A54SX08-1TQG144I - 8K-Gate Antifuse FPGA, 280MHz | Microsemi
料号： A54SX08-1TQG144I ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $78.5 | $78.50 |
| 10 | $72.2 | $722.00 |
| 100 | $66.8 | $6,680.00 |
| 500 | $61.4 | $30,700.00 |
| 1,000 | $57.9 | $57,900.00 |
A54SX08-1TQG144I 概述
An antifuse FPGA is a type of field-programmable gate array whose interconnects are permanently configured by programmable antifuse elements rather than SRAM configuration cells. Within the programmable logic hierarchy (FPGA -> programmable logic device -> semiconductor), antifuse devices occupy the one-time-programmable (OTP) niche, offering non-volatility, immunity to configuration readback, and very low standby power in exchange for a single programming cycle.
Key features of this device include the sea-of-modules Actel SX architecture built on a 0.35 um CMOS process, dual supply operation of 3.3V (3V to 3.6V core) and 5.0V (4.75V to 5.25V) I/O, and the -1 speed grade supporting toggle rates up to 280 MHz. The 113 user I/O pins support both 3.3V and 5V signaling, simplifying integration into legacy 5V industrial systems.
Architecturally, the SX family combines C-cell (combinational) and R-cell (sequential) modules in a fine-grained sea-of-modules array, delivering gate-density efficiency and deterministic routing delays closer to a gate array than a typical SRAM FPGA. Programming is performed post-assembly via the antifuse network, eliminating the need for external configuration memory such as a serial flash, which improves system reliability and reduces board area.
Typical applications include industrial control and automation, glue-logic consolidation in mixed 3.3V/5V systems, aerospace and defense sub-systems requiring non-volatile instant-on logic, and communication equipment backplanes where configuration readback must be impossible for security reasons.
When designing with the A54SX08-1TQG144I, remember the OTP nature: the functional design must be final before programming, so use the Libero/Designer flow with thorough simulation. Power the 5V I/O bank within the 4.75V to 5.25V window to guarantee valid logic levels.
This page synthesizes verified distributor specifications, same-package drop-in alternatives, and practical design notes not found in the manufacturer datasheet, with pricing as of 2026-09-03.
直接替换替代料： A54SX08-1TQG144I ——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： A54SX08-1TQG144I （相同外形与封装尺寸） ——差异在于 System Gates, Process Technology, Package, Operating Temperature, Family.
快速对比工具——选择替代料号进行并排对比：
A54SX08-2TQG144I
✅ 直接替换✓ 有现货
$225.48 / 个
查看数据手册 →A54SX08-1TQG144
✅ 直接替换✓ 有现货
$31 / 个
查看数据手册 →A54SX08-2TQG144
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$17.1 / 个
查看数据手册 →A54SX08-TQG144I
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联系询价
查看数据手册 →A54SX08-1TQG144I 最大额定值与电气特性
| Family | Actel SX (54SX) |
| System Gates | 8000 (12,000 per Microchip USA listing) |
| Logic Cells | 512 |
| Maximum Toggle Frequency | 280 MHz |
| Process Technology | 0.35 um CMOS |
| Core Supply Voltage | 3 V to 3.6 V (3.3 V nominal) |
| I/O Supply Voltage | 4.75 V to 5.25 V (5 V nominal) |
| User I/O | 113 |
| 封装 | 144-TQFP (20x20 mm) |
| 安装类型 | Surface Mount |
| Speed Grade | -1 |
| 工作温度 | -40C to +85C (industrial) |
| Programmability | Antifuse, one-time programmable (OTP) |
| Configuration Memory | Non-volatile (no external boot flash required) |
| Packaging | Tray |
A54SX08-1TQG144I 144-tqfp (20x20 mm) 引脚配置指南
A54SX08-1TQG144I（144-tqfp (20x20 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： A54SX08-1TQG144I.
