A54SX32-TQG144 - 48K-Gate Antifuse FPGA, 144-TQFP | Microchip
MPN： A54SX32-TQG144 ✗ 停產A54SX32-TQG144 概覽
An FPGA (Field-Programmable Gate Array) is a semiconductor device containing a fabric of programmable logic blocks and interconnects that designers configure to implement custom digital circuits. Within the programmable-logic hierarchy, the A54SX32 sits in the high-performance, one-time-programmable (OTP) segment: FPGA -> programmable logic device -> application-specific digital IC. Unlike SRAM FPGAs, its antifuse architecture retains its configuration permanently, requires no external configuration PROM, and powers up instantly with no configuration delay.
Key features of the A54SX32-TQG144 include the SX family's sea-of-modules architecture, which delivers gate-level performance far above typical SRAM FPGAs of its era; 100% fillable logic fabric with 2880 C-cells and R-cells for combinational and sequential logic; and 113 user I/O distributed around the 144-lead thin quad flat package. The antifuse interconnect adds very low routing capacitance, supporting high clock rates and low dynamic power consumption.
Technically, the device is manufactured on a CMOS process with metal-to-metal antifuse elements programmed at the factory-test stage or during board-level programming. Because the configuration is hard-wired, the part offers inherent resistance to bit-stream interception and radiation-induced configuration upsets, which is why the SX family is widely used in military and aerospace designs.
Typical applications include high-speed glue logic integration, bus interfacing, coprocessor acceleration, telecom line-card control, and defense electronics that demand instant-on, secure, single-chip logic integration.
A key design consideration is that antifuse devices are one-time programmable: there is no in-system reconfiguration, so designers must verify logic thoroughly before programming and keep spare routing capacity for engineering changes.
This page adds distributor availability context, same-package drop-in alternatives, and practical design guidance not found in the manufacturer datasheet.
直接替換替代品，適用於 A54SX32-TQG144 — 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： A54SX32-TQG144 （相同外形與佔位） — 差異在於 Package, Family, System Gates, Process Technology, RoHS Status.
A54SX32-1TQG144
✅ 直接替換聯絡詢價
查看資料表 →A54SX32-2TQG144I
✅ 直接替換聯絡詢價
查看資料表 →A54SX32-TQG144I
✅ 直接替換聯絡詢價
查看資料表 →A54SX32A-TQG144M
✅ 直接替換📋 參考替代品（不在目錄中）
A54SX32A-1TQG144M
✅ 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 →A54SX32-TQG144 最大額定值與電氣特性
| System Gates | 48000 gates |
| Logic Modules | 2880 |
| User I/O | 113 |
| Family | Actel SX (antifuse FPGA) |
| 供應電壓 | 3.3 V |
| Supply Voltage Range | 3.0 V to 3.6 V |
| Program Type | One-Time Programmable (antifuse) |
| Architecture | Sea-of-modules |
| 封裝 | 144-LQFP (TQFP) |
| 安裝類型 | Surface Mount |
| Configuration Memory | None required (non-volatile antifuse) |
| Maximum User I/O Count | 113 |
| RoHS 狀態 | unknown |
| Maturity | Mature / Not recommended for new designs |
A54SX32-TQG144 144-lqfp (tqfp) 腳位配置指南
A54SX32-TQG144（144-lqfp (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： A54SX32-TQG144.
請參閱 資料表 以查看完整腳位配置。
典型應用
A54SX32-TQG144 適用於 6 應用s: High-Speed Glue Logic Integration, Defense and Aerospace Electronics, Telecom Line-Card Control, Industrial Control and Automation, Test and Measurement Instrumentation, Coprocessor and Algorithm Acceleration.
High-Speed Glue Logic Integration
The A54SX32-TQG144 fits bus-bridging and glue-logic consolidation because its antifuse fabric provides gate-level routing delays far below SRAM FPGA segmented interconnect. The 48K-gate capacity and 113 user I/O let engineers replace dozens of 74-series devices with a single 144-TQFP chip, cutting board area and power. Because configuration is hard-wired, the logic is active within nanoseconds of power application - an advantage over configuration-loading SRAM FPGAs in systems with tight reset timing. Designers should reserve routing headroom for late changes since the device is one-time programmable.
推薦
Defense and Aerospace Electronics
Antifuse FPGAs like the A54SX32-TQG144 are a classic choice for defense systems because the programmed configuration cannot be read out or disturbed by single-event upsets, and no configuration bit-stream exists to intercept. The instant-on behavior matters in fuze, telemetry, and payload-control circuits that must be functional immediately at power-up. The 3.3V, low-routing-capacitance sea-of-modules fabric supports high clock rates in compact 144-TQFP packaging. Microchip's radiation-tolerant RTAX lines (e.g., RTAX2000S) extend this philosophy for higher-assurance programs.
推薦
Telecom Line-Card Control
Telecom line cards need deterministic, low-latency control logic for framing, alarm aggregation, and backplane handshaking - tasks where the A54SX32-TQG144's 48K gates and 113 I/O map naturally. The antifuse architecture eliminates configuration time at hot-swap events, and its low dynamic power reduces thermal load in high-density shelves. The 3.0V-3.6V supply range tolerates backplane 3.3V rail tolerance. Legacy central-office equipment sustaining programs rely on this exact device class; verify remaining stock before scheduling board respins.
