A54SX32-2TQG176I - 48K Gate SX-A FPGA 176-TQFP | Microsemi
部品番号: A54SX32-2TQG176I ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $78.5 | $78.50 |
| 10 | $71.2 | $712.00 |
| 100 | $64.9 | $6,490.00 |
| 500 | $59.4 | $29,700.00 |
| 1,000 | $55.1 | $55,100.00 |
A54SX32-2TQG176I 概要
An FPGA (Field-Programmable Gate Array) is a semiconductor device containing a matrix of configurable logic blocks and programmable interconnects that the designer wires together after manufacturing. The SX family belongs to the antifuse FPGA category: unlike SRAM-based FPGAs, its programming connections are one-time programmable (OTP), which means the configuration is non-volatile, instantly available at power-up, and inherently resistant to configuration readback attacks. Antifuse FPGAs sit within the broader programmable logic hierarchy alongside flash-based and SRAM-based FPGAs, CPLDs, and ASICs.
Key features of the A54SX32-2TQG176I include a sea-of-modules architecture that delivers gate-level ASIC-like performance, 1,800 logic cells (modules), 0.35 um fabrication technology, and a -2 speed grade. The dual-rail supply architecture supports both 3.3V and 5V I/O environments, easing integration into mixed-voltage legacy systems common in industrial and aerospace platforms.
Technically, the sea-of-modules fabric implements logic in a repeating array of C-cells (combinational) and R-cells (sequential/register), interconnected through antifuse program points. This structure minimizes routing delay variability and enables deterministic, predictable timing compared to SRAM FPGA routing, with typical system-level performance up to 320 MHz as cited by distributors. Because the antifuse is programmed only once, the device also avoids configuration-scrubbing complexity in radiation-sensitive or high-reliability environments, a hallmark reason Actel/Microsemi parts are entrenched in avionics and defense designs.
Typical applications include industrial control and automation, communications and networking line cards, medical instrumentation, and military/aerospace subsystems where instant-on, non-volatile configuration and supply-chain-proven longevity matter. The 147 user I/O count fits glue-logic consolidation, bus interface bridging, and protocol conversion roles.
A critical design consideration: antifuse devices are one-time programmable, so a design error requires a physical part swap. Budget for programming yields and keep programmed spare inventory; use Libero/Microsemi toolchains for place-and-route and verify timing before commit.
This page synthesizes distributor pricing, drop-in speed-grade and family alternatives, and practical design notes not found in the manufacturer datasheet, verified as of 2026-09-03.
ドロップイン代替品: A54SX32-2TQG176I — 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: A54SX32-2TQG176I （同一形状・フットプリント） — 相違点: Family, Package, Process Technology, System Gates, RoHS Status.
クイック比較ツール — 並列比較する代替部品を選択:
A54SX32A-2TQG176I
✅ ドロップイン✓ 在庫あり
$38 / 個
データシートを見る →A54SX32-1TQG176I
✅ ドロップイン✓ 在庫あり
$45.2 / 個
データシートを見る →A54SX32-TQG176I
✅ ドロップイン✓ 在庫あり
$86.75 / 個
データシートを見る →A54SX32-2TQG176
✅ 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 →A54SX32-2TQ176I
✅ ドロップイン📋 参考代替品（カタログ未掲載）
A54SX32-2TQG176I 最大定格＆電気的特性
| System Gates | 48,000 |
| Logic Cells | 1,800 |
| User I/O | 147 |
| Maximum Frequency | 320 MHz |
| Technology | 0.35 um antifuse |
| Speed Grade | -2 |
| Supply Voltage (Core/I-O rail 1) | 3 V to 3.6 V |
| Supply Voltage (rail 2) | 4.75 V to 5.25 V |
| Programmability Type | One-Time Programmable (antifuse) |
| Family | SX |
| パッケージ / ケース | 176-LQFP (TQFP, 24x24 mm) |
| Supplier Device Package | 176-TQFP (24x24) |
| 実装タイプ | Surface Mount |
| 動作温度 | -40C to +85C (industrial, I suffix) |
| RoHS ステータス | RoHS Compliant |
| Lead Free Status | Lead Free |
A54SX32-2TQG176I 176-tqfp (24x24) ピン配置ガイド
A54SX32-2TQG176I (176-tqfp (24x24) 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: A54SX32-2TQG176I.
