A54SX08-2FG144 - 8K-Gate SX FPGA 320MHz 144-FBGA | Microchip
部品番号: A54SX08-2FG144 ✓ 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 |
A54SX08-2FG144 概要
A Field Programmable Gate Array (FPGA) is a semiconductor device containing a matrix of configurable logic blocks and programmable interconnects that the designer wires together to implement custom digital hardware. Within the programmable logic hierarchy, the FPGA sits above CPLDs and SPLDs, and the antifuse-based SX-A subfamily belongs to the one-time-programmable (OTP) class of FPGAs, which retain their configuration permanently and need no configuration ROM or boot sequence.
Key differentiating features include the sea-of-modules architecture, which achieves pin-to-pin propagation delays as low as 0.4 ns on FastConnect paths; dual 3.3V/5.0V supply operation supporting mixed-voltage system designs; and nonvolatile antifuse programming, which eliminates configuration time, reduces bill-of-materials cost, and provides inherent resistance to configuration corruption and radiation-induced configuration upsets compared with SRAM FPGAs.
Technically, the device is fabricated in a 0.35 um CMOS process and uses DirectConnect, FastConnect, segmented routing, and high-drive routing resources to balance speed and routability. The '-2' speed grade offers the family's fastest timings, and the trade-off for this performance is OTP flexibility: logic changes require a new device rather than a reflash, so designs must be fully verified before production.
Typical applications include high-performance glue logic consolidation, bus interfacing and bridge functions, industrial control state machines, communications line cards, and military/aerospace subsystems where antifuse immutability is an advantage.
Designers should budget I/O assignment carefully, since OTP devices cannot be reprogrammed; use the Libero SoC design flow from Microchip for synthesis, place-and-route, and timing sign-off at the -2 speed grade.
This page synthesizes distributor availability data, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet, with verified data as of 2026-09-03.
ドロップイン代替品: A54SX08-2FG144 — 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: A54SX08-2FG144 （同一形状・フットプリント） — 相違点: Package, Family, Supply Voltage, Operating Temperature, Configuration.
クイック比較ツール — 並列比較する代替部品を選択:
A54SX08-2FG144I
✅ ドロップイン✓ 在庫あり
$30.5 / 個
データシートを見る →A54SX08-2FGG144
✅ ドロップイン✓ 在庫あり
$38.5 / 個
データシートを見る →A54SX08-2FGG144I
✅ 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-FG144
✅ ドロップイン✓ 在庫あり
$109.78 / 個
データシートを見る →A54SX08-FG144I
✅ ドロップイン✓ 在庫あり
$109.79 / 個
データシートを見る →A54SX08-PFGG144
✅ ドロップイン📋 参考代替品（カタログ未掲載）
A54SX08-2FG144 最大定格＆電気的特性
| Family | Actel SX-A (SX) |
| Equivalent System Gates | 8000 |
| System Gates (max) | 12000 |
| Configurable Logic Blocks (CLBs) | 768 |
| Logic Cells | 512 |
| User I/O | 111 |
| Maximum Frequency | 320 MHz |
| Minimum Pin-to-Pin Propagation Delay | 0.4 ns (FastConnect) |
| Process Technology | 0.35 um CMOS |
| 電源電圧 | 3.3 V / 5 V |
| Programming Technology | Antifuse (one-time programmable) |
| Speed Grade | -2 |
| パッケージ | 144-ball FBGA, 12 x 12 mm, 1.00 mm pitch |
| 実装タイプ | Surface Mount |
A54SX08-2FG144 144-ball fbga, 12 x 12 mm, 1.00 mm pitch ピン配置ガイド
A54SX08-2FG144 (144-ball fbga, 12 x 12 mm, 1.00 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: A54SX08-2FG144.
詳細は データシート をご参照ください。
主な用途
A54SX08-2FG144 の用途: 6 件s: Glue Logic Consolidation, Industrial Control and Automation, Communications Line Cards, Aerospace and Defense Legacy Subsystems, Test and Measurement Instrumentation, Medical Device Interface Electronics.
Glue Logic Consolidation
The A54SX08-2FG144 replaces dozens of 74-series SSI/MSI devices in board-level interconnect, decoding, and bus-matching roles. Its 8,000 equivalent gates and 768 CLBs absorb address decoders, bus transceivers, and state elements into one 12 x 12 mm FBGA, cutting BOM count and assembly cost, while the 0.4 ns FastConnect pin-to-pin delay preserves the timing margins that discrete TTL paths previously provided. Because the antifuse fabric is nonvolatile and instant-on, the consolidated logic works from the first clock cycle with no configuration loader, matching the behavior of the discrete parts it replaces. At 3.3V or 5V I/O operation, it interfaces directly with legacy 5V buses, a capability modern SRAM FPGAs often lack.
おすすめ
Industrial Control and Automation
In PLC I/O modules, motor-control sequencing, and machine-state supervision, the A54SX08-2FG144 implements deterministic control state machines at up to 320 MHz internal toggle rates, far beyond MCU software loops. The antifuse configuration cannot be corrupted by brownouts or EMI events on the factory floor - a frequent failure mode for SRAM FPGAs that lose or corrupt configuration data. With 111 user I/Os in a 1.00 mm-pitch 144-FBGA, designers can terminate encoders, limit switches, and fieldbus transceivers directly. For harsh-temperature cabinets, the A54SX08-2FG144I industrial-grade variant is a pin-identical substitution; both parts are designed with the Libero flow and verified via timing simulation before OTP programming.
