A54SX16P-2TQG144 - 24K Gate SX FPGA, 113 I/O | Microsemi
料号： A54SX16P-2TQG144 ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $68.5 | $68.50 |
| 10 | $63.2 | $632.00 |
| 100 | $57.8 | $5,780.00 |
| 500 | $52.4 | $26,200.00 |
| 1,000 | $48.9 | $48,900.00 |
A54SX16P-2TQG144 概述
An FPGA (Field Programmable Gate Array) is a semiconductor device containing a fabric of configurable logic blocks (CLBs), programmable interconnect, and user-programmable I/O that designers configure after manufacturing. Within the programmable logic hierarchy, the SX family sits among antifuse-based, high-speed, one-time-programmable FPGAs positioned above simple CPLDs and below large scale-of-integration families such as RTAX, making it suited for performance-intensive glueless logic integration.
Key features include the sea-of-modules architecture that simplifies timing-driven design, dual 3.3V/5V supply operation for interfacing with 5V legacy systems, and deterministic antifuse interconnect that delivers predictable routing delays - a significant advantage over SRAM FPGAs where routing delay varies with placement. The 113 available user I/O within the 144-pin TQFP provides a strong I/O-to-logic ratio for bus-intensive designs.
Technically, the SX family uses a 0.35 um antifuse CMOS process whose proprietary metal-to-metal antifuse elements are programmed once at power-up configuration, making the device non-volatile, secure against readback, and immune to configuration-bit upsets - attributes valued in industrial and defense-adjacent systems.
Typical applications include industrial control and automation logic, telecommunications line-card glue logic, 5V-tolerant bus bridging, test and measurement instrumentation, and obsolescence-driven redesigns replacing multiple TTL/PLD devices.
When designing with this device, verify that the 5.25V maximum I/O rail tolerance and one-time-programmable (OTP) workflow fit your production model, since design changes require new devices rather than reconfiguration.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet.
直接替换替代料： A54SX16P-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： A54SX16P-2TQG144 （相同外形与封装尺寸） ——差异在于 Family, Package, System Gates, Operating Temperature, Process Technology.
快速对比工具——选择替代料号进行并排对比：
A54SX16P-2TQG144I
✅ 直接替换✓ 有现货
$26.1 / 个
查看数据手册 →A54SX16P-1TQG144M
✅ 直接替换📋 参考替代料（不在目录中）
A54SX32-2TQG144
✅ 直接替换✓ 有现货
联系询价
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-TQG144
✅ 直接替换✓ 有现货
$1387.71 / 个
查看数据手册 →A54SX08-1TQG144
✅ 直接替换✓ 有现货
$31 / 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 →A54SX16P-2TQG144 最大额定值与电气特性
| Family | SX (Actel/Microsemi SX Series) |
| System Gates | 24000 |
| Typical Gates | 16000 |
| Logic Cells | 924 |
| User I/O | 113 |
| Speed Grade | -2 |
| Maximum System Frequency | 320 MHz |
| Core Supply Voltage | 3 V to 3.6 V |
| I/O Supply Voltage | 4.75 V to 5.25 V |
| Process Technology | 0.35 um CMOS |
| Programming Technology | Antifuse (one-time programmable) |
| 封装 | 144-LQFP (TQFP), 20x20 mm |
| 安装类型 | Surface Mount |
| Supplier Device Package | 144-TQFP (20x20) |
A54SX16P-2TQG144 144-tqfp (20x20) 引脚配置指南
A54SX16P-2TQG144（144-tqfp (20x20) 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： A54SX16P-2TQG144.
请参阅 数据手册 以查看完整引脚配置。
典型应用
A54SX16P-2TQG144 适用于 6 应用s: Industrial Control and Automation, 5V Legacy Bus Bridging, Telecommunications Line-Card Logic, Test and Measurement Instrumentation, Defense and High-Reliability Upgrades, Obsolescence-Driven Redesign.
Industrial Control and Automation
The A54SX16P-2TQG144 fits industrial control and factory automation designs that need deterministic, glueless integration of PLC I/O logic, encoders, and machine-state sequencers. Its 24,000 gates and 924 logic cells consolidate dozens of 74xx and PLD devices into one antifuse FPGA, while 113 user I/O directly interface 5V industrial sensors and actuators via the 4.75V-5.25V I/O rail. Because antifuse configuration is non-volatile and immune to configuration-bit upset, the FPGA is immediately active at power-up with no configuration device - valuable on factory floors with noisy power. Deterministic routing delays simplify meeting fixed-cycle timing budgets in motion-control state machines.
推荐
5V Legacy Bus Bridging
Legacy backplanes, VME-style racks, and older test fixtures still run 5V TTL signaling that modern FPGAs cannot tolerate. The A54SX16P-2TQG144 addresses this directly: its I/O supply is specified at 4.75V to 5.25V, allowing the 113 user I/O to drive and receive full 5V logic levels without level shifters or series resistors. Designers typically map the FPGA between the legacy 5V bus and a modern 3.3V processor section, using the 24,000 gates for bus arbitration, byte-swap glue, and interrupt aggregation. The one-time-programmable nature also prevents accidental reconfiguration of deployed bridge hardware, an advantage over SRAM FPGAs in long-life fielded systems.