请参阅 数据手册 以查看完整引脚配置。
典型应用
A54SX08-1TQG144I 适用于 6 应用s: Industrial Control and Automation, Aerospace and Defense Subsystems, Mixed 3.3V/5V System Glue Logic, Telecommunications Backplanes, Secure Embedded Controllers, Instant-On Power and Sequencing Logic.
Industrial Control and Automation
The A54SX08-1TQG144I fits industrial controllers because its 113 user I/O support 5V TTL signaling (4.75V-5.25V I/O rail) directly, interfacing with legacy PLC I/O modules and sensor chains without level shifters. The -40C to +85C industrial rating covers unconditioned factory-floor enclosures, and the antifuse fabric's instant-on, non-volatile configuration removes boot-time delay at power-up - critical in safety interlocks. With 8,000 gates and 280 MHz capability, it consolidates counters, state machines, and glue logic that would otherwise need multiple 74-series devices. Because it is one-time programmable, lock the design after timing closure in the Actel Designer flow; field upgrades require a socketed or reworked part, so validate temperature and supply margins (3V-3.6V core) across the full industrial range before committing.
推荐
Aerospace and Defense Subsystems
Antifuse FPGAs are historically favored in defense electronics because the programmed configuration cannot be read out, and the A54SX08-1TQG144I inherits that property: no external bitstream flash exists to intercept or corrupt. Its instant-on behavior suits power-critical munitions, avionics health monitors, and communications equipment that must be operational within microseconds of power application. The 0.35 um CMOS process offers inherent tolerance to terrestrial radiation effects compared to finer SRAM processes for non-critical orbit missions, though the standard-grade part is not radiation-characterized - use RTAX family parts for true space programs. Within 8,000 usable gates, implement bus interfaces, encoded telemetry framing, or glue logic between processors. Design with generous timing margin using the -1 speed grade limits, and budget the one-time programming as a final, irreversible integration step.
推荐
Mixed 3.3V/5V System Glue Logic
The dual-rail architecture of the A54SX08-1TQG144I - 3.3V core with 5.0V I/O supply - makes it a natural bridge between modern 3.3V processors and legacy 5V TTL backplanes, memory banks, and peripherals. Its 113 I/O can fan out addresses, chip selects, and interrupts bidirectionally without external bus transceivers, cutting board area and propagation delay. At 280 MHz toggle capability, the -1 speed grade easily handles bus arbitration and address decoding in 33 MHz PCI-class or VME-class systems. Because the device is non-volatile, decode logic is active the instant power is applied, avoiding bus contention windows during SRAM-FPGA configuration. Route 5V I/O banks to their dedicated 5V supply pins and verify the 3V-3.6V core rail sequencing per the SX datasheet before programming.
推荐
Telecommunications Backplanes
In telecom line cards and backplanes, the A54SX08-1TQG144I implements framing, alarm collection, and LED/status multiplexing with deterministic, configuration-free startup. The 144-TQFP's 113 I/O absorb dense status and control signals, and the 5V-tolerant I/O rail matches NEBS-era 5V signaling common in installed infrastructure. The antifuse fabric contributes near-zero standby power, an advantage in always-on equipment where SRAM FPGA quiescent configuration current accumulates across hundreds of cards in a central office. At 8,000 gates, the device handles HDLC bit-manipulation helpers, crosspoint control, and clock distribution glue at line rates well within its 280 MHz capability. Because telecom cards operate in controlled 0C to +70C environments, the commercial A54SX08-1TQG144 can be specified to reduce cost while remaining pin-compatible.
推荐
Secure Embedded Controllers
Applications that must resist configuration cloning benefit from the A54SX08-1TQG144I's readback-free antifuse architecture: once programmed, the design exists only as physical antifuse states with no JTAG or serial path to dump the bitstream. Use it for secure key-management glue, authentication front-ends, and tamper-responsive state machines where SRAM FPGAs (whose bitstreams live in external flash) are unacceptable. The industrial temperature grade and 3.3V/5V dual rails allow deployment in payment terminals, access-control panels, and meters that mix legacy and modern voltage domains. Budget 512 logic cells for the security kernel and keep critical timing paths well under the 280 MHz envelope to preserve margins. Note that OTP means security fixes require hardware rework, so prototype exhaustively on the -2 speed-grade variant before committing production parts.
