A54SX32-1TQG176 - 32K Gate FPGA 280MHz TQFP-176 | Microsemi
料号： A54SX32-1TQG176 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $62.5 | $62.50 |
| 10 | $57.3 | $573.00 |
| 100 | $51.9 | $5,190.00 |
| 500 | $47.2 | $23,600.00 |
| 1,000 | $43.6 | $43,600.00 |
A54SX32-1TQG176 概述
A field-programmable gate array (FPGA) is a semiconductor device containing configurable logic blocks (CLBs) and programmable interconnects that engineers configure in the field to implement custom digital logic. Within the programmable logic hierarchy, the FPGA sits above CPLDs and PLDs, and the Actel SX family (now owned by Microchip Technology via Microsemi) belongs to the antifuse one-time-programmable FPGA category, prized for instant-on behavior and configuration security.
Key features of the A54SX32-1TQG176 include the SX sea-of-modules architecture, which delivers high-performance logic density with deterministic routing delays; a maximum toggle/system clock rate of 280 MHz enabled by 0.35 um CMOS process technology; and dual-supply operation that eases integration into both 3.3V and mixed 5V legacy systems. The antifuse program element is non-volatile, requiring no external configuration ROM and providing inherent resistance to bit-stream readback attacks.
Architecturally, the SX family uses a sea-of-modules structure whose dedicated fast carry chains and efficient module granularity suit high-speed datapath and state-machine designs. Design compilation is performed with Actel/Microchip Libero SoC tools targeting the SX device database; timing is deterministic because antifuse interconnect resistance is fixed after programming.
Typical applications include industrial control and automation, communications and networking interface glue logic, aerospace and defense control logic benefiting from antifuse robustness, and test equipment custom logic where instant power-up is mandatory.
Design consideration: verify the -1 speed grade against your worst-case timing requirements, as faster -2 variants of the same die are available if the 280 MHz class performance is marginal.
This page synthesizes distributor pricing, drop-in same-package alternatives, design notes, and FAQ content not consolidated in the manufacturer datasheet.
直接替换替代料： A54SX32-1TQG176 ——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： A54SX32-1TQG176 （相同外形与封装尺寸） ——差异在于 Family, Package, Process Technology, System Gates, Programming Technology.
快速对比工具——选择替代料号进行并排对比：
A54SX32-1TQG176I
✅ 直接替换✓ 有现货
$45.2 / 个
查看数据手册 →A54SX32-2TQG176I
✅ 直接替换✓ 有现货
$55.1 / 个
查看数据手册 →A54SX32-TQG176I
✅ 直接替换✓ 有现货
$86.75 / 个
查看数据手册 →A54SX32-TQG176
✅ 直接替换✓ 有现货
$31.2 / 个
查看数据手册 →A54SX32-1TQ176
✅ 直接替换📋 参考替代料（不在目录中）
A54SX32-1TQG176 最大额定值与电气特性
| Series | SX (Actel SX family) |
| System Gates | 32000 gates |
| Logic Cells / Modules | 1800 cells |
| Configurable Logic Blocks (CLBs) | 2880 |
| 最大时钟频率 | 280 MHz |
| Process Technology | 0.35 um CMOS |
| 电源电压 | 3 V to 3.6 V and 4.75 V to 5.25 V |
| Number of I/Os | 147 |
| 封装 / 外壳 | 176-LQFP (176-TQFP, 24x24 mm) |
| Terminal Pitch | 0.5 mm |
| 安装类型 | Surface Mount |
| Programming Type | Antifuse (one-time programmable) |
| Speed Grade | -1 |
| Packaging | Tray |
| RoHS 状态 | Lead free / RoHS Compliant |
| Propagation Delay | 800 ps |
A54SX32-1TQG176 176-lqfp (176-tqfp, 24x24 mm) 引脚配置指南
A54SX32-1TQG176（176-lqfp (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： A54SX32-1TQG176.
