A54SX32-2PQ208I - SX-A FPGA 48k Gates 174 I/O 208-QFP | Microchip
料号： A54SX32-2PQ208I ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $62.5 | $62.50 |
| 10 | $58.1 | $581.00 |
| 100 | $52.4 | $5,240.00 |
| 500 | $47.9 | $23,950.00 |
| 1,000 | $43.2 | $43,200.00 |
A54SX32-2PQ208I 概述
A field-programmable gate array (FPGA) is a type of configurable logic IC that implements user-defined digital circuits through programmable interconnect and logic modules. Within the programmable logic hierarchy (FPGA -> programmable logic device -> digital logic IC -> semiconductor), the Actel SX/SX-A family is unique in using a antifuse (one-time programmable) architecture rather than SRAM cells, giving it nonvolatile configuration, instant-on power-up, and high resistance to configuration SEUs.
Key features of the A54SX32-2PQ208I include 320 MHz internal toggle performance, 3.7 ns pin-to-pin clock-to-out, 0.1 ns input setup, and 0.25 ns clock skew, enabling single-chip 66 MHz PCI integration. The sea-of-modules architecture supports 100% resource utilization with 100% pin locking, so routing the design never forces board respins. Dual-voltage operation (3.3V core logic with 5.0V-tolerant I/O per the SX family datasheet) simplifies mixed-voltage board designs.
Technically, the device offers 2880 logic modules in the SX32 die, fabricated on a CMOS process with antifuse interconnect. Because configuration is stored in antifuses rather than external memory, no configuration PROM is needed, reducing BOM count and boot time to zero - a significant advantage over SRAM FPGAs in industrial and aerospace systems.
Typical applications include industrial automation controllers, telecommunications infrastructure line cards, and aerospace/defense subsystems where nonvolatile, radiation-tolerant-architecture programmable logic is valued.
Design consideration: this part contains lead and is RoHS non-compliant, so it is restricted to exempt applications; verify procurement and environmental requirements early. Note the -2 speed grade when compiling timing-constrained designs.
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： A54SX32-2PQ208I ——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： A54SX32-2PQ208I （相同外形与封装尺寸） ——差异在于 Package, Family, Process Technology, Speed Grade, Configuration.
快速对比工具——选择替代料号进行并排对比：
A54SX32-2PQG208I
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
联系询价
查看数据手册 →A54SX32-PQ208I
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$272.19 / 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-PQ208
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$44.75 / 个
查看数据手册 →A54SX32-2PQ208
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
A54SX32-2PQ208I 最大额定值与电气特性
| Family | SX-A (54SX) Antifuse FPGA |
| System Gates | 48000 |
| Logic Modules | 2880 |
| User I/O | 174 |
| Internal Performance | 320 MHz |
| Clock-to-Out (Pin-to-Pin) | 3.7 ns |
| Input Set-Up | 0.1 ns |
| Clock Skew | 0.25 ns |
| Speed Grade | -2 |
| Supply Voltage (Core) | 3 V to 3.6 V |
| Supply Voltage (I/O ring) | 4.75 V to 5.25 V |
| 工作温度 | -40C to +85C (Industrial) |
| 封装 | 208-BFQFP (PQ208) |
| 安装类型 | Surface Mount |
| Configuration Type | Antifuse (one-time programmable, nonvolatile) |
| Lead Free Status | Contains Lead |
| RoHS 状态 | RoHS Non-Compliant |
A54SX32-2PQ208I 208-bfqfp (pq208) 引脚配置指南
A54SX32-2PQ208I（208-bfqfp (pq208) 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： A54SX32-2PQ208I.
请参阅 数据手册 以查看完整引脚配置。
典型应用
A54SX32-2PQ208I 适用于 6 应用s: Industrial Automation Controllers, Telecommunications Infrastructure Line Cards, Aerospace and Defense Subsystems, Legacy 5V PCI Interface Design, Medical Equipment Control Logic, Test and Measurement Instrumentation.
