A54SX32A-PQG208M - 32K-Gate Antifuse FPGA, 208-PQFP | Microchip
部品番号: A54SX32A-PQG208M ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
A54SX32A-PQG208M 概要
An antifuse FPGA is a one-time-programmable (OTP) programmable logic device in which programming forms permanent low-resistance interconnects. Unlike SRAM FPGAs, an antifuse device retains its configuration through power cycles without an external configuration flash, offers inherent resistance to radiation-induced configuration upsets, and presents no bitstream to steal in the field - a hierarchy of benefits that places the SX-A among the most trusted families for high-reliability, security-sensitive systems.
Key features include the sea-of-modules architecture built from combinatorial C-cells and register R-cells, 0.25 um CMOS antifuse technology, a 2.5 V core supply, and combinational logic speeds that support system clocks well above 100 MHz. The 174 available I/Os support both 5 V-compatible and 3.3 V signaling options, easing integration into mixed-voltage legacy boards.
Architecturally, the die floor is covered with a dense grid of logic modules with virtually no area lost to routing channels; a rich hierarchical routing fabric connects module, cluster, and array levels. Timing is deterministic because routing is fixed after place-and-route, simplifying worst-case design sign-off for mil/aero programs.
Typical applications include avionics and space control logic, military communications, industrial glue logic integration, and obsolescence-driven redesigns consolidating multiple ASICs or PAL/GAL devices into a single chip.
Design consideration: because the device is OTP, verify the full netlist in simulation and, where possible, in the companion -A or commercial speed-grade silicon before committing military-grade units to programming.
This page adds distributor cross-reference data, drop-in alternatives, pricing context, and engineering notes beyond the manufacturer datasheet.
ドロップイン代替品: A54SX32A-PQG208M — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: A54SX32A-PQG208M （同一形状・フットプリント） — 相違点: Package, System Gates, Operating Temperature, Process Technology, Family.
クイック比較ツール — 並列比較する代替部品を選択:
A54SX32A-PQG208A
✅ ドロップイン✓ 在庫あり
$47.8 / 個
データシートを見る →A54SX32A-1PQG208M
✅ ドロップイン✓ 在庫あり
価格はお問い合わせください
データシートを見る →A54SX32A-PQG208I
✅ ドロップイン📋 参考代替品（カタログ未掲載）
A54SX32A-2PQG208
✅ ドロップイン📋 参考代替品（カタログ未掲載）
A54SX32A-1PQG208I
✅ ドロップイン✓ 在庫あり
$44.75 / 個
データシートを見る →A54SX32A-2PQG208I
✅ ドロップイン✓ 在庫あり
$47.95 / 個
データシートを見る →A54SX72A-1PQG208
✅ ドロップイン✓ 在庫あり
$47.8 / 個
データシートを見る →A54SX32A-PQG208M 最大定格＆電気的特性
| Family | SX-A (Actel/Microsemi antifuse FPGA) |
| Equivalent System Gates | 32000 gates |
| Logic Modules (Cells) | 1800 |
| User I/O | 174 |
| Maximum Toggle Frequency | 238 MHz |
| Process Technology | 0.25 um CMOS antifuse |
| Core Supply Voltage | 2.5 V (2.25 V to 2.75 V) |
| Programming Technology | Antifuse, one-time programmable (OTP) |
| パッケージ | 208-PQFP (28x28 mm, 0.5 mm pitch) |
| 実装タイプ | Surface Mount |
| 動作温度 | -55C to +125C (military / TC) |
| Architecture | Sea-of-modules (C-cells and R-cells) |
| Configuration Retention | Non-volatile (antifuse, no boot configuration) |
| Radiation Tolerance | Configuration inherently immune to SEU (no SRAM configuration memory) |
| Packaging | Tray |
A54SX32A-PQG208M 208-pqfp (28x28 mm, 0.5 mm pitch) ピン配置ガイド
A54SX32A-PQG208M (208-pqfp (28x28 mm, 0.5 mm pitch) パッケージ) のピン配置。 このデジタルICには、GPIO、通信インターフェース (UART、SPI、I2C)、および電源ピンが含まれています。代替ピン機能と設定オプションについては、メーカーのデータシートを参照してください。組み込みシステム設計とPCBレイアウトに不可欠です。
詳細なピン配置データはありません: A54SX32A-PQG208M.