请参阅 数据手册 以查看完整引脚配置。
典型应用
A54SX32-1TQG176 适用于 6 应用s: Industrial Control and Automation, Communications and Networking Logic, Aerospace and Defense Control Logic, Test and Measurement Equipment, Legacy 5V System Retrofit and Integration, Secure Embedded Controllers.
Industrial Control and Automation
The A54SX32-1TQG176 fits industrial control because its antifuse configuration is instantly active at power-up with no external boot PROM, eliminating the boot-failure failure mode critical in factory automation. Its dual supply operation (3V-3.6V core, 4.75V-5.25V I/O) directly interfaces with 5V legacy PLC I/O, sensor lines, and 24V-buffered logic front ends through level-shifting transceivers. The SX sea-of-modules architecture handles deterministic state machines and motor-control sequencing at up to 280 MHz, far exceeding typical industrial logic timing needs of tens of MHz, while the 147 user I/Os consolidate glue logic, counters, and communication interfaces that previously occupied multiple 74-series devices. For extended-temperature deployments, pair with the industrial-graded A54SX32-1TQG176I on the same footprint.
推荐
Communications and Networking Logic
The A54SX32-1TQG176 is well suited to communications backplane glue logic because the SX architecture delivers deterministic interconnect delays, simplifying timing closure on protocol interfaces such as parallel FIFO handshakes, HDLC framers, and address decoders. Its 0.35 um CMOS antifuse process and 280 MHz maximum toggle rate comfortably support 50-100 MHz class bus interfaces, and the 800 ps-class propagation delay keeps critical paths short. The 147 I/Os in the 24x24 mm TQFP allow dense dual-ported register banks and bus bridges between microprocessors and line-card PHYs. Because antifuse interconnect is fixed after programming, signal integrity and timing do not shift over temperature and voltage the way SRAM-routing parts can, an advantage in telecom racks requiring predictable latency.
推荐
Aerospace and Defense Control Logic
The A54SX32-1TQG176 serves aerospace and defense control logic because Actel SX antifuse FPGAs are one-time programmable and non-volatile: configuration cannot be read back, corrupted by radiation-induced configuration upsets typical of SRAM cells, or modified in the field, providing inherent design security. The family was widely qualified into avionics, satellite payload control, and military test equipment for exactly these properties. Its instant-on behavior satisfies power-up requirements where SRAM FPGAs need a boot sequence, and the 32K-gate capacity accommodates telemetry encoders, bus interface state machines, and voter logic. The XAIPART catalog also carries the rad-tolerant RTAX-series parts from the same Microsemi lineage for missions requiring higher reliability grades.
推荐
Test and Measurement Equipment
The A54SX32-1TQG176 fits bench and automated test equipment because antifuse FPGAs power up instantly with functional logic, removing configuration-latency gaps that complicate measurement sequencing at system reset. The SX sea-of-modules architecture provides the deterministic, glitch-free decode needed for counter/timer chains and trigger logic, while the 280 MHz toggle capability and 800 ps-class delays support timing-resolution requirements in the tens-of-nanoseconds range typical of data-acquisition controllers. The dual 3.3V/5V supply operation eases integration with instrument backplanes built on 5V TTL standards, and 147 I/Os drive multi-channel relay matrices, ADC control buses, and front-panel interfaces from a single programmable device, reducing board complexity and part count.
推荐
Legacy 5V System Retrofit and Integration
The A54SX32-1TQG176 is a strong choice for retrofitting or extending 5V-based legacy systems, a task where modern low-voltage FPGAs require level translators on every I/O bank. Its I/O supply range of 4.75V to 5.25V allows direct connection to 5V TTL and CMOS signals, while the 3V-3.6V core rail keeps internal power modest. The 32K-gate SX fabric consolidates obsolete PAL, GAL, and 74-series glue logic into one programmable device, and the antifuse configuration preserves the legacy system's instant-on power-up profile with no firmware boot dependency. Designers compiling in Libero SoC can port legacy ABEL or schematic designs, and the TQFP-176 footprint supports repair-volume board respins without redesigning around unavailable legacy programmable logic.
