A54SX08-1PQG208 - 8K Gate SX FPGA, 280MHz, PQFP-208 | Microsemi
料号： A54SX08-1PQG208 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
A54SX08-1PQG208 概述
An antifuse FPGA is a one-time-programmable (OTP) programmable logic device whose interconnects are permanently formed during programming. Unlike SRAM-based FPGAs from the broader voltage-regulator-to-power-management hierarchy of programmable semiconductors, antifuse devices retain their configuration through power cycles without any external configuration memory, offering inherent resistance to configuration corruption, lower static power, and very low design-security risk.
Key features of the A54SX08 include the Actel sea-of-modules architecture built on a 0.35um CMOS process, 512 logic cells organized in logic modules, a maximum toggle/system frequency of 280 MHz, and 130 programmable I/O pins. The dual 3.3V/5V supply architecture allows interface with legacy 5V systems while running core logic at 3.3V, a significant advantage in industrial retrofit and mixed-voltage applications.
Technically, the SX family uses a high-performance logic module (LM) array rather than a lookup-table fabric, which gives predictable, deterministic timing per module - closer to a masked gate array in behavior. Routing delay is minimized by the sea-of-modules structure, and the antifuse interconnect adds negligible capacitive loading compared with pass-transistor switch fabrics, supporting the family's 280 MHz ceiling.
Typical applications include industrial control and automation glue logic, 5V legacy system interface and bus bridging, military/aerospace heritage board respins where OTP configuration security matters, and high-reliability single-event-latchup-resistant designs in harsh environments.
When designing with this part, remember it is one-time programmable: lock your HDL design, verify it in the Libero/Designer toolchain, and order programmed devices from Microchip's programming service or use a compatible programmer - there is no in-circuit reconfiguration.
This page synthesizes verified distributor data (DigiKey, Mouser, Octopart), drop-in alternatives, and practical design notes not found in the manufacturer datasheet. Pricing references are as of 2026-09-03.
直接替换替代料： A54SX08-1PQG208 ——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： A54SX08-1PQG208 （相同外形与封装尺寸） ——差异在于 Package, Family, Operating Temperature, System Gates, User I/O.
快速对比工具——选择替代料号进行并排对比：
A54SX08-2PQG208
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$46.8 / 个
查看数据手册 →A54SX32-1PQG208
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$37.7 / 个
查看数据手册 →A54SX32-1PQG208I
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$44.9 / 个
查看数据手册 →A54SX32-2PQG208
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$45.4 / 个
查看数据手册 →A54SX32-PQG208I
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$362.79 / 个
查看数据手册 →A54SX16P-PQG208
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$47.95 / 个
查看数据手册 →A54SX08-1PQG208 最大额定值与电气特性
| Family | Actel SX (54SX) |
| Logic Gates | 8,000 equivalent gates |
| Logic Cells | 512 cells |
| Logic Array Blocks | 768 LABs / CLBs |
| Maximum System Frequency | 280 MHz |
| User I/O | 130 I/O |
| Core Supply Voltage | 3.3 V (3.0 V to 3.6 V) |
| I/O Supply Voltage | 5 V (4.75 V to 5.25 V) / 3.3 V |
| Technology | 0.35 um CMOS, antifuse OTP |
| Programmability | One-Time Programmable (antifuse) |
| 封装 | 208-BFQFP / PQFP-208, 0.5 mm lead pitch |
| 安装类型 | Surface Mount |
| 工作温度 | 0C to +70C (commercial grade) |
| Speed Grade | -1 |
| Configuration Storage | Non-volatile (no external boot memory) |
A54SX08-1PQG208 208-bfqfp / pqfp-208, 0.5 mm lead pitch 引脚配置指南
A54SX08-1PQG208（208-bfqfp / pqfp-208, 0.5 mm lead pitch 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： A54SX08-1PQG208.
请参阅 数据手册 以查看完整引脚配置。
典型应用
A54SX08-1PQG208 适用于 6 应用s: Industrial Control and Automation Glue Logic, 5V Legacy System Interface and Bus Bridging, High-Reliability and Aerospace Heritage Boards, Communications and Networking Line-Card Logic, Test and Measurement Instrument Interconnect, Security-Sensitive Fixed-Function Logic.
