A54SX32A-TQG176I - 32K Gates SX-A FPGA 176-TQFP | Microsemi
料号： A54SX32A-TQG176I ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $62.5 | $62.50 |
| 10 | $56.8 | $568.00 |
| 100 | $51.2 | $5,120.00 |
| 500 | $47.6 | $23,800.00 |
| 1,000 | $43.9 | $43,900.00 |
A54SX32A-TQG176I 概述
An FPGA (Field Programmable Gate Array) is a class of programmable logic IC that lets designers implement custom digital circuits in hardware after manufacturing, sitting in the system hierarchy between fixed-function ASICs and general-purpose processors. The SX-A family uses a sea-of-modules architecture in which the entire die floor is covered by a grid of logic modules with virtually no area lost to routing, combining the density of ASICs with the flexibility of programmable logic.
Key features include 320 MHz internal performance, 3.7 ns pin-to-pin clock-to-output, 0.1 ns input setup time, and 0.25 ns clock skew, enabling single-chip integration of glue logic, bus interfaces, and control functions that previously required multiple devices. The family provides two logic module types: the register cell (R-cell) and the combinatorial cell (C-cell), supporting 100% resource utilization with 100% pin locking.
Architecturally, the sea-of-modules structure simplifies timing closure and dramatically reduces design cost, power consumption, and time to market for performance-intensive applications. The antifuse-based programming of the SX-A family makes it suitable where configuration security and immediate power-up operation matter.
Typical applications include industrial control and automation, communications and networking equipment, 5G-adjacent infrastructure glue logic, and aerospace/defense program replacements for end-of-life logic, where the industrial temperature grade (I suffix) is required.
Design consideration: verify timing at your target speed grade and confirm the 2.25V-5.25V supply planning against the datasheet's thermal and I/O guidelines before locking the 176-pin footprint.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
直接替换替代料： A54SX32A-TQG176I ——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-TQG176I （相同外形与封装尺寸） ——差异在于 Family, System Gates, Process Technology, Operating Temperature, Core Supply Voltage.
快速对比工具——选择替代料号进行并排对比：
A54SX32-TQG176I
✅ 直接替换✓ 有现货
$86.75 / 个
查看数据手册 →A54SX32-TQ176I
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →A54SX32-TQ176
✅ 直接替换✓ 有现货
$42.5 / 个
查看数据手册 →A54SX32-1TQG176
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$43.6 / 个
查看数据手册 →A54SX32-2TQG176I
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$55.1 / 个
查看数据手册 →A54SX32A-TQG176I 最大额定值与电气特性
| Logic Gates | 32000 gates |
| Logic Modules (Cells) | 1800 cells |
| User I/O | 147 |
| Maximum Internal Frequency | 238 MHz |
| Process Technology | 0.25 um |
| 电源电压 | 2.25 V to 5.25 V |
| Core Supply Voltage | 2.5 V |
| 封装 | 176-TQFP (24x24 mm) |
| 安装类型 | Surface Mount |
| Clock-to-Out (Pin-to-Pin) | 3.7 ns |
| Input Set-Up Time | 0.1 ns |
| Clock Skew | 0.25 ns |
| Operating Temperature Grade | Industrial (I suffix) |
| Packaging | Tray |
| Family | SX-A (Actel/Microsemi/Microchip) |
| Architecture | Sea-of-modules (R-cell and C-cell) |
A54SX32A-TQG176I 176-tqfp (24x24 mm) 引脚配置指南
A54SX32A-TQG176I（176-tqfp (24x24 mm) 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-TQG176I.
请参阅 数据手册 以查看完整引脚配置。
典型应用
A54SX32A-TQG176I 适用于 6 应用s: Industrial Control and Automation, Communications and Networking Equipment, Aerospace and Defense Legacy Sustainment, Test and Measurement Instrumentation, Medical Device Control Logic, 5G-Adjacent Infrastructure and Baseband Glue Logic.
Industrial Control and Automation
The A54SX32A-TQG176I fits industrial control and automation systems because its industrial temperature grade (I suffix), 2.25V to 5.25V supply tolerance, and 147 user I/O support direct interfacing with PLC backplanes, motor controllers, and legacy 5V logic. With 32,000 gates and 1800 logic modules, it integrates address decoding, bus bridging, sequencers, and I/O expansion that previously occupied several TTL devices. Placed as the single-chip control fabric between a microprocessor and field I/O, it delivers 3.7 ns pin-to-pin clock-to-out for deterministic response, while its antifuse-based configuration is active at power-up with no boot device, eliminating configuration-time delays that matter in safety-relevant machinery startup sequences.
推荐
Communications and Networking Equipment
In networking and communications equipment, the A54SX32A-TQG176I serves as glue logic between line cards, backplanes, and processors. Its 238 MHz internal performance class, 0.1 ns input setup, and 0.25 ns clock skew support synchronous data-path control at line-card rates, while the 176-TQFP 24x24 mm package suits 3U/6U CompactPCI and similar card-based form factors. The sea-of-modules architecture achieves 100% resource utilization with 100% pin locking, so board respins do not force FPGA pin reassignment. Because the SX-A configuration is non-volatile antifuse, line cards power up functional immediately, simplifying hot-swap bring-up and reducing the need for configuration PROMs in telecom racks.
推荐
Aerospace and Defense Legacy Sustainment
The A54SX32A-TQG176I is widely used to sustain aerospace and defense platforms designed around Actel antifuse FPGAs. Its industrial grade, non-volatile antifuse programming (resistant to configuration upsets and readout), and stable 0.25 um process make it a low-risk choice where redesign qualification is costly. Systems use it for telemetry formatting, bus interface bridging (MIL-STD-1553-adjacent glue logic), and voter/comparator functions. The 32K-gate capacity accommodates moderate control-plane logic while the 147 I/O cover parallel backplanes. Because the device is still procurable through distributors such as DigiKey and Octopart (4 distributors), obsolescence risk for existing programs is reduced compared to fully discontinued actel parts.
