A54SX08-PQG208 - 8K-Gate SX FPGA, 208-Pin PQFP | Microsemi
部品番号: A54SX08-PQG208 ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $42.5 | $42.50 |
| 10 | $39.1 | $391.00 |
| 100 | $35.8 | $3,580.00 |
| 500 | $32.4 | $16,200.00 |
| 1,000 | $29.75 | $29,750.00 |
A54SX08-PQG208 概要
A field-programmable gate array (FPGA) is a semiconductor device containing an array of configurable logic blocks (CLBs) and programmable interconnects that the designer wires together to implement custom digital hardware. Within the programmable logic hierarchy, the SX family occupies the high-speed, sea-of-modules segment, using antifuse technology rather than SRAM configuration cells.
Key features include the Actel sea-of-modules architecture delivering gate-array-like performance, non-volatile antifuse programming that requires no configuration PROM and provides inherent resistance to configuration corruption, 512 logic modules in approximately 8K usable gates, and a broad 130-I/O budget in a surface-mount quad flatpack.
Technically, the device is fabricated on a 0.35 um CMOS process. The antifuse architecture yields low routing delay and deterministic timing, historically making SX devices popular in high-reliability, military, and industrial systems where instant-on behavior and design security matter.
Typical applications include glue-logic consolidation, bus interfacing and bridging, industrial control sequencing, and aerospace/defense subsystems that previously relied on the Actel SX family.
Design consideration: antifuse FPGAs are one-time programmable - validate the bitstream thoroughly in simulation and on engineering silicon before production programming.
This page synthesizes distributor pricing, drop-in same-family alternatives, pinout guidance, and practical design notes not found in the manufacturer datasheet.
ドロップイン代替品: A54SX08-PQG208 — 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-PQG208 （同一形状・フットプリント） — 相違点: Family, Operating Temperature, User I/O, Package, Logic Cells.
クイック比較ツール — 並列比較する代替部品を選択:
A54SX08-PQG208I
✅ ドロップイン✓ 在庫あり
$25.5 / 個
データシートを見る →A54SX08-2PQG208I
✅ 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 →A54SX08-1PQG208I
✅ ドロップイン✓ 在庫あり
$32.6 / 個
データシートを見る →A54SX08-1PQG208
✅ 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 →A54SX08-2PQG208
✅ ドロップイン✓ 在庫あり
$46.8 / 個
データシートを見る →A54SX08-P1PQG208
✅ ドロップイン📋 参考代替品（カタログ未掲載）
A54SX08-P1PQG208I
✅ ドロップイン📋 参考代替品（カタログ未掲載）
A54SX08-PQG208 最大定格＆電気的特性
| Family | Actel SX (54SX) |
| Equivalent Gates | 8000 |
| Logic Modules / Cells | 512 |
| User I/O | 130 |
| Max System Clock Frequency | 240 MHz (up to 280 MHz per speed-grade variant) |
| Supply Voltage (VCC) | 3.0 V to 3.6 V |
| Supply Voltage (VCCI) | 4.75 V to 5.25 V |
| Process Technology | 0.35 um CMOS |
| Programming Technology | Antifuse (one-time programmable) |
| パッケージ / ケース | 208-BFQFP |
| Supplier Device Package | 208-PQFP (28x28 mm) |
| Terminal Pitch | 0.5 mm |
| 実装タイプ | Surface Mount |
| Configuration | Non-volatile, no configuration PROM required |
| Number of Logic Blocks (LABs/CLBs) | 768 (per Microchip USA listing) |
A54SX08-PQG208 208-pqfp (28x28 mm) ピン配置ガイド
A54SX08-PQG208 (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-PQG208.
詳細は データシート をご参照ください。
主な用途
A54SX08-PQG208 の用途: 6 件s: Glue Logic Consolidation, Industrial Control and Automation, Bus Bridging and Interface Conversion, Aerospace and Defense Subsystems, Test and Measurement Equipment, Legacy System Sustainment and Repair.
