A54SX08-PQG208I - 8K Gate FPGA 130 I/O 208-PQFP | Microsemi
部品番号: A54SX08-PQG208I ✗ 生産終了| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $42.5 | $42.50 |
| 10 | $38.25 | $382.50 |
| 100 | $34 | $3,400.00 |
| 500 | $29.75 | $14,875.00 |
| 1,000 | $25.5 | $25,500.00 |
A54SX08-PQG208I 概要
An FPGA (Field Programmable Gate Array) is a semiconductor device containing configurable logic blocks and programmable interconnects that the designer wires together after manufacturing. Within the power-management hierarchy of a digital system, the FPGA sits between fixed-function ASICs (zero flexibility, lowest unit cost) and CPLDs (small, fast, low density). The Actel SX family uses a sea-of-modules architecture with fine-grained combinational and sequential modules, achieving performance and integration levels that simplify design time and reduce power consumption for performance-intensive applications.
Key features of the A54SX08 include antifuse-based one-time programmable configuration, which makes the configuration non-volatile and instantly active at power-up with no external configuration ROM or boot time. The SX sea-of-modules architecture supports high-speed, register-intensive designs, and the family is a well-established, proven solution for designs requiring long product lifecycles.
Technical depth: the SX architecture combines C-cell (combinational) and R-cell (register) modules in a flexible routing fabric, giving high logic utilization per gate compared to SRAM FPGAs of the same era. The dual supply arrangement separates core and I/O power, supporting 3.3V and 5V I/O signaling environments.
Typical applications include industrial control, networking and communications interfaces, mil-aerospace legacy designs, and high-reliability systems where instant-on configuration and design security matter.
Design consideration: because antifuse FPGAs are one-time programmable, prototype thoroughly and reserve spare I/O and routing headroom in the floorplan.
This page synthesizes verified distributor data, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet.
ドロップイン代替品: A54SX08-PQG208I — 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: A54SX08-PQG208I （同一形状・フットプリント） — 相違点: Operating Temperature, Package, Family, User I/O, System Gates.
クイック比較ツール — 並列比較する代替部品を選択:
A54SX08-1PQG208
✅ ドロップイン ⚠️ 仕様未検証✓ 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 →A54SX08-2PQG208
✅ ドロップイン✓ 在庫あり
$46.8 / 個
データシートを見る →A54SX16-1PQG208
✅ ドロップイン ⚠️ 仕様未検証✓ 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 →A54SX16-2PQG208I
✅ ドロップイン✓ 在庫あり
$47.95 / 個
データシートを見る →A54SX16-PQG208
✅ 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 →A54SX16P-PQG208
✅ ドロップイン✓ 在庫あり
$47.95 / 個
データシートを見る →A54SX08-PQG208I 最大定格＆電気的特性
| Series | SX (Actel SX Family) |
| Number of Equivalent Gates | 8000 |
| Logic Array Blocks (LABs) | 768 |
| Number of I/O | 130 |
| 電源電圧 | 3 V to 3.6 V, 4.75 V to 5.25 V |
| 最大クロック周波数 | 280 MHz |
| パッケージ / ケース | 208-BFQFP |
| Supplier Device Package | 208-PQFP (28x28 mm) |
| Programmable Type | Antifuse (One-Time Programmable) |
| Architecture | Sea-of-Modules |
| 実装タイプ | Surface Mount |
| 動作温度 | Industrial (I suffix) |
| Configuration Memory | Non-volatile antifuse, no external boot device |
A54SX08-PQG208I 208-pqfp (28x28 mm) ピン配置ガイド
A54SX08-PQG208I (208-pqfp (28x28 mm) 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: A54SX08-PQG208I.
詳細は データシート をご参照ください。
主な用途
A54SX08-PQG208I の用途: 6 件s: Industrial Control and Automation, Communications and Networking Interfaces, Aerospace and Defense Legacy Systems, Test and Measurement Equipment, Medical Device Control Logic, 5V Legacy System Retrofit.