詳細は データシート をご参照ください。
主な用途
A54SX32-2TQG176I の用途: 6 件s: Industrial Automation and Control, Military and Avionics Subsystems, Communications and Networking Line Cards, Medical Instrumentation, Test and Measurement Equipment, Secure Embedded Systems.
Industrial Automation and Control
The A54SX32-2TQG176I suits industrial controllers and PLC I/O subsystems because its 48,000 gates and 147 user I/Os consolidate discrete glue logic, bus interfacing, and interlock logic into one deterministic antifuse device. The industrial -40C to +85C rating of the I suffix tolerates uncontrolled factory-floor and cabinet environments, while the dual 3.3V/5V supply rails (3V-3.6V and 4.75V-5.25V) allow direct interfacing with legacy 5V sensors and 3.3V microcontroller buses. Because the antifuse configuration is non-volatile, the controller is fully operational the instant power is applied, with no configuration loader to fail after power brownouts. Place the FPGA between field bus transceivers and the host CPU, implementing handshake, address decoding, and fault-latching at the fabric's up-to-320 MHz timing capability, with timing deterministic across lot-to-lot variation.
おすすめ
Military and Avionics Subsystems
Antifuse FPGAs are entrenched in defense and aerospace platforms because the one-time-programmed configuration cannot be read back or altered, and the device powers up functional with zero configuration time - both properties valued in mission-critical avionics. The A54SX32-2TQG176I provides 32K-gate-class density (48,000 system gates, 1,800 cells) for functions such as ARINC-style bus glue logic, telemetry formatting, and discrete-to-digital conversion. Its sea-of-modules fabric gives deterministic routing delays, simplifying worst-case timing analysis required by safety reviews. The industrial temperature rating and long production history under Microsemi/Microchip support multi-decade platform sustainment. Designers should implement single-event-upset mitigation at the RTL level (TMR on registers) since the antifuse fabric is flip-flop based, and rely on the manufacturer datasheet timing models for certification evidence.
おすすめ
Communications and Networking Line Cards
In telecom and networking line cards, the A54SX32-2TQG176I performs backplane bus bridging, framing, and control-plane glue logic where its 147 user I/O pins handle wide parallel buses. The SX family's up-to-320 MHz operation supports line-rate parallel data handling in legacy T1/E1 and early Ethernet equipment, and deterministic antifuse timing simplifies meeting backplane setup/hold budgets across temperature. The dual-rail supply (3.3V core/I-O and 5V rail) eases integration into mixed-voltage chassis designs. Because the configuration is fixed at programming, service providers gain protection against accidental or malicious logic changes in deployed cards. A practical consideration: antifuse OTP means any firmware feature change requires new silicon, so hold programmed spares for field-return service and validate the bitstream against every speed-grade bin used in production.
おすすめ
Medical Instrumentation
Medical diagnostic equipment benefits from the A54SX32-2TQG176I's combination of instant-on operation, deterministic timing, and stable long-term supply. The 48,000-gate fabric implements front-end sequencing, ADC control interfaces, and safety interlock logic, while the 147 user I/Os connect sensor arrays, displays, and the host processor. Antifuse non-volatility ensures the instrument's logic is active the moment power is applied - important for patient-safety interlocks that must default to a safe state without depending on a configuration load. The industrial -40C to +85C rating exceeds typical clinical requirements, adding margin for transport and storage conditions. Regulatory teams also value that the programmed configuration is immutable, easing design-history documentation. Verify the 3V-3.6V and 4.75V-5.25V rails against the instrument's power architecture and add local decoupling per pin group.
おすすめ
Test and Measurement Equipment
Bench and automated test instruments use the A54SX32-2TQG176I as trigger logic, timing generators, and bus interface fabric. The sea-of-modules architecture delivers predictable, low-skew clock distribution - with device operation up to 320 MHz - which matters for trigger alignment and counter/timer accuracy. Its 1,800 logic cells and 147 user I/Os handle multi-channel stimulus/response interfacing, and the dual 3.3V/5V supply rails connect directly to legacy instrument backplanes. Because antifuse configuration is hard-wired, instruments recalibrate and become operational immediately at power-up, reducing boot time in rack systems that power-cycle frequently. A design tip: implement trigger delay chains in R-cells for matched delays and confirm setup/hold against the -2 speed grade AC tables in the 54SX datasheet before locking the programming file.