推荐
Telecommunications Line-Card Logic
Telecom line cards in legacy CO equipment and transmission systems rely on fast, deterministic glue logic for framing, HDLC-lite aggregation, and backplane interfacing. The A54SX16P-2TQG144's SX architecture supports system speeds up to 320 MHz on a 0.35 um process, sufficient for high-speed counter chains and synchronous state machines, while the antifuse routing gives fixed delays that ease timing closure across board revisions. The dual 3.3V/5V supply matches the mixed-rail reality of telecom shelves: 3.3V core logic plus 5V-legacy backplane signaling. Its 113 user I/O in a compact 20x20 mm TQFP suits high-density card layouts where board area is constrained.
推荐
Test and Measurement Instrumentation
Bench and rack instrumentation frequently needs custom timing generators, event counters, and protocol-aware trigger logic between front-end circuitry and a processor. The A54SX16P-2TQG144 suits these roles with its 320 MHz capability, deterministic antifuse delays, and 113 5V-tolerant I/O that connects directly to legacy instrumentation front ends. Its 24,000-gate capacity comfortably hosts multi-channel trigger state machines and prescaler chains. The non-volatile antifuse configuration means instruments power into a known operational state with zero boot latency - important for instruments that must begin capturing immediately at power-on. Same-footprint SX32 parts provide an upgrade path when instrument features grow.
推荐
Defense and High-Reliability Upgrades
For defense-adjacent and high-reliability programs maintaining fielded hardware, the A54SX16P-2TQG144 and its M-grade sibling A54SX16P-1TQG144M extend the SX antifuse architecture into environments where configuration-upset immunity and readback security are mandatory. Antifuse devices hold their configuration through radiation-induced and power-cycling events that can corrupt SRAM configuration memory, and there is no bitstream to read back or intercept. The 144-TQFP (20x20 mm) package suits board upgrades of existing line-replaceable units, and the same-footprint family (SX08/SX16P/SX32) lets one PCB layout span multiple program variants with only a different programmed device installed.
推荐
Obsolescence-Driven Redesign
When EOL gate arrays, PLDs, or multi-chip TTL logic must be consolidated onto a single available device, the A54SX16P-2TQG144 offers a practical landing zone: still stocked by distributors as of 2026-09-03, with same-package family members (A54SX16P-2TQG144I, A54SX32-2TQG144) providing second sources within one footprint. Its 5V I/O rail absorbs legacy-interface requirements without level translation, while 24,000 gates swallow typical random glue logic, bus arbiters, and decoders from obsolete boards. Designers should perform a last-time-buy assessment early, because the SX family is EOL and long-term supply beyond current distributor stock is broker-dependent.
推荐
推荐产品汇总
工程参考数据： A54SX16P-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 | A54SX16P-2TQG144I | A54SX16P-1TQG144M | A54SX32-2TQG144 | A54SX08-1TQG144 |
|---|---|---|---|---|---|
| Brand | Microsemi | Microsemi | Microsemi | Microsemi | Microsemi |
| Package | 144-LQFP (TQFP, 20x20 mm) | 144-LQFP (TQFP, 20x20 mm) - same | 144-LQFP (TQFP, 20x20 mm) - same | 144-LQFP (TQFP, 20x20 mm) - same | 144-LQFP (TQFP, 20x20 mm) - same |
| System Gates | 24000 | 24000 | 24000 | ~32000 | ~8000 |
| Speed Grade | -2 | -2 | -1 (slower) | -2 | -1 (slower) |
| Temperature Range | Commercial | Industrial | Military grade (M suffix) | Commercial | Commercial |
| Programming Technology | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) |
关键差异点
- Fastest commercial speed grade in the 144-TQFP SX16P family （对比 A54SX16P-1TQG144M)
- Native 5V I/O operation without level shifters （对比 Modern SRAM FPGAs (e.g., Microchip PolarFire/SmartFusion))
- Configuration-upset immunity via antifuse OTP （对比 A54SX16P-2TQG144I (comparison within family))
设计说明
The A54SX16P-2TQG144 requires two supply rails: 3V-3.6V for the core and 4.75V-5.25V for I/O. Sequence or decouple them independently - place 100 nF ceramic capacitors at each supply pin pair plus one bulk 10 uF per rail. In 5V bus designs, ensure the I/O rail never exceeds 5.25V including load transients, since the 0.35 um antifuse I/O structures have no modern overvoltage tolerance headroom. Estimated: at full logic toggle the SX16P core current is on the order of tens of milliamps; size the 3.3V regulator accordingly rather than assuming amp-level loads.
The 144-pin TQFP (20x20 mm) has 0.5 mm pitch leads requiring a well-defined solder stencil; use a 1:1 or slightly reduced aperture with paste at all 144 lands. Provide an exposed copper flood under the package center tied to ground for thermal relief and return paths. Route 5V-tolerant I/O traces with at least 0.2 mm clearance to adjacent 3.3V-domain signals. Keep unused I/O configured as inputs with pull resistors or drive them low in the design to avoid floating inputs on this OTP device - once programmed, I/O behavior is permanently fixed.
The most common SX-family pitfall is treating it like an SRAM FPGA: the antifuse device is one-time programmable, so any logic fix in production requires new physical parts and a reprogramming cycle. Freeze the netlist before ordering programmed production units and budget spares. Second pitfall: configuration programming requires specific programming voltage and socket procedures per the manufacturer programming tools - do not assume JTAG in-system programming. Third: verify the -2 speed grade timing at your operating temperature if moving to the I-grade variant, since derating applies across temperature grades.
合规信息
Compliance status for this EOL Microsemi SX FPGA was not stated in the retrieved web data; verify with Microchip product compliance documentation.