Glue Logic Consolidation
The A54SX08-PQG208 excels at replacing dozens of 74-series discrete logic devices with a single 8,000-gate antifuse FPGA. Its 130 user I/Os operating from a 4.75-5.25 V I/O rail interface directly with legacy 5 V TTL and CMOS signals, while the 3.0-3.6 V core keeps static power low. Because Actel antifuse programming is non-volatile, the consolidated logic is active immediately at power-up with no configuration loader, boot PROM, or microcontroller supervision. Deterministic pin-to-pin delays of the SX sea-of-modules architecture simplify fixing setup/hold margins when merging decoders, bus transceivers, counters, and state machines into one 208-PQFP package, cutting board area and BOM line items substantially.
おすすめ
Industrial Control and Automation
In factory automation, motor-sequencing panels, and PLC I/O subsystems, the A54SX08-PQG208 provides deterministic, instantly-ready control logic. The industrial temperature options (A54SX08-PQG208I, A54SX08-2PQG208I) cover extended ambient ranges common on plant floors, while the 5 V I/O rail (4.75-5.25 V) connects natively to industrial sensors, optocouplers, and legacy actuators without level shifters. Its antifuse configuration cannot be corrupted by brown-outs or EMI events that would upset SRAM FPGAs, improving uptime. Designers typically implement PWM generators, quadrature-decoder counters, and interlock state machines in the 512 logic modules, exploiting system clock capability up to roughly 240 MHz for precise timing edges.
おすすめ
Bus Bridging and Interface Conversion
The A54SX08-PQG208 suits bus-bridging designs that translate between legacy 5 V buses and 3.3 V subsystems, leveraging its dual-rail architecture: a 3.0-3.6 V core and a separate 4.75-5.25 V I/O supply. Typical bridges include PCI-style local bus arbiters, ISA/VME interface adapters, memory-bus multiplexers, and parallel-to-serial converters. With 130 user I/Os spread across the 208-PQFP (28x28 mm, 0.5 mm pitch), wide 16- and 32-bit buses terminate with adequate pin spacing for wave-solder and inspection processes. The antifuse fabric's short, predictable routing delays keep bus turnaround and address decode timing stable across process corners, simplifying timing analysis versus SRAM FPGAs.
おすすめ
Aerospace and Defense Subsystems
Actel SX antifuse FPGAs have a long heritage in defense electronics, and the A54SX08-PQG208 fits ground-based and sheltered avionic subsystems such as test-set controllers, telemetry formatters, and payload interface logic. The key advantage is configuration immunity: antifuse interconnects cannot be flipped by single-event effects the way SRAM cells can, and no configuration bitstream is exposed in external memory for interception. For programs requiring radiation-tolerant qualification, migrate to the RTAX family within the same Microchip design flow. Designers value the instant-on behavior for power-critical platforms and the one-time-programmable fabric for tamper resistance in deployed field equipment.
おすすめ
Test and Measurement Equipment
Bench instruments, PXI modules, and automatic test equipment use the A54SX08-PQG208 for timing generators, trigger matrices, and register-file based sequencing. System operation near 240 MHz (280 MHz on the P1 speed grade) supports sub-10 ns event resolution, while deterministic antifuse routing ensures channel-to-channel skew stays repeatable - critical for correlated multi-channel measurements. The 130 I/Os accommodate backplane connectors, front-end multiplexers, and status buses; the 5 V tolerant I/O rail interfaces with older instrumentation logic families. Because the device is active at power application, self-test routines execute before an OS or soft-configuration chain loads, shortening instrument boot time measurably.