おすすめ
Secure Embedded Systems
The A54SX32-2TQG176I's antifuse technology makes it a strong choice for security-sensitive embedded systems: there is no bitstream stored in external flash to extract, and the programmed interconnect cannot be read back, defending against reverse-engineering of proprietary logic. Systems such as authentication dongles, key-management boards, and secure boot gatekeepers use the 48,000-gate fabric for state machines, challenge-response logic, and bus firewalls. Instant-on behavior removes boot-time attack windows that SRAM FPGAs expose while loading configuration. The industrial temperature range and dual-rail operation (3V-3.6V, 4.75V-5.25V) fit both embedded and rack environments. Trade-off to communicate to program managers: OTP logic cannot be field-updated, so security patches require hardware swap - keep pre-programmed, version-controlled spare stock and use Microsemi programming services with audited bitstream handling.
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: A54SX32-2TQG176I — 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-2TQG176I | A54SX32-1TQG176I | A54SX32-TQG176I | A54SX32-2TQG176 | A54SX32-2TQ176I |
|---|---|---|---|---|---|---|
| Package | 176-TQFP (24x24 mm) | 176-TQFP (24x24 mm) - same | 176-TQFP (24x24 mm) - same | 176-TQFP (24x24 mm) - same | 176-TQFP (24x24 mm) - same | 176-TQFP (24x24 mm) - same |
| Brand | Microsemi (Microchip) | Microsemi | Microsemi | Microsemi | Microsemi | Microsemi |
| System Gates | 48,000 | 32K-class (same density) | 48,000 | 48,000 | 48,000 | 48,000 |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C (I suffix) | -40C to +85C (industrial) | Commercial (0C to +70C) | Commercial (no I suffix) | -40C to +85C (industrial) |
| RoHS / Lead Finish | RoHS compliant, lead free (G suffix) | RoHS compliant (G) | RoHS compliant (G) | RoHS compliant (G) | RoHS compliant (G) | Non-G, lead-bearing - not RoHS |
| Technology / Programmability | 0.35 um antifuse (OTP) | 0.25 um antifuse (OTP) | 0.35 um antifuse (OTP) | 0.35 um antifuse (OTP) | 0.35 um antifuse (OTP) | 0.35 um antifuse (OTP) |
主な差別化要因
- Deterministic 0.35 um antifuse timing （vs A54SX32A-2TQG176I)
- Industrial temperature rating （vs A54SX32-2TQG176)
- RoHS-compliant green package （vs A54SX32-2TQ176I)
- Faster speed grade availability （vs A54SX32-1TQG176I)
設計ノート
The A54SX32 is one-time programmable (antifuse OTP). Never release the programming file before completing post-place-and-route timing verification and gate-level simulation in the Microsemi Designer/Libero flow - a logic error cannot be patched in the field and requires new silicon. Budget for programming yield (industry practice commonly reserves 5-10% spare programmed parts) and keep version-controlled bitstream archives tied to the exact designer software revision used to generate them, since toolchain version changes can alter routing and timing.
The device requires dual rails: 3V-3.6V and 4.75V-5.25V per the Microchip USA specification. Sequence or at least decouple both domains carefully: fit 0.1 uF ceramic capacitors at each supply/ground pin pair on all four sides of the 176-TQFP plus 10 uF bulk per rail. Estimate: with 147 user I/O, I/O switching current can dominate total power - use the datasheet current equations with your actual toggle rates rather than assuming worst case, and confirm regulator droop during simultaneous bus switching.
Design the 176-TQFP (24x24 mm) footprint directly from the manufacturer mechanical drawing in the 54SX family datasheet (a54sx_ds.pdf) rather than from third-party CAD libraries, which are frequently wrong for mature Actel packages. Use the programming pin assignments exactly as specified - they are fixed and must not be repurposed. For signal integrity on the 5V-tolerant interface domain, keep stub lengths short on parallel buses and verify setup/hold with the -2 grade AC tables; the deterministic antifuse routing makes these calculations reliable once the design is routed.
コンプライアンス情報
RoHS Compliant and Lead Free per digchip.com datasheet listing for A54SX32-2TQG176I. REACH, halogen-free, and conflict-minerals status not stated in provided data - request declarations from Microchip/Microsemi.