Industrial Control and Automation
The A54SX08-PQG208I fits industrial control because its antifuse configuration is non-volatile and glitch-immune - a PLC I/O card powers up with valid logic within microseconds of rail stabilization, with no configuration controller to fail in electrically noisy factory environments. Its dual 3V-3.6V / 4.75V-5.25V supply architecture lets the 130 I/Os interface directly with legacy 5V sensors, relays, and backplanes while the core runs at 3.3V, and the 280 MHz-class SX architecture absorbs fast encoder decoding, PWM generation, and protocol glue logic that a CPLD cannot hold. Place it between front-end isolation and the MCU, decouple both rails with 10 uF plus 0.1 uF ceramics, and reserve 15-20% I/O and routing headroom since antifuse devices cannot be reprogrammed after deployment.
おすすめ
Communications and Networking Interfaces
Line-card and backplane designs favor the A54SX08-PQG208I because the SX sea-of-modules architecture delivers deterministic, low-skew timing for serial parallel interfaces, address decoding, and FIFO bridging at line rates well within its 280 MHz capability. Antifuse one-time programming removes the configuration bitstream from the board, an advantage in telecom equipment where configuration integrity and instant-on link establishment at hot-swap insertion are required. With 130 I/Os in a 28x28 mm 208-PQFP, one device terminates wide data buses that would otherwise need multiple smaller logic devices, reducing skew between groups. Designers should register all high-speed inputs to dedicated R-cells near the package perimeter and simulate with the -2 speed grade if backplane timing margins are tight.
おすすめ
Aerospace and Defense Legacy Systems
The Actel SX family established itself in mil-aerospace because antifuse FPGAs tolerate radiation-induced configuration upset better than SRAM cells and contain no stored configuration that can be read out - useful for design security in defense platforms. The A54SX08-PQG208I's industrial rating, non-volatile instant-on configuration, and dual-supply 5V-tolerant I/O keep legacy avionics and satellite-adjacent ground equipment serviceable without board redesign. The 8,000-gate capacity covers sequencers, bus interfaces, and voting logic typical of these systems. For sustainment, qualify the industrial-grade device against your platform's environmental spec, order last-time-buy quantities given the mature lifecycle, and archive the fuse programming files, because antifuse programming is irreversible and must be reproducible across production lots.
おすすめ
Test and Measurement Equipment
Bench instruments and ATE fixtures benefit from the A54SX08-PQG208I's combination of instant-on configuration and 130 flexible I/Os for driving stimulus, multiplexing measurement channels, and implementing counters and trigger state machines. The antifuse fabric offers deterministic timing with no configuration load delay, so a tester becomes ready the moment power is applied - important in production fixtures cycling power thousands of times per day. The 280 MHz-class architecture handles time-to-digital staging and fast comparators handshaking, while the 5V supply domain simplifies direct connection to legacy instrument rails. Route sensitive analog-side control lines away from fast switching I/O banks and verify setup/hold at the device speed grade selected for the instrument.
おすすめ
Medical Device Control Logic
In non-implant medical equipment such as diagnostic instruments, infusion workstations, and lab automation, the A54SX08-PQG208I provides reliable glue logic and sequencing whose configuration cannot silently corrupt - antifuse state is immune to soft errors that would require SRAM FPGA configuration reload, a consideration for safety-related control paths. The instant-on property means a device's safety interlock logic is active as soon as the 3.3V and 5V rails stabilize, without waiting for a boot flash. Its 130 I/Os integrate motor-index encoders, user-interface scanning, and sensor threshold comparators in one 28x28 mm package. Designers must still implement external watchdog supervision and fail-safe I/O since the internal logic itself is user-defined and cannot be field-updated after programming.
おすすめ
5V Legacy System Retrofit
Many installed industrial and transportation systems run 5V logic, and replacing failed ASICs or PAL/GAL clusters is the classic use case for the A54SX08-PQG208I: its 4.75V-5.25V I/O supply accepts 5V signaling directly, eliminating level shifters, while the 3V-3.6V core domain keeps dynamic power manageable. The antifuse device consolidates dozens of 22V10-class PLD functions - address decoders, wait-state generators, interrupt encoders - into a single 208-PQFP with 130 I/Os, cutting board area and interconnect failures. Because the device is one-time programmable, replicate the original design as verified netlists and burn devices per replacement batch. Document both rails in the BOM so maintenance teams understand the dual-supply requirement before power-on.
