A54SX08-2TQG144 - 8K Gate SX FPGA 144-TQFP | Microsemi
料号： A54SX08-2TQG144 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $28.5 | $28.50 |
| 10 | $25.65 | $256.50 |
| 100 | $22.8 | $2,280.00 |
| 500 | $19.95 | $9,975.00 |
| 1,000 | $17.1 | $17,100.00 |
A54SX08-2TQG144 概述
An FPGA (Field Programmable Gate Array) is a semiconductor device containing an array of programmable logic blocks and reconfigurable interconnects that the designer wires together after manufacturing. Within the programmable logic hierarchy, the SX family sits under Actel/Microsemi antifuse FPGAs, one-time programmable (OTP) devices that sit alongside FPGA -> programmable logic -> digital IC in the component taxonomy.
Key features include one-time-programmable antifuse architecture with live-at-power-up operation and no configuration PROM, 768 logic array blocks (LABs), pin-to-pin family scalability, and a matte-tin lead finish. Antifuse programming also improves immunity to configuration corruption, a key reliability advantage over SRAM FPGAs in harsh environments.
Architecturally, the SX family uses a sea-of-modules grid with combinational and sequential logic cells connected through segmented antifuse routing. The 0.35 um process yields predictable timing; the -2 grade provides the fastest commercial speed bin, and the 5V-tolerant I/O simplifies interfacing to legacy 5V TTL systems.
Typical applications include industrial control glue logic, bus interface bridging, communications and networking line cards, and aerospace/defense designs needing OTP configuration. The 144-TQFP balances I/O count and board area for mid-density designs.
Design consideration: antifuse devices are OTP, so reserve spare logic and I/O in your design and fully validate the netlist before programming, since a programming error cannot be corrected in-circuit.
This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet.
直接替换替代料： A54SX08-2TQG144 ——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： A54SX08-2TQG144 （相同外形与封装尺寸） ——差异在于 Package, System Gates, Family, Operating Temperature, Process Technology.
快速对比工具——选择替代料号进行并排对比：
A54SX08-TQG144I
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
联系询价
查看数据手册 →A54SX08-1TQG144
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$31 / 个
查看数据手册 →A54SX16P-1TQG144
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
联系询价
查看数据手册 →A54SX16P-2TQG144
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$48.9 / 个
查看数据手册 →A54SX16P-2TQG144I
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$26.1 / 个
查看数据手册 →A54SX32-TQG144
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$1387.71 / 个
查看数据手册 →A54SX32-1TQG144
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$48.1 / 个
查看数据手册 →A54SX08-2TQG144 最大额定值与电气特性
| Series | SX (A54SX08) |
| System Gates | 8000 (approx. 12000 estimated) |
| Logic Cells | 512 |
| Logic Array Blocks (LABs/CLBs) | 768 |
| User I/O | 113 |
| Maximum Toggle Frequency | 320 MHz |
| Speed Grade | -2 |
| Process Technology | 0.35 um antifuse CMOS |
| 电源电压 | 3 V to 3.6 V; 4.75 V to 5.25 V |
| I/O Voltage | 3.3 V / 5 V |
| 封装 | 144-LQFP / TQFP (20x20 mm) |
| 安装类型 | Surface Mount |
| Package Height | 1.4 mm |
| Lead Finish | Matte Tin |
| Programmable Type | One-Time Programmable (antifuse) |
A54SX08-2TQG144 1.4 mm 引脚配置指南
A54SX08-2TQG144（1.4 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： A54SX08-2TQG144.
请参阅 数据手册 以查看完整引脚配置。
典型应用
A54SX08-2TQG144 适用于 6 应用s: Industrial Control Glue Logic, Communications Line Card Logic, Aerospace and Defense Board Logic, Bus Interface Bridging, Test and Measurement Fixtures, Legacy System Sustainment and Obsolescence Redesign.
Industrial Control Glue Logic
The A54SX08-2TQG144 consolidates address decoders, bus transceivers, state machines, and interrupt controllers that would otherwise occupy multiple 74-series devices. Its 8K gates and 512 cells absorb typical PLC I/O-module logic, while 113 user I/O with 5V-tolerant 3.3V/5V operation interfaces directly with legacy industrial TTL-level sensors and actuators. Because the antifuse fabric is live at power-up, control outputs are valid within nanoseconds of supply ramp, eliminating the configuration window of SRAM FPGAs that can glitch machinery during brownouts. In a typical build, the SX08 replaces 15-20 SSI/MSI chips, cutting board area and improving mean time between failures.
推荐
Communications Line Card Logic
In telecom and networking line cards, the A54SX08-2TQG144 handles framing, multiplexing, and backplane interface logic at line rates supported by its 320 MHz toggle capability in the -2 speed grade. The antifuse architecture provides deterministic, fixed routing delays that simplify setup-and-hold timing closure against backplane clock domains - a meaningful advantage over SRAM FPGA routing that varies with each place-and-route run. Matte-tin TQFP leads meet modern assembly requirements, and the 5V-tolerant I/O bank bridges older 5V backplane signaling with 3.3V PHY devices on the same board without level shifters.