推荐
Instant-On Power and Sequencing Logic
Power-supply controllers and hot-swap managers need logic that is live the instant rails appear - precisely the strength of the A54SX08-1TQG144I's antifuse fabric, which requires no configuration latency. Implement power-good monitoring, reset trees, rail-sequencing state machines, and brown-out latch logic across the 113 I/O, interfacing directly with 5V supervisor outputs. The industrial -40C to +85C rating supports outdoor power plants and telecom rectifier shelves. Standby draw of the antifuse array is minimal, so housekeeping logic does not erode efficiency targets in always-standby systems. Keep sequential paths comfortably below the 280 MHz -1 grade figure since supervisor interfaces run at kilohertz rates anyway; the margin buys immunity to voltage and temperature corners. Verify core (3V-3.6V) rail sequencing against the SX datasheet power-up specification before production programming.
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推荐产品汇总
工程参考数据： A54SX08-1TQG144I ——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 | A54SX08-2TQG144I | A54SX08-1TQG144 | A54SX08-2TQG144 | A54SX08-TQG144I |
|---|---|---|---|---|---|
| Package | 144-TQFP (20x20 mm) | 144-TQFP - same | 144-TQFP - same | 144-TQFP - same | 144-TQFP - same |
| Brand | Microsemi | Microsemi | Microsemi | Microsemi | Microsemi |
| System Gates | 8,000 | 8,000 | 8,000 | 8,000 | 8,000 |
| Logic Cells | 512 | 512 | 512 | 512 | 512 |
| User I/O | 113 | 113 | 113 | 113 | 113 |
| Speed Grade / Toggle Rate | -1, 280 MHz | -2, faster than -1 | -1, 280 MHz | -2, faster than -1 | base, slower than -1 |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C | 0C to +70C (commercial) | 0C to +70C (commercial) | -40C to +85C |
| Supply Voltage | 3V~3.6V core, 4.75V~5.25V I/O | 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
- Industrial temperature grade （对比 A54SX08-1TQG144)
- Higher timing margin available via -2 die speed grade （对比 A54SX08-2TQG144I)
- Readback-free, non-volatile antifuse configuration （对比 Cross-brand SRAM FPGAs (e.g., Xilinx/Altera TQFP-144 parts))
设计说明
The A54SX08-1TQG144I needs two regulated rails: 3.3V core (3V-3.6V) and 5V I/O (4.75V-5.25V). Place 100 nF ceramic decoupling at each supply pin pair plus bulk 10 uF per rail. Consult the SX family datasheet power-up specification for acceptable rail sequencing; a 5V I/O rail applied without core power can forward-bias I/O structures. Estimated: antifuse FPGA static current is small (mA class), so most budget should be allocated to I/O switching current when driving many 5V loads simultaneously.
This is a one-time-programmable device - a programmed error cannot be corrected in-circuit. Complete simulation and static timing analysis in the Actel Designer/Libero flow, verify across temperature (-40C to +85C) and supply corners, and only then program with Silicon Sculptor hardware. Avoid using unknown-programmed broker stock in new designs without erasure verification: antifuse parts cannot be erased, so a part with unknown prior programming must be treated as scrap.
When driving 5V TTL loads from 113 I/O, group simultaneous-switching outputs and return their currents through adjacent ground pins; the 144-TQFP (20x20 mm) has limited ground pins, so assign high-activity outputs near grounded pins in your pinout plan. Keep trace stubs short on bus interfaces to limit ringing at 3.3V-5V swings; series 22-33 ohm resistors are an effective, low-cost damping choice on long backplane runs.
合规信息
Compliance data not present in the provided verified web data. The device predates current RoHS labeling conventions in the retrieved listings; confirm with the manufacturer certificate of conformance for the specific date code.
