A54SX32A-1TQG144M - 48K-Gate SX-A FPGA, 113 I/O | Microchip
MPN： A54SX32A-1TQG144M ✓ 啟用中A54SX32A-1TQG144M 概覽
An FPGA (field programmable gate array) is a semiconductor device containing a fabric of configurable logic blocks and programmable interconnects that the designer configures after manufacturing. Within the programmable logic hierarchy, the SX-A sits among antifuse-based, one-time-programmable FPGAs, positioned under the broader categories of programmable logic ICs and embedded processing hardware. Unlike SRAM FPGAs, antifuse devices such as the SX-A retain their configuration permanently and require no external boot ROM.
Key features include the sea-of-modules architecture that reduces design time and cost, one-time-programmable antifuse technology that eliminates configuration storage and improves design security, and low power consumption relative to SRAM-based alternatives. The -1 speed grade supports system frequencies suitable for glue logic consolidation, bus bridging, and state-machine implementations, while the 113 available I/Os handle wide parallel interfaces.
Technically, the SX-A fabric combines combinatorial modules with register-rich sequential modules, enabling efficient synthesis of both datapath and control logic. The 0.25 um process balances speed and cost, and the 2.5V core keeps dynamic power low. Designers typically access the device via Microchip (Actel) Designer software with synthesis from standard HDL flows.
Typical applications include industrial control, communications bridging, aerospace and defense boards that value the security of antifuse configuration, and obsolete-system lifecycle extensions where the SX32/SX-A footprint must be maintained.
A key design consideration: antifuse FPGAs are one-time programmable, so verify pinout, I/O standards, and timing constraints thoroughly before programming.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
直接替換替代品，適用於 A54SX32A-1TQG144M — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： A54SX32A-1TQG144M （相同外形與佔位） — 差異在於 Package, Family, System Gates, Process Technology, RoHS Status.
A54SX32A-1TQG144
✅ 直接替換聯絡詢價
查看資料表 →A54SX32A-1TQG144I
✅ 直接替換聯絡詢價
查看資料表 →A54SX32A-2TQG144I
✅ 直接替換聯絡詢價
查看資料表 →A54SX32A-TQG144IX53
✅ 直接替換聯絡詢價
查看資料表 →A54SX16A-1TQG144M
✅ 直接替換聯絡詢價
查看資料表 →A54SX32A-1TQG144M 最大額定值與電氣特性
| Family | SX-A |
| Gate Count | 32K gates (48K system gates) |
| Logic Cells / Modules | 1800 cells |
| Maximum Toggle Frequency | 278 MHz |
| Process Technology | 0.25 um |
| Core Supply Voltage | 2.5 V |
| Number of User I/Os | 113 |
| 封裝 | 144-pin TQFP |
| Speed Grade | -1 |
| 安裝類型 | Surface Mount |
| Programmable Type | One-Time Programmable (antifuse) |
| Packaging | Tray |
| Lead Free | Yes |
| RoHS 狀態 | Compliant |
| 類別 | Integrated Circuits (ICs) - Embedded - FPGA |
| Architecture | Sea-of-modules |
A54SX32A-1TQG144M 144-pin tqfp 腳位配置指南
A54SX32A-1TQG144M（144-pin tqfp 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： A54SX32A-1TQG144M.
請參閱 資料表 以查看完整腳位配置。
典型應用
A54SX32A-1TQG144M 適用於 6 應用s: Industrial Control and Automation, Aerospace and Defense Heritage Boards, Communications and Bus Bridging, Secure System Logic, Obsolete System Lifecycle Extension, Test and Measurement Instrumentation.
Industrial Control and Automation
The A54SX32A-1TQG144M fits industrial control because its 32K gates and 113 user I/Os consolidate PLC glue logic, encoder interfaces, and parallel bus bridges into one 144-TQFP device running from a low-power 2.5V core. The antifuse fabric is immune to configuration corruption from electrical noise, an advantage over SRAM FPGAs in electrically harsh factory environments. Implementing state machines and interface translation at up to 278 MHz toggle capability, the device removes configuration boot time so control logic is active within nanoseconds of power application. Designers should verify the temperature suffix of the ordering code for cabinet environments exceeding commercial ranges, and budget I/O banking rules during pin planning since not all 113 I/Os are interchangeable across banks.
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Aerospace and Defense Heritage Boards
Antifuse FPGAs like the A54SX32A-1TQG144M have long served defense and aerospace heritage platforms where one-time-programmable configuration eliminates bitstream theft and single-event configuration upset. The 48K system gates accommodate bus interfaces, telemetry framing, and voting logic, while instant-on operation suits systems with strict power-up requirements. Because many qualified programs are locked to the SX-A architecture, lifecycle replacement uses the same 144-TQFP footprint rather than a redesign. Engineers extending legacy boards should confirm lot traceability and date codes with the distributor, run the design through current Microchip Designer tool versions to regenerate programming files, and validate I/O standards against the SX-A datasheet electrical tables before programming flight or field spares.