推荐
Aerospace and Defense Board Logic
The Actel/Microsemi antifuse FPGA lineage - which includes the SX family - is widely trusted in defense and aerospace designs because one-time-programmable configuration cannot be flipped by radiation-induced configuration upsets and needs no external configuration PROM that could fail or be corrupted. The A54SX08-2TQG144 implements telemetry encoding, command decoders, and sensor interfaces with live-at-power-up outputs required for fail-safe system behavior. For programs needing upgraded density in the same 144-TQFP land pattern, the SX16P and SX32 family members provide a migration path without PCB respin, protecting qualified-board investments over long program lifetimes.
推荐
Bus Interface Bridging
The A54SX08-2TQG144 excels as a protocol and bus bridge, translating between legacy 5V TTL buses (VME, ISA, parallel backplanes) and modern 3.3V microcontrollers or PCIe-adjacent logic, exploiting its dual 3.0-3.6V and 4.75-5.25V supply operation. The 113 user I/O provide enough pins to map wide parallel buses on one side while reserving a local register interface on the other. The -2 grade's 320 MHz capability gives generous timing margin for wait-state generation and bus arbitration at classic 8-33 MHz bus clocks, and the antifuse fabric's fixed delays make bus propagation delay calculations predictable for multi-drop timing analysis.
推荐
Test and Measurement Fixtures
Prototype and production test fixtures use the A54SX08-2TQG144 as a reconfigurable-at-design-time signal routing and stimulus engine. Engineers implement multiplexers, pattern generators, and pass/fail comparators within the 512-cell fabric, and the fixed antifuse routing delivers channel-to-channel skew consistency important for parametric measurements. The 144-TQFP's 0.5 mm lead pitch solders reliably on standard fixture PCBs, and 5V-tolerant I/O connects directly to instrument ECL/TTL threshold boards. Because the design is OTP, released test-station firmware is bit-identical across every unit, supporting ISO-style process repeatability where software-configurable fabrics would need checksum management.
推荐
Legacy System Sustainment and Obsolescence Redesign
When a discontinued CPLD, PAL, or gate array must be replaced in an installed product, the A54SX08-2TQG144 is a frequent landing target: 8K gates absorb large PAL/GAL aggregates, the 5V-tolerant I/O matches original 1990s-era signaling, and the antifuse fabric is programmed once to replicate the legacy fuse map. The 144-TQFP footprint drops onto commonly available adapter boards for through-hole retrofits. Microchip's continued support of the SX family for the installed base, plus multiple stocking distributors, makes it a safer long-term sustainment choice than gray-market legacy devices, and the SX16P/SX32 same-package siblings provide headroom if the redesign accumulates additional features.
推荐
推荐产品汇总
工程参考数据： A54SX08-2TQG144 ——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 | A54SX08-TQG144I | A54SX08-1TQG144 | A54SX16P-2TQG144 | A54SX32-1TQG144 |
|---|---|---|---|---|---|
| Package | 144-TQFP (20x20 mm) | 144-TQFP (20x20 mm) - same | 144-TQFP (20x20 mm) - same | 144-TQFP (20x20 mm) - same | 144-TQFP (20x20 mm) - same |
| Brand | Microsemi (Microchip) | Microsemi (Microchip) | Microsemi (Microchip) | Microsemi (Microchip) | Microsemi (Microchip) |
| System Gates | 8K | 8K | 8K | 16K | 32K |
| Temperature Grade | Commercial | Industrial (-I) | Commercial | Commercial | 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 | 3V-3.6V; 4.75V-5.25V |
关键差异点
- Fastest speed grade in the SX08 TQ144 family （对比 A54SX08-1TQG144)
- Live-at-power-up OTP fabric vs SRAM reconfiguration delay （对比 A54SX16P-2TQG144)
- Commercial-grade pricing advantage （对比 A54SX08-TQG144I)
设计说明
The A54SX08-2TQG144 uses dual supply domains: 3.0-3.6V for core/3.3V I/O and 4.75-5.25V for the 5V-tolerant I/O bank. Decouple every supply pin pair with 0.1uF ceramic capacitors placed within 5 mm of the pin, plus one bulk 10uF capacitor per rail per corner of the package. Power the 3.3V rail first or ensure simultaneous ramp per the SX family power-up specification to avoid latch-up during sequencing. Antifuse static current is very low compared to SRAM FPGAs, so thermal design is rarely a concern at this gate count.
This device is one-time programmable: once the antifuse fabric is programmed, the design cannot be erased or corrected. Reserve 15-20% of cells and I/O for late ECOs, fully simulate with back-annotated delays, and validate the programming file on an engineering-lot device before committing production units. Also confirm the speed-grade suffix (-1 vs -2) matches your timing constraints - a -1 device will not meet timing closed with -2 models.
The 144-TQFP (20x20 mm) has 0.5 mm lead pitch with a 1.4 mm body height. Use 0.2 mm stencil apertures reduced 10% for the fine-pitch lands to prevent solder bridging, and route breakout traces at 0.125 mm width/spacing with via fan-out on a 0.8 mm grid. Keep clock lines length-matched on outer layers and avoid routing under the package center where the silicon die sits - this area also suits a small ground plane pour for return paths.
合规信息
Verified web data indicates a matte tin lead finish for the TQG suffix variant; formal RoHS/REACH certificates were not present in the retrieved data and should be confirmed with the manufacturer certificate of conformance.