推荐
Secure Embedded Controllers
The A54SX32-1TQG176 addresses secure embedded controller requirements because antifuse bitstreams cannot be dumped or cloned, unlike SRAM FPGA configurations stored in external flash. IP cores, decryption keys, and authentication state machines programmed into the SX fabric are physically embedded in programmed antifuse switches, giving hardware-level design protection valued in licensing enforcement, pay-TV conditional access, and secure communications terminals. The device's instant-on operation means secure logic is active before external processors boot, enabling early-stage boot verification. With 1,800 cells and 147 I/Os, it implements AES-class state machines, challenge-response controllers, and bus firewalls, while dual-supply operation bridges secure 3.3V cores to legacy 5V peripherals without additional translation silicon.
推荐
推荐产品汇总
工程参考数据： A54SX32-1TQG176 ——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 | A54SX32-1TQG176I | A54SX32-2TQG176I | A54SX32-TQG176I | A54SX32-1TQ176 |
|---|---|---|---|---|---|
| Package | 176-TQFP (24x24 mm) | 176-TQFP (24x24 mm) - same | 176-TQFP (24x24 mm) - same | 176-TQFP (24x24 mm) - same | 176-TQFP - same |
| Brand | Microsemi (Microchip) | Microsemi (Microchip) | Microsemi (Microchip) | Microsemi (Microchip) | Microsemi (Microchip) |
| System Gates | 32000 | 32000 | 32000 | 32000 | 32000 |
| Speed Grade | -1 | -1 | -2 (faster) | standard | -1 |
| Temperature Grade | Commercial | Industrial | Industrial | Industrial | Commercial |
| Supply Voltage | 3V-3.6V, 4.75V-5.25V | 3V-3.6V, 4.75V-5.25V | 3V-3.6V, 4.75V-5.25V | 3V-3.6V, 4.75V-5.25V | 3.3V/5V |
| User I/O | 147 | 147 | 147 | 147 | 147 |
关键差异点
- Lowest-cost speed grade in the SX32 176-TQFP lineup （对比 A54SX32-2TQG176I)
- Commercial temperature grade keeps cost minimal （对比 A54SX32-1TQG176I)
- Dual 3.3V/5V supply operation （对比 A54SX32-1TQ176)
设计说明
The A54SX32-1TQG176 requires two supply rails: 3.0V-3.6V and 4.75V-5.25V per the verified specification data. Decouple each rail with at least 0.1 uF ceramic capacitors at multiple package corners plus a bulk 10 uF capacitor per rail. Antifuse FPGAs draw minimal static current but switching current scales with clock frequency and logic activity; budget dynamic current using Libero timing simulation power estimates. Observe power-rail sequencing guidance in the SX family datasheet before asserting I/O signals.
The 176-TQFP has a 0.5 mm terminal pitch with leads protruding on four sides; design the land pattern per the Microchip 54SX datasheet mechanical drawing (24x24 mm body). Fan out I/O with 0.2 mm trace/space routing from the perimeter, and place series termination resistors close to the package for 5V-logic edges. Because antifuse FPGAs are one-time programmable, reserve test points on programming and JTAG-class diagnostic pins so a misprogrammed unit can be diagnosed before discard.
Antifuse devices cannot be reprogrammed: a design change after programming requires a new device, so fully verify timing at the -1 speed grade over your temperature range in Libero before committing to programming. Do not substitute the commercial-temperature base part into industrial applications - use the A54SX32-1TQG176I or -2TQG176I variants. Also verify the 5V I/O rail stays within 4.75V-5.25V; undervoltage can cause logic errors that cannot be traced after the one-time configuration.
合规信息
xsourcepart.com listing states Lead free / RoHS Compliant. REACH, halogen-free, and conflict-minerals status not stated in provided data.