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: A54SX08-PQG208I — 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 | A54SX08-1PQG208 | A54SX08-2PQG208 | A54SX16-2PQG208I | A54SX16P-PQG208 |
|---|---|---|---|---|---|
| Package | 208-BFQFP (28x28 mm PQFP) | 208-PQFP (28x28 mm) - same | 208-PQFP (28x28 mm) - same | 208-PQFP (28x28 mm) - same | 208-PQFP (28x28 mm) - same |
| Brand | Microsemi (Microchip) | Microsemi (Microchip) | Microsemi (Microchip) | Microsemi (Microchip) | Microsemi (Microchip) |
| Supply Voltage | 3V-3.6V, 4.75V-5.25V | 3V-3.6V, 4.75V-5.25V | 3V-3.6V, 4.75V-5.25V | 3V-3.6V, 4.75V-5.25V | 3V-3.6V, 4.75V-5.25V |
| Temperature Grade | Industrial (I) | Commercial | Commercial | Industrial (I) | Commercial |
| Speed Grade | Base (P) | -1 | -2 (faster) | -2 (faster) | SX16P performance grade |
| Configuration Technology | Antifuse (one-time programmable) | Antifuse (one-time programmable) | Antifuse (one-time programmable) | Antifuse (one-time programmable) | Antifuse (one-time programmable) |
主な差別化要因
- Industrial temperature rating （vs A54SX08-2PQG208)
- Fastest timing within same density and package （vs A54SX08-1PQG208)
- Optimized cost at required density （vs A54SX16-2PQG208I)
- Entry SX family pricing vs SX16P performance tier （vs A54SX16P-PQG208)
設計ノート
The A54SX08-PQG208I requires two independent rails: 3V-3.6V and 4.75V-5.25V per the verified Microsemi specifications. Decouple each rail with at least 10 uF bulk plus 0.1 uF ceramic capacitors distributed across the 208-pin package perimeter. Because the SX family is antifuse-based with no configuration current, dynamic core current depends on toggle rate - budget power using Designer software power estimation with your actual netlist rather than assuming worst-case numbers. Verify rail sequencing against the SX family datasheet before applying 5V to a 3.3V-only board state.
Antifuse FPGAs are one-time programmable: an incorrect fuse file permanently consumes a device. Establish a locked, timing-signed-off fuse file under revision control before production programming, and always program with the same Designer software version used for sign-off, since tool releases can change routing algorithms. Preserve 15-20% spare I/O and routing headroom in the floorplan - an over-utilized SX design may fail to route late-stage changes, forcing a density migration to A54SX16 in the same package.
With 130 I/Os in a 28x28 mm PQFP, group fast-switching outputs on alternating sides of the package and return every bank to adjacent ground pins. The 5V domain permits legacy-level signaling; for edge-sensitive inputs on long backplane traces, register inputs in perimeter R-cells and consider series termination (22-33 ohm) to control ringing on unterminated lines. Run Designer static timing with the selected speed grade (-1, -2, or base) rather than datasheet generic numbers, and add 10-15% margin for industrial temperature corners.
The 208-PQFP (28x28 mm, 0.5 mm pitch) requires a foot pattern per the Microchip/Microsemi SX datasheet package drawing; verify land pattern against JEDEC PQFP-208 outlines before fab release. Use at least 2 oz copper pours on the outer layers under the device to spread heat and reduce ground inductance. Mark pin-1 per the package chamfer/dot, and inspect with 10x magnification after reflow - fine-pitch QFP solder bridges are the leading rework cause on legacy Actel boards.
コンプライアンス情報
Compliance data was not present in the verified web data for this legacy Actel SX part. Confirm RoHS/REACH status with Microchip (Microsemi) product change notifications before new designs.