A54SX32A-2TQG100I - 32K Gate FPGA, 81 I/O, TQFP-100 | Microchip
料号： A54SX32A-2TQG100I ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $32.5 | $32.50 |
| 10 | $29.9 | $299.00 |
| 100 | $27.4 | $2,740.00 |
| 500 | $25.1 | $12,550.00 |
| 1,000 | $22.8 | $22,800.00 |
A54SX32A-2TQG100I 概述
A Field Programmable Gate Array (FPGA) is a semiconductor device containing a fabric of configurable logic blocks and programmable interconnects that the designer wires together after manufacturing. Within the programmable-logic hierarchy, the A54SX32A sits in the antifuse, one-time-programmable FPGA class: its connectivity is fixed permanently at programming time, which eliminates configuration PROMs, shortens power-up time, and improves design security compared with SRAM-based FPGAs.
Key features of this device include 32K system gates of SX-A fabric built on a 0.25 um CMOS process, dedicated I/O clusters enabling the 81 user-facing pins, deterministic pin-to-pin delays supporting the -2 speed grade (313 MHz toggle in the SX-A family), and the low 2.25V-to-2.75V core supply requirement noted for the SX-A family. Because the programmed interconnect is non-volatile and inherently one-time programmed, the device resists readback attacks, making it attractive where intellectual-property protection matters.
Architecturally, the SX-A family combines fast carry logic for arithmetic functions with flexible routing that lets designers integrate glue logic, bus interfaces, state machines, and small datapaths that previously required multiple TTL or PLD devices, reducing board area and BOM cost.
Typical applications include industrial control and automation, medical equipment interfaces, communications and networking line cards, and legacy aerospace/defense logic consolidation, where single-chip integration of multiple functions at low cost is the design goal.
A key design consideration is that this is a one-time-programmable device: reserve engineering-change margin in your floorplan, and verify timing at -2 speed grade with Microchip Libero/Designer software before committing to production.
This page synthesizes distributor availability data, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet.
直接替换替代料： A54SX32A-2TQG100I ——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： A54SX32A-2TQG100I （相同外形与封装尺寸） ——差异在于 Package, System Gates, RoHS Status, Family, Operating Temperature.
快速对比工具——选择替代料号进行并排对比：
A54SX32A-2TQG100
✅ 直接替换✓ 有现货
$187.85 / 个
查看数据手册 →A54SX32A-TQG100I
✅ 直接替换📋 参考替代料（不在目录中）
A54SX32A-1TQG100
✅ 直接替换✓ 有现货
$21.75 / 个
查看数据手册 →A54SX32A-TQG100A
✅ 直接替换✓ 有现货
$235 / 个
查看数据手册 →A54SX32A-TQG100A
✅ 直接替换✓ 有现货
$235 / 个
查看数据手册 →A54SX32A-2TQG100I 最大额定值与电气特性
| Family | SX-A |
| System Gates | 32000 gates |
| Logic Cells / Modules | 1800 cells |
| Number of I/O | 81 I/O |
| Maximum Toggle Frequency | 313 MHz |
| Process Technology | 0.25 um CMOS |
| 电源电压 | 2.5 V (2.25 V to 5.25 V operating range per distributor data) |
| Programmable Type | One-Time Programmable (antifuse) |
| Speed Grade | -2 |
| 工作温度 | -40C to +85C (Industrial, I suffix) |
| 封装 | 100-pin TQFP (TQG100) |
| 安装类型 | Surface Mount |
| Packaging | Tray |
| RoHS 状态 | Lead Free (per distributor data) |
| Brand / Manufacturer | Microchip Technology (formerly Microsemi / Actel) |
| Max Logic Modules | 2880 modules |
| Configuration Memory | Non-volatile, no external configuration PROM required |
A54SX32A-2TQG100I 100-pin tqfp (tqg100) 引脚配置指南
A54SX32A-2TQG100I（100-pin tqfp (tqg100) 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： A54SX32A-2TQG100I.
请参阅 数据手册 以查看完整引脚配置。
典型应用
A54SX32A-2TQG100I 适用于 6 应用s: Industrial Control and Automation, Medical Equipment, Communications and Networking Line Cards, Aerospace and Defense Logic, Legacy System Redesign and BOM Consolidation, Test and Measurement Instrumentation.