詳細は データシート をご参照ください。
主な用途
A54SX32A-PQG208M の用途: 6 件s: Avionics Control Logic, Military Communications Equipment, Space and High-Reliability Payloads, Industrial Automation and Control, Obsolescence Mitigation and Board Redesign, Secure Embedded Systems.
Avionics Control Logic
In avionics flight-control, ARINC-interface, and mission-computer designs, the A54SX32A-PQG208M fits because its antifuse configuration contains no SRAM configuration memory, eliminating configuration-upset concerns at altitude and providing instant-on operation required by power-interrupt-tolerant avionics architectures. The -55C to +125C M-grade matches unconditioned bay and wing ambient requirements. It is typically used as deterministic glue logic between processors and ARINC 429/1553 transceivers, with 174 user I/Os absorbing bus-interface fan-out. Design it with fixed routing budgets - timing is fixed after place-and-route, which simplifies DO-254-style worst-case timing sign-off.
おすすめ
Military Communications Equipment
Software-defined and legacy military radios use the A54SX32A-PQG208M for framing, formatting, and interface bridging logic where tamper resistance matters: because the antifuse netlist is written into silicon and no bitstream exists in external memory, configuration extraction is significantly harder than on SRAM FPGAs. The 238 MHz-class toggle rate covers common modulation and backplane interface clocks, while 2.5 V core operation keeps power low for man-portable platforms. Designers should budget the one-time-programmable limitation by locking the netlist after simulation, and use the companion industrial grades during early development.
おすすめ
Space and High-Reliability Payloads
The SX-A antifuse architecture is a long-standing choice for satellite housekeeping and payload interface logic: configuration is immune to single-event upsets by construction, total-dose behavior of the 0.25 um antifuse process is well characterized over decades of flight heritage, and the PQFP package avoids solder-ball fatigue concerns of fine-pitch BGAs. The A54SX32A-PQG208M provides 32K gates and 174 I/Os sufficient for telemetry formatting, watchdog, and latchup-protection supervisory logic. For radiation-critical paths, pair with the rad-tolerant RT54SX family variants and confirm the required screening flow with Microchip before design freeze.
おすすめ
Industrial Automation and Control
On factory-floor PLC backplanes and motor-control interface boards, the A54SX32A family consolidates PAL/GAL/22V10 glue logic, address decoding, and state machines into one chip, cutting BOM count and board area. Although the PQG208M is the military grade, industrial programs commonly standardize on it for derating margin: operating a -55C to +125C device at 0C to +70C ambient gives large guard bands on electromigration and timing drift. Its 5 V-tolerant I/O options interface directly with legacy TTL sensors and drives. Use the industrial PQG208I variants when cost, not margin, is the driver.
おすすめ
Obsolescence Mitigation and Board Redesign
Defense and industrial programs facing end-of-life on Actel SX, FPGAs-in-disguise PLDs, or mask-programmed ASICs use the A54SX32A-PQG208M as a consolidation vehicle: its 32K gates and 1,800 modules absorb multiple legacy PLDs, and the 208-pin PQFP is hand-solderable for low-volume maintenance builds. Because the die is one-time programmable, redesigns should re-verify all timing in the current Libero/Designer toolchain before committing. Long-term availability is supported by Microchip's continued defense product line, making it a safer re-baseline target than broker-sourced discontinued silicon.