おすすめ
Communications Line Cards
Telecom and datacom line cards of the SX-A era used SX FPGAs for framing, multiplexing, and backplane interface logic. The A54SX08-2FG144's 0.4 ns FastConnect paths and segmented/high-drive routing support the tight skew and setup budgets of backplane interfaces, while the 3.3V/5V dual supply bridges mixed-voltage backplanes. Its instant-on behavior means links retrain as soon as power is applied, without a configuration download window that could trigger watchdog faults in central-office equipment. The 111 user I/Os accommodate T1/E1 framers, SerDes glue, and LED/relay drive logic on one die. For designs needing more capacity in the same footprint strategy, the A54SX16 series offers a path within the same architecture and toolchain.
おすすめ
Aerospace and Defense Legacy Subsystems
Antifuse FPGAs hold a privileged position in defense electronics because their configuration is physically blown, immune to single-event configuration upsets and impossible to dump or corrupt in the field. The A54SX08-2FG144 has served in radar interface boards, avionics glue logic, and secure controller paths where predictable, immutable behavior is mandated. Its 320 MHz -2 speed grade covers counter, encoder, and interface timing needs, and the absence of a configuration PROM removes an entire failure class and supply-chain dependency. Note that this commercial part is not radiation-characterized; new rad-tolerant designs should use the Microchip RTAX family (e.g., RTAX2000S), while this device suits ground, sheltered, and legacy-refresh programs.
おすすめ
Test and Measurement Instrumentation
Bench instruments and ATE fixtures use the A54SX08-2FG144 for timing generators, counter chains, and trigger logic. The deterministic pin-to-pin delays of the SX architecture (0.4 ns FastConnect, well-characterized -2 speed-grade timing models) let instrument designers close picosecond-class skew budgets that software-configured SRAM fabrics with variable routing delay complicate. Because antifuse parts are programmed once and never reloaded, measurement repeatability is identical across every unit shipped - an auditable advantage for calibration procedures. The 3.3V/5V I/O flexibility interfaces directly with legacy TTL-level instrumentation buses, and the 144-FBGA footprint keeps signal escape simple on 4-layer test boards.
おすすめ
Medical Device Interface Electronics
Diagnostic and monitoring equipment benefits from the A54SX08-2FG144's fixed, verified logic: once the design is signed off and programmed, its behavior is locked for the device's service life, simplifying regulatory validation of digital interface blocks for sensors, front-end ADCs, and user-interface buttons. Instant-on antifuse configuration ensures the instrument is operational the moment power is applied - relevant for patient-connected equipment with strict power-up behavior requirements. The 111 user I/Os in a compact 12 x 12 mm FBGA support dense multi-channel front ends, and low configuration-related failure modes support long service intervals. Designers should select the industrial-temperature A54SX08-2FG144I variant for equipment requiring wider environmental qualification.
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: A54SX08-2FG144 — 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 | A54SX08-2FG144I | A54SX08-2FGG144 | A54SX08-FG144 | A54SX08-PFGG144 |
|---|---|---|---|---|---|
| Package | 144-FBGA (12 x 12 mm) | 144-FBGA - same | 144-FBGA - same | 144-FBGA - same | 144-PBGA - same terminal count |
| Brand | Microchip Technology (Actel) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Equivalent Gates | 8000 | 8000 | 8000 | 8000 | 8000 |
| CLBs / Cells | 768 / 512 | 768 / 512 | 768 / 512 | 768 / 512 | 768 / 512 |
| User I/O | 111 | 111 | 111 | 111 | 113 in / 113 out (per Microchip USA) |
| Supply Voltage | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V |
| Temperature Grade | Commercial | Industrial | Commercial | Commercial | Commercial |
| Programming Technology | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) |
主な差別化要因
- Fastest speed grade in the 8K-gate SX-A line （vs A54SX08-PFGG144)
- Industrial-temperature drop-in available （vs A54SX08-2FG144I)
- Antifuse immutability and instant-on （vs SRAM FPGAs of similar capacity)
- Dual 3.3V/5V I/O operation （vs A54SX08-FG144 (-1 grade))
設計ノート
The A54SX08-2FG144 is one-time programmable. Unlike SRAM FPGAs, there is no rework after programming: a design change means scrapping the device. Complete timing closure, functional simulation, and boundary-scan verification in Libero before releasing devices to the programming house. Keep at least one spare programmed device per board revision, and lock the RTL/design archive since recompilation for a new build must reproduce identical timing at the -2 speed grade.
The 144-ball FBGA uses a 1.00 mm pitch on a 12 x 12 mm body. Fan out with via-in-pad or dog-bone escape on 0.8 mm BGA rules; a 4-layer stack with dedicated ground plane is recommended for the 3.3V/5V dual-supply design. Verify the footprint against the FG144 ballout column of the 54SX family datasheet - pin assignments differ across the family's QFP and BGA options, and a footprint copied from a TQ144 QFP layout will not fit.
Decouple both VCC rails (3.3V core/I-O and 5V I-O where used) with at least 0.1 uF ceramic per supply pin pair plus 10 uF bulk near the device. Because FastConnect paths switch with 0.4 ns edges, simultaneous switching noise on 111 I/Os can be significant; assign ground balls generously in the I/O planner and avoid returning high-drive outputs through a shared narrow ground path.
When migrating between same-family 144-FBGA variants (-2 vs -1 speed grades, commercial vs industrial suffixes), the ballout is unchanged, so layout reuse is straightforward - but re-run timing at the substituted speed grade. The -1 speed grade parts are roughly 25% slower (240 MHz class vs 320 MHz), which can break paths that closed with margin only at -2.
コンプライアンス情報
Compliance status not stated in the retrieved distributor data for this legacy Actel/Microchip SX-A part. Verify RoHS/REACH status on the official Microchip product page before procurement.