Industrial Control and Automation
The A54SX32A-2TQG100I fits factory automation logic consolidation where multiple TTL, PAL, and CPLD devices are merged into one 32K-gate, 81-I/O device running on a 2.5V rail. Its industrial -40C to +85C rating survives panel and floor environments, and the antifuse fabric powers up instantly functional, eliminating FPGA-configuration boot delay in safety-interlocked machinery. Its 313 MHz-class toggle capacity at the -2 speed grade covers motor-control state machines, encoder decoding, and backplane glue logic with deterministic pin-to-pin timing. Because the programmed interconnect is non-volatile and cannot be read back, proprietary control algorithms remain protected on the production floor. Place 100 nF decoupling per I/O bank and verify 2.5V sequencing per SX-A datasheet recommendations.
推荐
Medical Equipment
Distributor data explicitly lists the A54SX32A-2TQG100I for medical equipment, where its instant-on antifuse fabric, deterministic -2 speed grade timing, and readback-protected configuration suit instrument front-end sequencing, sensor interface glue logic, and display control boards. The industrial -40C to +85C range covers clinical ambient conditions with margin, and 81 user I/O is sufficient for multi-channel patient-interface boards, keypad scanning, and LED/LCD drive logic. Operating from a 2.5V supply at 0.25 um CMOS keeps power low in battery-backed portable diagnostics, and the absence of a configuration PROM removes a boot-time failure mode that matters in devices cycled frequently. Designers should add system-level redundancy since the FPGA itself carries no medical certification.
推荐
Communications and Networking Line Cards
In telecom and datacom line cards, the A54SX32A-2TQG100I consolidates address decoding, bus bridging, and framing glue logic between PHYs, MACs, and backplane connectors. The -2 speed grade's 313 MHz toggle class handles fast clock distribution and synchronization counters, while deterministic antifuse delays simplify timing closure without iterative place-and-route risk typical of SRAM FPGAs. The 81 user I/O support wide parallel buses at 3.3V/2.5V levels per SX-A family I/O standards, and the TQFP-100's 0.5 mm pitch suits dense line-card layouts with conventional SMT assembly. Because one-time programming fixes the netlist, revision control equals configuration control, an advantage in carrier equipment audit trails.
推荐
Aerospace and Defense Logic
The SX-A family heritage (Microsemi/Actel) centers on defense and aerospace logic consolidation, and the A54SX32A-2TQG100I extends that lineage to COTS boards needing secure, instant-on programmable logic. The antifuse fabric carries no configuration bitstream in external memory, which removes the most common attack and SEU-configuration-corruption surface, and programmed connectivity survives power cycling and vibration without solder-down configuration PROMs. Its -40C to +85C industrial rating suits ground-based and avionic-adjacent COTS environments, while 32K gates integrate interface protocols, telemetry encoders, and bus arbitration. Verify program retention and radiation requirements at system level; this commercial-catalog part is not a radiation-characterized variant.
推荐
Legacy System Redesign and BOM Consolidation
Engineers maintaining legacy racks built from 54SX (pre-A) or discrete PAL/GAL devices use the A54SX32A-2TQG100I as a single-chip consolidation target: 32K gates and 1,800 cells typically replace dozens of PLDs, cutting board area, inventory SKUs, and assembly cost. Microchip's own positioning states SX-A devices generate system-wide savings by integrating multiple functions into a low-cost single-chip solution, combining performance, security, and low power. The TQFP-100 footprint is assembler-friendly, and identical pinout across speed and temperature grades lets one PCB serve multiple build variants by swapping suffixes. Migrating designs requires Libero SoC design entry, timing verification at the -2 grade, and one-time programming before final board test.
推荐
Test and Measurement Instrumentation
Bench instruments and automated test equipment (ATE) fixture boards use the A54SX32A-2TQG100I for timing generators, event counters, and scan-chain control between a host processor and DUT connectors. Deterministic antifuse routing gives repeatable channel-to-channel skew, important when multiple boards must behave identically across a production test floor, and the 313 MHz-class toggle supports fast clock dividers and pulse generators. The 81 I/O reach DUT interfaces directly, the 2.5V core keeps board thermals manageable in enclosed instruments, and instant-on operation means the fixture is ready before the host OS completes boot. Non-volatile configuration also prevents accidental or malicious reprogramming of production test stations.