おすすめ
Secure Embedded Systems
Security-focused systems - cryptographic key handling, secure boot roots, and anti-tamper platforms - benefit from the A54SX32A-PQG208M because it stores no external configuration bitstream and offers no JTAG-retrievable SRAM configuration image at power-up. Logic is fixed in antifuse silicon, supporting platforms where reverse engineering of the implemented function must be difficult. At 32K gates it implements moderate cryptographic interface wrappers and bus filters. Note the trade-off: OTP means no field patching; any vulnerability fix requires replacing programmed devices, so simulate and security-review the netlist exhaustively before programming military units.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: A54SX32A-PQG208M — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | A54SX32A-PQG208A | A54SX32A-1PQG208M | A54SX32A-2PQG208 | A54SX72A-1PQG208 |
|---|---|---|---|---|---|
| Package | 208-PQFP (28x28 mm) | 208-PQFP - same | 208-PQFP - same | 208-PQFP - same | 208-PQFP - same outline, 72K die |
| Brand | Microchip Technology (Microsemi) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 32000 | 32000 | 32000 | 32000 | 72000 |
| Logic Modules | 1800 | 1800 | 1800 | 1800 | 4032 |
| User I/O | 174 | 174 | 174 | 174 | 174 |
| Operating Temperature | -55C to +125C (M) | Extended/automotive grade (A) | -55C to +125C (M) | Commercial/industrial grade | Commercial/industrial grade |
| Programming Technology | Antifuse OTP | Antifuse OTP | Antifuse OTP | Antifuse OTP | Antifuse OTP |
| Core Supply Voltage | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V |
主な差別化要因
- Military temperature qualification （vs A54SX32A-2PQG208)
- Configuration security （vs SRAM FPGAs (e.g., Xilinx/Intel equivalents))
- Cost-optimized speed grade choice （vs A54SX32A-1PQG208M)
- Capacity headroom on same footprint （vs A54SX72A-1PQG208)
設計ノート
Supply the A54SX32A-PQG208M core from a clean 2.5 V rail within the 2.25 V to 2.75 V window per the SX-A datasheet. Decouple every VDD/VSS pin pair with 0.1 uF ceramic capacitors placed within 2 mm of the package, plus at least one 10 uF bulk capacitor per supply domain. Antifuse FPGAs have low, data-dependent core current with no configuration surge at power-up, but I/O switching current on 174 outputs can inject significant ground bounce - use a solid, unbroken ground plane under the 208-PQFP and assign high-fan-out returns to adjacent ground pins.
The most costly mistake with this device is forgetting it is one-time programmable. Lock your netlist only after full functional simulation, static timing analysis at the worst military corner, and - ideally - validation on a commercial or industrial speed-grade sample in the same PQG208 package. Also confirm your programming hardware and Actel/Microsemi programming-file format are available before procurement; military-grade units cannot be used as test vehicles without risk. Finally, verify the exact ordering-code suffix semantics (M, A, I, speed digits) against the Microchip datasheet - broker listings frequently conflate PQ208 and PQG208 codes.
The 208-PQFP (28x28 mm, 0.5 mm pitch) footprint needs fan-out with 0.2 mm or finer traces to escape the two outer rows; plan for at least four layers so power, ground, and signal returns have dedicated planes. PQFP leads are susceptible to solder bridging - specify a rectangular pad with solder-mask-defined openings and inspect with AOI. For thermal relief, the exposed lead-frame of the PQFP conducts most heat to the leads, so generous copper on signal layers connected to ground pins improves dissipation at -55C to +125C extremes.
With 174 I/Os and up to 238 MHz-class internal toggle rates, control edge rates using the SX-A I/O slew options and series-terminate long traces (22-33 ohm) to suppress ringing on backplane lines. Group related outputs on the same I/O bank so voltage-reference and ground assignments remain consistent. Because the device is OTP, reserve a small set of spare I/Os routed to test points for post-production debug - you cannot reprogram pin assignments after the fact.
コンプライアンス情報
M-suffix military-grade device; RoHS/lead-finish status was not stated in the retrieved distributor data. Military program line items are frequently supplied with leaded finishes for legacy soldering compatibility - verify with Microchip product change notifications.
