A54SX32-CQ208M - 48K-Gate SX FPGA, 174 I/O | Microchip Technology
料号： A54SX32-CQ208M ✓ 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 |
A54SX32-CQ208M 概述
An FPGA (Field-Programmable Gate Array) is a semiconductor device containing a sea of programmable logic blocks and interconnects that designers configure after manufacturing. Within the programmable-logic hierarchy, the SX family sits in the one-time-programmable (OTP) antifuse FPGA category, which contrasts with SRAM-based FPGAs: the antifuse configuration is non-volatile, radiation-tolerant in behavior, and immune to configuration bitstream upsets at power-up, making the technology a predecessor to Microchip's RTAX and ProASIC lines.
Key features include the sea-of-modules architecture that delivers very high routing efficiency and predictable timing, 48K system gates for mid-density integration, 174 programmable I/O for wide bus interfaces, and a ceramic CQFP package suited to harsh environments. The dual 3.3V/5V supply scheme allows direct interfacing with legacy 5V systems while running a lower-voltage core for reduced power.
Technically, the SX family uses a fine-grained logic module array in which each module can implement combinational or registered functions with minimal delay, enabling several-hundred-MHz-class internal performance for its generation. Because configuration is via antifuse, there is no external configuration PROM, reducing BOM count and improving design security.
Typical applications include military and aerospace embedded control, industrial high-reliability glue logic and bus bridging, and communications equipment requiring non-volatile, tamper-resistant logic.
Design consideration: the ceramic CQFP is a hand- or wave-solder-friendly through-hole-companion surface package; verify tie-bar grounding and thermal relief per the Microchip 54SX family datasheet before layout.
This page synthesizes distributor availability, same-package drop-in speed-grade alternatives, and practical design notes not found in the manufacturer datasheet.
直接替换替代料： A54SX32-CQ208M ——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-CQ208M （相同外形与封装尺寸） ——差异在于 Family, Package, System Gates, Logic Modules, RoHS Status.
快速对比工具——选择替代料号进行并排对比：
A54SX32-CQ208
✅ 直接替换✓ 有现货
$1545.45 / 个
查看数据手册 →A54SX32-1CQ208
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →A54SX32-1CQ208M
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$55.75 / 个
查看数据手册 →A54SX32-2CQ208
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
A54SX32-2CQ208M
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
A54SX32-CQ208M 最大额定值与电气特性
| Family | SX (Actel antifuse FPGA) |
| System Gates | 48000 gates |
| Logic Modules / Cells | 2880 |
| User I/O | 174 |
| Core Supply Voltage | 3 V to 3.6 V |
| I/O Supply Voltage | 4.75 V to 5.25 V |
| 工作温度 | -55C to +125C (TC) |
| 封装 | 208-BFCQFP with Tie Bar (CQFP-208) |
| 安装类型 | Surface Mount |
| Program Type | One-Time Programmable (antifuse) |
| Packaging | Bulk |
| RoHS 状态 | Non-compliant |
| Manufacturer Lead Time | 44 weeks |
| Product Status | Active |
| Architecture | Sea-of-modules |
A54SX32-CQ208M 208-bfcqfp with tie bar (cqfp-208) 引脚配置指南
A54SX32-CQ208M（208-bfcqfp with tie bar (cqfp-208) 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-CQ208M.
请参阅 数据手册 以查看完整引脚配置。
典型应用
A54SX32-CQ208M 适用于 6 应用s: Military Embedded Control, Industrial Bus Bridging and Glue Logic, High-Reliability Communications Equipment, Test and Measurement Instrumentation, Avionics and Aerospace Subsystems, Secure / Tamper-Resistant Logic.
Military Embedded Control
The A54SX32-CQ208M fits military embedded control applications because its -55C to +125C military rating and hermetic ceramic CQFP-208 package survive thermal cycling, humidity, and vibration far beyond commercial plastic parts. Its 48,000 antifuse gates integrate address decoding, bus control, and state machines that previously consumed dozens of discrete devices. Because antifuse configuration is one-time-programmable and non-volatile, the design powers up instantly with no configuration PROM and resists bitstream corruption - a key reliability attribute for defense platforms. Typical use places the FPGA between a processor bus and peripheral cards, using the 174 user I/O and 5V-compatible I/O ring to interface directly with legacy military TTL logic families.
推荐
Industrial Bus Bridging and Glue Logic
In industrial automation systems, the A54SX32-CQ208M serves as single-chip glue logic and bus bridge between 5V legacy equipment and modern 3.3V controllers. The dual-supply architecture - 3V to 3.6V core with 4.75V to 5.25V I/O - lets the internal 48K-gate fabric run cool while driving 5V CMOS/TTL signal levels directly, eliminating level-shifter ICs. With 174 programmable I/O, one device can consolidate backplane arbitration, interrupt controllers, and address decoding, cutting board area and assembly cost. The non-volatile antifuse configuration means no boot-time configuration delay, so the FPGA is active within nanoseconds of power application - important for equipment requiring deterministic startup in factory settings.