推薦
Communications and Bus Bridging
The A54SX32A-1TQG144M bridges legacy parallel buses and communications backplanes using its 113 configurable I/Os and -1 speed grade toggle capability of 278 MHz. The sea-of-modules architecture efficiently maps register-rich datapaths for protocol conversion between formats such as parallel FIFO interfaces, address/data buses, and board-level control signals. The 2.5V core supply limits dynamic power in always-on networking equipment, and the antifuse fabric adds no configuration latency on link re-establishment. Design considerations include the 0.25 um process I/O voltage compatibility with legacy TTL/CMOS signaling levels, which suits older backplane standards; verify drive strength and slew settings in Microchip Designer against the datasheet I/O tables to guarantee signal-integrity margins on backplane traces.
推薦
Secure System Logic
Designs requiring configuration security choose the A54SX32A-1TQG144M because antifuse programming leaves no readable bitstream: unlike SRAM FPGAs that load configuration from external flash at every boot, the programmed antifuses physically define the logic and cannot be dumped or cloned. This makes the device appropriate for copy-protected products, key-management peripherals, and tamper-relevant logic where the design itself is intellectual property. With 32K gates and instant-on behavior, security-critical functions are active before any processor completes reset. Trade-offs are permanence - a programming error scraps the device - and fixed logic after deployment, so teams should freeze RTL, complete timing sign-off at the -1 speed grade, and program a qualification sample before committing production trays.
推薦
Obsolete System Lifecycle Extension
The A54SX32A-1TQG144M extends the life of systems originally built around Actel SX and SX-A FPGAs, including the A54SX32 (TQ144/BG329 packages) generation. Because the SX-A die shares the architecture and, in matching packages, the pinout of its predecessors, boards designed decades ago can be repopulated with lead-free A54SX32A devices without PCB respin. The 1800-cell fabric reproduces original glue-logic designs when the archived design files are re-run through current Microchip Designer tooling. Procurement teams should cross-check legacy part numbers (e.g., A54SX32-TQ144M) against the SX-A ordering codes, verify speed-grade timing margins in the older system, and stock spares given the mature status of this product line.
推薦
Test and Measurement Instrumentation
Bench instruments and ATE modules use the A54SX32A-1TQG144M for trigger logic, counters, timing generators, and interface adaptation between measurement front ends and processing boards. The 278 MHz toggle capability supports fine timing resolution in counter and delay-line functions, while 113 I/Os connect to sampling logic, relays, and status buses. Instant-on antifuse configuration lets the instrument pass self-test immediately at power-up, and deterministic timing - free of SRAM configuration jitter - benefits measurement repeatability. Layout guidance: keep the 2.5V core supply well decoupled, route high-fanout clock nets to the dedicated clock resources identified in the SX-A datasheet, and confirm the -1 speed grade timing model covers your fastest measurement clock before freezing the design.
推薦
推薦產品摘要
工程參考資料，適用於 A54SX32A-1TQG144M — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | A54SX32A-1TQG144 | A54SX32A-1TQG144I | A54SX32A-2TQG144I | A54SX32A-TQG144I | A54SX16A-1TQG144M |
|---|---|---|---|---|---|---|
| Package | 144-TQFP | 144-TQFP - same | 144-TQFP - same | 144-TQFP - same | 144-TQFP - same | 144-TQFP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Gate Count | 32K gates (48K system gates) | 32K gates (48K system gates) | 32K gates (48K system gates) | 32K gates (48K system gates) | 32K gates (48K system gates) | 16K gates (-50%) |
| Speed Grade | -1 | -1 | -1 | -2 (faster) | Standard (different) | -1 |
| User I/Os | 113 | 113 | 113 | 113 | 113 | 113 |
| Core Supply Voltage | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V |
| Lead Free / RoHS | Yes (M suffix) | Standard ordering code | Industrial grade | Industrial grade | Industrial grade | Yes (M suffix) |
主要差異化特點
- Full 32K-gate capacity at the same 144-TQFP footprint (對比A54SX16A-1TQG144M)
- RoHS-compliant lead-free construction (對比A54SX32A-1TQG144)
- Balanced speed grade for cost-optimized designs (對比A54SX32A-2TQG144I)
設計說明
The A54SX32A-1TQG144M is one-time programmable antifuse silicon: a programming error permanently consumes the device. Freeze RTL, complete static and post-layout timing sign-off with the -1 speed grade models, and program a qualification sample before committing production trays. Also confirm that the M suffix (lead-free/RoHS) matches your assembly process and regulatory requirements, since non-M and I-suffix ordering codes differ in lead finish and temperature grade.
Supply a clean 2.5V core rail with local decoupling (e.g., multiple 0.1uF ceramics plus bulk capacitance per the SX-A datasheet power guidelines). Dynamic power scales with toggle frequency, so at the 278 MHz ceiling the core current is at its maximum - use Microchip Designer power estimation with your actual net toggling rates rather than worst-case frequency for supply sizing. I/O bank voltages must match the signaling standards assigned in Designer; mixing standards across banks incorrectly is a common cause of I/O failures.
The 144-TQFP (0.5 mm pitch) leaves the JTAG programming pins accessible for one-time programming after reflow - route a programming header to the JTAG pins even on production boards for in-circuit programming and boundary-scan test. Keep 113 user I/O assignments within the datasheet banking rules; do not assume any pin can take any standard. For the mature 0.25 um process, follow the datasheet trace-length and ground-返回 guidance for fast clock nets to preserve signal integrity.
合規資訊
M suffix = lead free / RoHS compliant per distributor listings (xsourcepart, PCB Electronics, Kynix). REACH, halogen-free, and conflict-minerals declarations not stated in provided data - obtain from Microchip product page.