Industrial Control and Automation Glue Logic
The A54SX08-1PQG208 fits industrial control boards that need deterministic, non-volatile logic between microcontrollers, PLC I/O modules, and field buses. Its 512 logic cells and 130 user I/O absorb address decoding, interrupt merging, handshake generation, and bus arbitration that would otherwise require many discrete devices. The antifuse fabric is configuration-immune: after power loss the FPGA resumes operation with no boot flash and no configuration corruption risk from industrial power transients. Because the device supports a 3.3V core with 5V I/O supply (4.75-5.25V), it connects directly to legacy 5V TTL-level sensors and backplane signals common on factory floors. The 280 MHz family timing ceiling far exceeds the sub-100 MHz clock rates typical of industrial controllers, leaving generous timing margin across -1 speed-grade routing. Design the I/O constraints once in the Libero/Designer flow and the resulting programmed part behaves like a fixed gate array.
推荐
5V Legacy System Interface and Bus Bridging
Many retrofit programs must connect modern 3.3V electronics to 5V TTL backplanes, VME-style boards, or legacy test equipment. The A54SX08-1PQG208 is one of the few active FPGAs offering native 5V I/O operation, with the I/O rail specified at 4.75V to 5.25V and the core at 3.3V per the SX family datasheet. This eliminates level-shifter networks that would otherwise add propagation delay and board area across 130 channels. Use the 512 logic cells for bus width conversion, parity generation, byte swapping, and handshake translation between 5V and 3.3V domains. The antifuse, one-time-programmable nature suits long-life fielded equipment where firmware updates are impractical and configuration integrity over decades matters. Verify 5V drive strength in the datasheet I/O tables and budget the 0.5 mm pitch PQFP land pattern against your existing board's routing density before committing the footprint.
推荐
High-Reliability and Aerospace Heritage Boards
The Actel SX antifuse family has a long heritage in high-reliability and aerospace programs because OTP antifuse configuration cannot be flipped by single-event upsets in the configuration memory - there is no configuration memory to corrupt. The A54SX08-1PQG208 suits fixed-function mission logic, telemetry encoders, and decoder glue logic on heritage boards being re-spun. Its sea-of-modules architecture gives deterministic per-module timing that simplifies worst-case timing sign-off required in safety reviews, and the absence of an external configuration device removes a common single point of failure. For extended-temperature environments, pair this commercial 0C to +70C part selection process with the -I industrial variants of the family listed on this site. Note that radiation-tolerant derivatives such as the RTAX family exist in Microchip's lineup when program requirements exceed commercial antifuse qualification.
推荐
Communications and Networking Line-Card Logic
Line cards and communication adapters frequently need fast fixed-function logic for framing, CRC checking, address filtering, and clock-domain bridging. The A54SX08-1PQG208's 280 MHz maximum frequency and low-capacitance antifuse interconnect give predictable propagation per logic module, which matters for pipeline stages operating at 100 MHz-class line rates. The 130 I/O in the 208-pin PQFP provide enough parallel interface width for 32/64-bit data buses plus control and status signals in a 0.5 mm pitch surface-mount footprint. Because configuration is one-time-programmable, deployed cards cannot be reconfigured maliciously - a security plus for infrastructure equipment. Design caution: the -1 speed grade is the slowest bin, so close timing on your critical pipeline path in the Designer static timing report before release, and consider A54SX08-2PQG208 if your compiled design shows negative slack.
推荐
Test and Measurement Instrument Interconnect
Bench instruments, rack-based acquisition systems, and custom testers rely on FPGA fabric for trigger generation, timing-strobe distribution, and scan-chain control. The A54SX08-1PQG208 provides 512 deterministic logic cells with the SX family's 280 MHz timing ceiling, ample for trigger state machines and time-stamp counters that must not exhibit configuration-dependent jitter. The 130 I/O support wide parallel probe interfaces, and the 5V-compatible I/O supply lets the FPGA speak directly to legacy instrument buses at TTL levels. Non-volatile antifuse configuration means the tester is functional the instant power is applied - no boot sequencing, which shortens test-cycle start-up compared with SRAM FPGAs that need configuration loading. Place the PQFP with short, length-matched traces to timing-critical I/O and follow the datasheet decoupling guidance to keep supply bounce within budget on simultaneous-switching outputs.