推荐
High-Reliability Communications Equipment
Telecom and datacom backplane controllers benefit from the A54SX32-CQ208M's predictable timing and configuration security. The sea-of-modules architecture gives deterministic, low-skew routing across the 2,880 logic modules, supporting synchronizer and framing functions at generation-class internal speeds. The 174 user I/O accommodate wide parallel data paths to line-card ASICs, and the antifuse fabric cannot be reprogrammed in-system, providing tamper resistance for network infrastructure handling sensitive data. In 5V backplane environments, the 4.75V to 5.25V I/O supply drives industry-standard signaling without external translators, while the 3.3V core limits dynamic power during continuous operation.
推荐
Test and Measurement Instrumentation
Bench and automated test instruments use the A54SX32-CQ208M as a timing-controller and pattern-generator fabric. The fine-grained SX logic modules implement counter chains, trigger state machines, and handshaking logic with consistent module-to-module delays, simplifying timing closure for measurement-critical paths. The military temperature rating (-55C to +125C) and ceramic package also suit instruments used in environmental chambers where commercial parts drift out of specification. Designers typically dedicate part of the 174 I/O to 5V-level trigger and status lines compatible with legacy GPIB-era hardware, while the non-volatile antifuse configuration ensures the instrument is functional immediately at power-on without a configuration controller.
推荐
Avionics and Aerospace Subsystems
For non-rad-hard avionics subsystems - actuator interface boards, sensor aggregation, and ARINC-style bus adapters - the A54SX32-CQ208M offers a proven antifuse fabric whose configuration is immune to power-supply sequencing errors and configuration-memory upset. Its hermetic 208-pin ceramic CQFP with tie bar provides the mechanical robustness and solderability demanded by aerospace assembly flows, and the -55C to +125C rating covers unpressurized equipment bays. The 48K-gate capacity implements protocol engines and redundancy-management logic, while one-time programming satisfies design-assurance requirements for configuration integrity over the aircraft life cycle. Where radiation tolerance is mandatory, Microchip's RTAX family is the designated successor path.
推荐
Secure / Tamper-Resistant Logic
Applications requiring configuration confidentiality - anti-cloning, key-storage interfaces, and secure boot helpers - leverage the inherent security of antifuse technology. Unlike SRAM FPGAs, whose bitstream is stored in an external PROM and read at every power-up, the A54SX32-CQ208M's configuration is permanently written into on-chip antifuse elements and cannot be read back or intercepted during startup. The 48K gates implement authention state machines, bus encryption hooks, or board-identity logic, and the 174 I/O interface at 5V to legacy secure hardware. For programs that cannot accept external configuration memory as an attack surface, this OTP architecture remains a differentiating advantage over reprogrammable alternatives.
推荐
推荐产品汇总
工程参考数据： A54SX32-CQ208M ——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-CQ208 | A54SX32-1CQ208 | A54SX32-1CQ208M | A54SX32-2CQ208M |
|---|---|---|---|---|---|
| Package | 208-BFCQFP with Tie Bar (CQFP-208) | 208-BFCQFP with Tie Bar - same | 208-BFCQFP with Tie Bar - same | 208-BFCQFP with Tie Bar - same | 208-BFCQFP with Tie Bar - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 48000 gates | 48000 gates | 48000 gates | 48000 gates | 48000 gates |
| User I/O | 174 | 174 | 174 | 174 | 174 |
| Speed Grade | Standard | Standard | -1 (faster) | -1 (faster) | -2 (fastest) |
| 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
- Military temperature range in hermetic ceramic package （对比 A54SX32-PQ208)
- Lowest-cost same-footprint alternative for commercial builds （对比 A54SX32-CQ208)
- Faster timing headroom without redesign （对比 A54SX32-1CQ208M)
设计说明
The A54SX32-CQ208M requires two supply rails: 3V to 3.6V for the core and 4.75V to 5.25V for the I/O ring. Decouple each rail with bulk capacitance plus 0.1uF ceramics at multiple package corners, following the power-supply recommendations in the Microchip 54SX family datasheet. Estimated: at a typical 50-100 mA core current and full I/O switching, total dissipation is modest, but I/O power scales with the number of simultaneously switching 5V outputs - compute Ci*V^2*f per pin in high-toggle designs to verify the thermal budget.
The ceramic CQFP-208 with tie bar requires careful land-pattern design: the tie bars are mechanical/ground tabs and should be soldered to board ground pads per the package drawing in the 54SX datasheet. Use ~0.5 mm pitch footprint geometry per JEDEC-style CQFP conventions, keep trace stubs short on the 174 user I/O to preserve signal integrity at speed, and provide generous via fan-out under the package for power distribution. Verify reflow/wave profiles are compatible with ceramic-body packages, which are less tolerant of steep thermal gradients than plastic QFPs.
Three pitfalls recur with this device: (1) it is one-time-programmable - the antifuse fabric cannot be reworked, so exhaust simulation and timing verification in Libero before programming every unit; (2) the RoHS non-compliant status blocks use in EU-market products - qualify a plastic SX family member if compliance is required; (3) the 44-week factory lead time means last-time-buy planning must start well before end-of-life announcements. Also confirm pin assignment legality per I/O bank in the datasheet pin tables before locking the PCB layout, since some I/O combinations are excluded.
合规信息
RoHS non-compliant per Microchip USA distributor listing. Series: SX. No AEC-Q100 data found in provided sources.