推荐
推荐产品汇总
工程参考数据： A54SX32A-2TQG100I ——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 | A54SX32A-2TQG100 | A54SX32A-TQG100I | A54SX32A-1TQG100 | A54SX32A-TQG100A |
|---|---|---|---|---|---|
| Package | TQFP-100 (TQG100) | TQFP-100 (TQG100) - same | TQFP-100 (TQG100) - same | TQFP-100 (TQG100) - same | TQFP-100 (TQG100) - same |
| Brand | Microchip Technology (Microsemi/Actel) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 32000 gates | 32000 gates | 32000 gates | 32000 gates | 32000 gates |
| Speed Grade / Toggle Rate | -2 (313 MHz class) | -2 (313 MHz class) | Standard (~238 MHz class) | -1 | Standard |
| User I/O | 81 I/O | 81 I/O | 81 I/O | 81 I/O | 81 I/O |
| Supply Voltage | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V |
| Programming Type | One-Time Programmable (antifuse) | One-Time Programmable (antifuse) | One-Time Programmable (antifuse) | One-Time Programmable (antifuse) | One-Time Programmable (antifuse) |
关键差异点
- Fastest speed grade in the TQG100 package family （对比 A54SX32A-TQG100I)
- Industrial temperature rating （对比 A54SX32A-2TQG100)
- Non-volatile antifuse fabric with no configuration PROM （对比 A54SX32A-1TQG100)
- Trade-off: one-time programmability limits iteration （对比 SRAM-based FPGAs (e.g., Lattice/Xilinx 100-pin parts))
设计说明
Estimated: the SX-A family runs from a nominal 2.5V supply (IC Warehouse lists a 2.25 V to 5.25 V operating window for this catalog entry); verify core-versus-I/O rail separation in the SX-A datasheet before finalizing the power tree. Provide 100 nF ceramic decoupling per I/O power bank plus 10 uF bulk per rail, placed within 5 mm of supply pins. Because antifuse devices draw no configuration current at power-up, inrush is dominated by decoupling capacitor charging - size the regulator soft-start accordingly. Never hot-swap rails on a programmed device without reviewing the SX-A power-up sequence section of the datasheet.
This is a one-time-programmable antifuse FPGA: there is no JTAG reconfiguration and no design iteration after programming. Prototype on socketed devices, exhaustively verify timing at the -2 speed grade in Microchip Libero/Designer, and reserve 10-15% spare routing and I/O margin before burning. A common error is assuming SRAM-FPGA workflows (repeated reprogramming during bring-up) - budget one programmed unit per design iteration. Additionally, do not substitute the commercial-grade A54SX32A-2TQG100 into designs exposed below 0C; the I-suffix industrial grade is required for -40C operation.
The TQFP-100 package has 0.5 mm pitch leads with inductance higher than BGA equivalents; keep the fastest toggle outputs (clock distribution, counters running near the -2 grade limits) on I/O banks with adjacent ground pins and route with controlled impedance. Series-terminate 22-33 ohm resistors on lines longer than roughly one-third of the signal rise-time propagation length to control ringing. Estimated: at 313 MHz-class edges, treat any trace over 30-40 mm as a transmission line on FR-4. Follow SX-A datasheet I/O banking rules so mixed-voltage banks are not over-driven.
Use the JEDEC-standard TQFP-100 footprint from the Microchip SX-A datasheet package appendix without modification; the exposed leadframe needs no thermal pad, but tie all GND pins solidly to a continuous ground plane with short vias. Keep crystal or clock sources within 25 mm of the dedicated clock-input pins and guard them with ground vias. For rework, TQFP-100 leads are accessible for hot-air replacement, making this package preferable to BGAs for low-volume industrial and medical boards where field repair matters.
合规信息
Distributor listings (PCB Electronics Supply Chain: LEAD FREE; IC Warehouse: RoHS status listed) indicate lead-free/RoHS status. REACH, halogen-free, and conflict-minerals declarations not present in verified data - request official Microchip compliance certificate.