推荐
Security-Sensitive Fixed-Function Logic
Applications with design-confidentiality requirements - payment terminals, licensed media devices, proprietary controllers - benefit from antifuse FPGAs because there is no bitstream to extract: the configuration physically exists as programmed antifuse links. The A54SX08-1PQG208's 8K gates accommodate encryption wrappers, key-handling state machines, and access-control decode logic whose structure must remain opaque. Unlike flash or SRAM devices, no readback mechanism exposes the design, and power-up behavior is immediate with no vulnerable configuration-load window during which an attacker could force alternate content. Implement critical functions with redundant routing within the 512 cells and verify the compiled netlist in the Microchip Designer flow. For deployments needing more logic or harsher temperature ranges, the same-package A54SX32-1PQG208I listed on this site keeps the footprint while raising capacity and extending rating to -40C to +85C.
推荐
推荐产品汇总
工程参考数据： A54SX08-1PQG208 ——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 | A54SX08-2PQG208 | A54SX32-1PQG208 | A54SX32-1PQG208I | A54SX16P-PQG208 |
|---|---|---|---|---|---|
| Package | 208-BFQFP (PQG208) | 208-BFQFP (PQG208) - same | 208-BFQFP (PQG208) - same | 208-BFQFP (PQG208) - same | 208-BFQFP (PQG208) - same |
| Brand | Microsemi Corporation (Microchip) | Microsemi Corporation (Microchip) | Microsemi Corporation (Microchip) | Microsemi Corporation (Microchip) | Microsemi Corporation (Microchip) |
| Logic Gates | 8,000 | 8,000 | ~30,000 | ~30,000 | ~16,000 |
| Operating Temperature | 0C to +70C | 0C to +70C | 0C to +70C | -40C to +85C (industrial) | 0C to +70C |
| Supply Voltage | 3.3V core / 5V or 3.3V I/O | 3.3V core / 5V or 3.3V I/O | 3.3V core / 5V or 3.3V I/O | 3.3V core / 5V or 3.3V I/O | 3.3V core / 5V or 3.3V I/O |
| Recompilation Needed for Substitution | N/A | Timing re-verify only (same die) | Yes - full recompile and pin review | Yes - full recompile and pin review | Yes - full recompile and pin review |
关键差异点
- Identical die, faster timing available （对比 A54SX08-2PQG208)
- Density upgrade without board respin （对比 A54SX32-1PQG208)
- Extended temperature for harsh environments （对比 A54SX32-1PQG208I)
- Non-volatile OTP configuration security （对比 SRAM FPGAs (Xilinx/Intel))
设计说明
The A54SX08 is one-time-programmable. Never release a programming file before completing simulation and static timing closure in the Microchip Designer/Libero flow; a mistake cannot be patched. For prototypes, order blank devices and program in-house, or use a socketed PQFP to protect against rework costs. Also verify your Libero/Designer release still supports the legacy SX family before starting a new design.
The 208-lead PQFP has a 0.500 mm lead pitch - inspect solder joints with X-ray or AOI since fine-pitch QFP bridging is a common assembly defect. Keep a solid ground plane under the device, place 0.1uF decoupling capacitors within 2-3 mm of each supply pin pair, and match trace lengths for timing-critical parallel buses. Confirm land pattern against the Microchip SX datasheet package drawing before layout release.
The dual-supply architecture needs correct power sequencing discussion: power the I/O rail (5V or 3.3V) and core (3.0-3.6V) per the SX family datasheet power-up recommendations to avoid latch-up through the I/O structures. Budget current for simultaneous-switching outputs - with 130 I/O, ground bounce can corrupt margins; limit the number of outputs switching in the same nanosecond window in the Designer I/O timing report.
合规信息
Compliance status was not stated in the verified web data. Actel-era PQFP parts exist in both tin-lead and lead-free finishes; confirm the exact ordering suffix on the Microchip product page or DigiKey listing (part 2858302) before assuming RoHS status.
