committing to programming the 16K part. Also confirm speed-grade suffixes when purchasing - the B suffix indicates screening, and the -1 dash on some A54SX32 variants indicates a faster grade; mixing these in one BOM can produce units with different timing.
The 208-CQFP (75 x 75 mm body) is a gull-wing ceramic package, so use standard QFP land patterns with adequate solder fillet area and inspect joints on all four sides with X-ray or AOI. Provide a solid ground plane under the package to control return paths for the 205 MHz internal switching, and route the 5V I/O ring away from sensitive analog traces since 5V swings generate larger di/dt than modern low-voltage FPGAs. Keep unused I/Os programmed as inputs with pull-ups to prevent floating-node oscillation.
규정 준수 정보
Ceramic CQFP hermetic package; compliance status not stated in the provided data. As an obsolete part, RoHS exemption status for lead-containing ceramic packages should be confirmed with the distributor.