推薦
Industrial Control and Automation
In industrial controllers, the A54SX32-TQG144 consolidates state machines, encoders/decoders, and interface logic that previously occupied multiple PAL/GAL devices. Instant-on operation means the control plane is live before any processor boots, improving safety and watchdog behavior. The 3.3V TQFP-144 device withstands the 3.0V-3.6V industrial supply variation, and one-time programmability prevents field tampering of control logic. Because the SX family is EOL, new industrial designs should consider pin-compatible SX-A stock or modern Microchip FPGA families while existing systems sustain on remaining inventory.
推薦
Test and Measurement Instrumentation
Test instruments use high-speed sequencing, trigger, and timing-generation logic where deterministic sub-ns delays matter; the A54SX32-TQG144's antifuse fabric delivers that determinism because routing is fixed at programming time. The 48K-gate capacity hosts counters, trigger comparators, and bus interfaces around a 113-I/O perimeter for probe and display connections. Permanent configuration also ensures instruments behave identically unit-to-unit - valuable for calibration traceability. Estimate timing margins with the manufacturer timing model before fixing the design, since no post-programming changes are possible.
推薦
Coprocessor and Algorithm Acceleration
Embedded systems offload compute-intensive fixed-function kernels - CRC engines, filters, address generators - to the A54SX32-TQG144, whose gate-level paths outperform contemporary SRAM FPGAs of similar gate count. The device runs entirely from a 3.3V rail with low quiescent overhead, suiting embedded boards without dedicated power sequencing. As a coprocessor beside a microcontroller such as the MSP430FR5994, it handles the high-rate datapath while firmware manages configuration-independent supervisory tasks. Reserve I/O and logic headroom because the antifuse fabric cannot be reprogrammed in the field.
推薦
推薦產品摘要
工程參考資料，適用於 A54SX32-TQG144 — 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 | A54SX32-1TQG144 | A54SX32-2TQG144I | A54SX32A-TQG144M | A54SX32A-1TQG144M |
|---|---|---|---|---|---|
| Package | 144-LQFP (TQFP) | 144-LQFP (TQFP) - same | 144-LQFP (TQFP) - same | 144-LQFP (TQFP) - same | 144-LQFP (TQFP) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 48000 | 48000 | 48000 | 32000 (SX-A class) | 32000 (SX-A class) |
| Logic Modules / Cells | 2880 | 2880 | 2880 | 1800 cells | 1800 cells |
| Supply Voltage | 3.3 V (3.0-3.6 V) | 3.3 V | 3.3 V | 2.5 V class | 2.5 V class |
| Speed Grade | Standard (commercial) | -1 | -2 (faster) | standard SX-A | -1 |
| Temperature Range | Commercial | Commercial | Industrial | Commercial | Commercial |
| Family / Lifecycle | SX - EOL | SX - EOL | SX - EOL | SX-A - mature | SX-A - mature |
主要差異化特點
- Highest-speed logic fabric among SX/TQFP-144 same-footprint options (對比A54SX32A-1TQG144M)
- Industrial temperature availability in the same footprint (對比A54SX32-1TQG144)
- No configuration device required (對比A54SX32A-TQG144M)
- Honest trade-off: EOL status raises sourcing risk (對比A54SX32-2TQG144I)
設計說明
The A54SX32-TQG144 is one-time programmable. Once the antifuse array is programmed, the device cannot be erased or updated - there is no field upgrade path. Complete full functional simulation, timing closure with the manufacturer's timing-driven place-and-route (Designer software) reports, and hardware prototype verification on an engineering device before programming production units. Always reserve 15-20% spare logic and I/O capacity for late engineering changes, because a design revision on a programmed part requires a new device.
Power the device from a 3.3V rail held within the 3.0V to 3.6V range. Estimated: dynamic power in antifuse FPGAs scales with f * C * V^2, and the low routing capacitance of the sea-of-modules fabric keeps C small, but decouple each VCC/GND pair with 0.1uF ceramics placed within 2 mm of the package pins, plus bulk 10uF per supply rail. Because the part is instant-on, ensure the supply rail is clean at first power application - the logic is active before processors release reset.
The 144-LQFP (0.5 mm lead pitch typical for this package family) requires a fine-pitch QFP land pattern per the datasheet package drawing; verify the exact body and pitch dimensions against the package section of the 54SX datasheet before generating the footprint. Keep high-speed I/O routed short with controlled impedance where buses exceed roughly 50 MHz, and distribute ground vias around the package perimeter for return-current paths. Program pins must be wired per the datasheet programming circuit.
Migration between the SX and SX-A families on the same TQFP-144 footprint is footprint-compatible but NOT electrically identical: SX-A uses a 0.25um process with different DC/AC parameters and 2.5V-class characteristics per FindIC data. Re-run timing analysis with the destination family's library, re-check I/O standards and voltage tolerance, and re-verify power budgets before any substitution in an existing PCB assembly.
合規資訊
Compliance data was not present in the retrieved web data for this EOL part. The SX family predates modern lead-free conversion in some speed/package combos; request compliance certificates from the distributor at order time.