A54SX32-TQG144 - 48K-Gate Antifuse FPGA, 144-TQFP | Microchip
料号： A54SX32-TQG144 ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $1703.75 | $1,703.75 |
| 10 | $1618.56 | $16,185.60 |
| 100 | $1537.63 | $153,763.00 |
| 500 | $1460.75 | $730,375.00 |
| 1,000 | $1387.71 | $1,387,710.00 |
A54SX32-TQG144 概述
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.
直接替换替代料： A54SX32-TQG144 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： A54SX32-TQG144 （相同外形与封装尺寸） ——差异在于 Package, Family, System Gates, Process Technology, RoHS Status.
快速对比工具——选择替代料号进行并排对比：
A54SX32-1TQG144
✅ 直接替换✓ 有现货
$48.1 / 个
查看数据手册 →A54SX32-2TQG144I
✅ 直接替换✓ 有现货
$45.6 / 个
查看数据手册 →A54SX32-TQG144I
✅ 直接替换✓ 有现货
$32.3 / 个
查看数据手册 →A54SX32A-TQG144M
✅ 直接替换📋 参考替代料（不在目录中）
A54SX32A-1TQG144M
✅ 直接替换✓ 有现货
$978 / 个
查看数据手册 →A54SX32A-2TQG144I
✅ 直接替换✓ 有现货
$281.98 / 个
查看数据手册 →A54SX32-TQG144 最大额定值与电气特性
| System Gates | 48000 gates |
| Logic Modules | 2880 |
| User I/O | 113 |
| Family | Actel SX (antifuse FPGA) |
| 电源电压 | 3.3 V |
| Supply Voltage Range | 3.0 V to 3.6 V |
| Program Type | One-Time Programmable (antifuse) |
| Architecture | Sea-of-modules |
| 封装 | 144-LQFP (TQFP) |
| 安装类型 | Surface Mount |
| Configuration Memory | None required (non-volatile antifuse) |
| Maximum User I/O Count | 113 |
| RoHS 状态 | unknown |
| Maturity | Mature / Not recommended for new designs |
A54SX32-TQG144 144-lqfp (tqfp) 引脚配置指南
A54SX32-TQG144（144-lqfp (tqfp) 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： A54SX32-TQG144.
请参阅 数据手册 以查看完整引脚配置。
典型应用
A54SX32-TQG144 适用于 6 应用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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
推荐产品汇总
工程参考数据： A54SX32-TQG144 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | 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 |
关键差异点
- Highest-speed logic fabric among SX/TQFP-144 same-footprint options （对比 A54SX32A-1TQG144M)
- Industrial temperature availability in the same footprint （对比 A54SX32-1TQG144)
- No configuration device required （对比 A54SX32A-TQG144M)
- Honest trade-off: EOL status raises sourcing risk （对比 A54SX32-2TQG144I)
设计说明
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.
合规信息
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.