おすすめ
Legacy System Sustainment and Repair
Maintainers of legacy avionics, telecom switches, and industrial systems frequently need exact-form-fit-function replacements for populated boards, and the A54SX08-PQG208 addresses this directly: it remains orderable while many contemporary SRAM FPGAs have gone end-of-life. Its 208-PQFP footprint allows drop-in repair of existing PCBs, and because antifuse programming is permanent, replacement units can be factory-programmed with archived design files and shipped as fully qualified spares with no firmware-loading step on site. Keeping the same speed grade or selecting a faster grade (P1/-2) guarantees timing compatibility with original board timing budgets and certification data.
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-PQG208 — 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-PQG208I | A54SX08-2PQG208I | A54SX08-1PQG208I | A54SX08-1PQG208 | A54SX08-P1PQG208 |
|---|---|---|---|---|---|---|
| Package | 208-BFQFP / 208-PQFP (28x28 mm) | 208-PQFP (28x28 mm) - same | 208-PQFP (28x28 mm) - same | 208-PQFP (28x28 mm) - same | 208-PQFP (28x28 mm) - same | 208-PQFP (28x28 mm) - same |
| Brand | Microsemi (Microchip Technology) | Microsemi | Microsemi | Microsemi | Microsemi | Microchip Technology |
| Equivalent Gates | 8000 | 8000 | 8000 | 8000 | 8000 | 8000 |
| User I/O | 130 | 130 | 130 | 130 | 130 | 130 |
| Supply Voltage | 3.0-3.6 V core, 4.75-5.25 V I/O | 3.0-3.6 V / 4.75-5.25 V | 3.0-3.6 V / 4.75-5.25 V | 3.0-3.6 V / 4.75-5.25 V | 3.0-3.6 V / 4.75-5.25 V | 3.0-3.6 V / 4.75-5.25 V |
| Temperature Grade | Commercial | Industrial | Industrial | Industrial | Commercial | Commercial |
| Programming Technology | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) |
主な差別化要因
- Non-volatile antifuse configuration （vs SRAM-based FPGAs (e.g., Xilinx Spartan family))
- Native 5 V I/O interface （vs A54SX16-2VQG100 and most modern FPGAs)
- Cost-optimal entry point in the SX family （vs A54SX16-PQG208)
- Deterministic timing vs in-system reconfigurability （vs A54SX08-P1PQG208 (faster speed grade))
設計ノート
Design the power tree around the dual-rail requirement: 3.0-3.6 V for the core (VCC) and 4.75-5.25 V for the I/O ring (VCCI). Place bulk 10-22 uF plus 0.1 uF ceramic decoupling at each supply group, with one 0.1 uF per pair of power pins on the 208-PQFP. Because antifuse FPGAs draw no configuration current, inrush is dominated by I/O switching; still verify per-rail current against the datasheet ICC figures for your utilization. Estimated: with 50% of 130 I/Os toggling 5 V loads at 10 MHz, I/O-rail current can reach hundreds of milliamps - size the 5 V regulator accordingly.
Antifuse devices are one-time programmable: an erroneous or incomplete programming cycle permanently consumes the device. Always reserve spare engineering parts, use a validated programming file with correct device/speed-grade selection (programming a -1 file into a P1 part works, but not the reverse), and lock the designer project revision to the programmed fuse file. Also confirm I/O standards are set for the 5 V VCCI ring - driving 3.3 V-only external devices from the 5 V rail risks overvoltage damage on external ICs.
The 208-PQFP has a 0.5 mm terminal pitch: specify a 0.25 mm-wide stencil aperture reduced by 10-15% to prevent solder bridging, and use fiducials on two diagonal corners for placement accuracy. Route the 5 V I/O ring away from sensitive analog traces, and keep clock inputs short and referenced to a solid ground plane. For rework, PQFP lead pitch of 0.5 mm makes hot-air removal feasible but drag-soldering risky - use a properly profiled reflow or a qualified contract rework station.
コンプライアンス情報
Compliance data not present in retrieved web data; this is a legacy 0.35 um Microsemi/Microchip part - verify RoHS/lead-free status with Microchip before procurement.