推荐
Test and Measurement Instrumentation
Bench and rack instrumentation uses the A54SX32A-TQG176I as the real-time control fabric between acquisition front ends and processing back ends. The 3.7 ns clock-to-out and 0.25 ns clock skew let designers build tight trigger timing and counter/timer channels, while 32,000 gates implement state machines, histogram logic, and interface sequencing. The 5V-tolerant supply range (2.25V-5.25V) simplifies interfacing with legacy instrument buses and discrete front-end circuitry. Because the antifuse fabric does not require configuration loading, instruments are measurement-ready within milliseconds of power-on, an advantage in automated test equipment (ATE) where per-unit setup time multiplies across high-volume production test.
推荐
Medical Device Control Logic
Medical diagnostic and monitoring equipment benefits from the A54SX32A-TQG176I as deterministic control logic between sensors, display drivers, and communication interfaces. The industrial temperature tolerance covers typical clinical environments, and the fixed antifuse configuration guarantees identical logic behavior on every power cycle, which supports design verification and regulatory documentation of firmware-independent control paths. With 147 user I/O, one device integrates front-panel switch scanning, LED/lamp control, sensor multiplexing, and host interface handshaking. The 176-TQFP surface-mount package with 0.5 mm class leads supports standard reflow assembly used in medical electronics manufacturing.
推荐
5G-Adjacent Infrastructure and Baseband Glue Logic
In modern 5G-adjacent infrastructure builds, the A54SX32A-TQG176I is used for control-plane glue logic around higher-performance baseband and RF processing chains: clock distribution control, alarm aggregation, JTAG/serial muxing, and power-sequencing supervision. Its 238 MHz performance class exceeds the needs of these slow-control paths, while the antifuse configuration provides immediate-on operation during fast base-station restarts. The 5V-tolerant I/O range eases integration with legacy monitoring circuitry, and the 176-TQFP 24x24 mm footprint fits standard telecom card layouts. Distributor availability (DigiKey, Mouser, 4 sources via Octopart) supports both new builds and field replacement.
推荐
推荐产品汇总
工程参考数据： A54SX32A-TQG176I ——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-TQG176I | A54SX32-TQ176I | A54SX32-TQ176 | A54SX32-1TQG176 | A54SX32-2TQG176I |
|---|---|---|---|---|---|---|
| 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 (Microchip) | Microsemi (Microchip) | Microsemi (Microchip) | Microsemi (Microchip) | Microsemi (Microchip) |
| Logic Gates | 32000 | 32000 | 32000 | 32000 | 32000 | 32000 |
| Logic Modules | 1800 | 1800 | 1800 | 1800 | 1800 | 1800 |
| User I/O | 147 | 147 | 147 | 147 | 147 | 147 |
| Supply Voltage | 2.25 V to 5.25 V | 2.25 V to 5.25 V | 2.25 V to 5.25 V | 2.25 V to 5.25 V | 2.25 V to 5.25 V | 2.25 V to 5.25 V |
| Family | SX-A | SX | SX | SX | SX | SX |
关键差异点
- SX-A advanced family performance over original SX （对比 A54SX32-TQG176I)
- Industrial temperature rating （对比 A54SX32-TQ176)
- Cost/performance balance vs faster speed grades （对比 A54SX32-1TQG176)
- Antifuse security and instant-on behavior （对比 SRAM-based FPGAs)
设计说明
The A54SX32A-TQG176I specifies a 2.25V to 5.25V supply range with 2.5V core nominal. Decouple each VCC/VDDA pin pair with at least 0.1 uF ceramic capacitors placed within 5 mm of the pin, plus bulk capacitance per the SX-A family datasheet power recommendations. Because antifuse FPGA current is design-dependent, run the Microchip design software power estimator on your final routed netlist rather than relying on typical values, especially at the 238 MHz performance class.
Estimated: the SX-A family datasheet states that thermal characteristics depend on the device and package, operating temperature, operating current, and the system ability to dissipate heat. The 176-TQFP 24x24 mm package dissipates heat primarily through its leads, so provide solid ground and power planes connected to thermal relief patterns under the package. For industrial-ambient enclosures above 70C, calculate junction temperature as TA plus (power x theta_JA from the datasheet package table) and keep TJ below the absolute maximum rating with margin.
The I suffix device is industrial grade; do not substitute commercial-grade variants (e.g., A54SX32-TQ176) in industrial-temperature designs. Antifuse FPGAs are one-time programmable: lock your pin assignments and verify timing in simulation before programming production parts, since a design error cannot be fixed by reconfiguration. When substituting SX-family parts for SX-A parts, FindIC data notes that some electrical characteristics differ - re-verify setup/hold and clock-to-out timing against your system budget.
With 147 user I/O in a 176-TQFP, heavily loaded buses can exceed the 0.25 ns clock skew budget if I/O standards are mixed carelessly. Keep each clock domain on dedicated clock pins, use series termination (22-33 ohm) on fast edges leaving the package, and match trace lengths for synchronous bus groups. Consult the SX-A family datasheet I/O timing tables for the specific input setup (0.1 ns nominal) and output delay values at your speed grade.
合规信息
RoHS status not stated in the verified distributor listings for this exact MPN; legacy Microsemi SX-A parts exist in both RoHS and non-RoHS builds. Obtain compliance certificates from the distributor before ordering for restricted markets.