Industrial Automation Controllers
The A54SX32-2PQ208I fits industrial automation because its -40C to +85C industrial rating, 3.7 ns pin-to-pin clock-to-out, and 174 user I/O support dense fieldbus, encoder, and sensor-interface logic on a single chip. The antifuse architecture stores configuration permanently, so controllers are operational at power-up with no configuration device - valuable on machinery that must not sit idle waiting for bitstream loads. Designers typically place the FPGA between an MCU and high-channel-count I/O, using the 0.25 ns clock skew for tight synchronous interfaces and the 5.0V-tolerant I/O ring for legacy industrial signaling. Because programming is one-time, freeze the pin map and logic before committing hardware.
推荐
Telecommunications Infrastructure Line Cards
In telecom line-card glue logic and interface bridging, the A54SX32-2PQ208I's 320 MHz internal performance and 66 MHz PCI capability (per the 54SX family datasheet) let one chip absorb CPLD + FPGA functions that previously occupied several devices, cutting BOM cost and board area. The 48,000-gate SX32 die implements framers, backplane interfaces, and control-state machines, while 100% pin locking means final routing never forces a board respin - critical for long-lived telco hardware. The 0.1 ns setup and 0.25 ns skew support tightly timed synchronous buses. The 208-QFP hand-solderable pitch also simplifies field repair on card-based systems.
推荐
Aerospace and Defense Subsystems
The SX-A family's antifuse configuration is intrinsically attractive in aerospace and defense: the configuration bits cannot be read out or disturbed the way SRAM bitstreams can, giving strong resilience against configuration upsets in radiation environments compared with SRAM FPGAs. Microchip USA lists this exact device for aerospace and defense systems where robust performance and flexibility are critical. The A54SX32-2PQ208I supplies 48,000 gates of instant-on logic for telemetry formatting, bus bridging, and payload sequencing with zero boot latency. Industrial temperature rating covers extended environments, and the leaded package is commonly specified under legacy defense procurement exemptions.
推荐
Legacy 5V PCI Interface Design
The Microchip 54SX datasheet explicitly positions the family as a 66 MHz PCI CPLD and FPGA single-chip integration solution. The A54SX32-2PQ208I's dual supply arrangement - 3.0-3.6V core with 4.75-5.25V I/O ring - matches 5V PCI signaling directly, allowing the FPGA to sit on a legacy PCI bus without level translators. Its 3.7 ns clock-to-out and 0.1 ns setup meet 66 MHz PCI AC timing in the -2 speed grade, while 0.25 ns clock skew keeps bus transactions aligned. A single chip can implement the PCI state machine plus application glue logic, replacing discrete CPLD + FPGA pairs.
推荐
Medical Equipment Control Logic
Diagnostic and imaging equipment benefits from the A54SX32-2PQ208I's instant-on, nonvolatile antifuse configuration: instruments pass power-up self-test immediately without waiting for configuration download, shortening boot sequences mandated in clinical workflows. The 48,000-gate capacity integrates motor-control sequencers, sensor front-end glue logic, and host-interface functions, while 174 user I/O handles dense interconnect to detectors and actuators. Industrial temperature rating covers demanding duty cycles, and 5.0V-tolerant I/O eases integration with legacy analog front ends. Note the RoHS non-compliant leaded package: select the A54SX32-2PQG208I lead-free variant for RoHS-constrained medical product builds.
推荐
Test and Measurement Instrumentation
Bench and automated test instruments use the A54SX32-2PQ208I as timing-controller and pattern-generator logic: 320 MHz internal performance supports fast stimulus engines, and the 0.25 ns clock skew keeps multi-channel output timing aligned for reliable sampling. The sea-of-modules architecture achieves 100% resource utilization with 100% pin locking, so instrument I/O mapped early in the design cycle stays fixed through logic revisions - a practical advantage when front-panel and backplane connectors are already committed. One-time programmability also locks firmware configuration against field tampering. Same-footprint family variants enable speed/temperature grading without board changes.
推荐
推荐产品汇总
工程参考数据： A54SX32-2PQ208I ——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 | A54SX32-2PQG208I | A54SX32-PQ208I | A54SX32-1PQG208I | A54SX32-2PQ208 |
|---|---|---|---|---|---|
| Package | 208-BFQFP (PQ208) | 208-BFQFP (PQ208) - same footprint, lead-free | 208-BFQFP (PQ208) - same | 208-BFQFP (PQ208) - same | 208-BFQFP (PQ208) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 48000 | 48000 | 48000 | 48000 | 48000 |
| Speed Grade | -2 | -2 | Standard | -1 | -2 |
| User I/O | 174 | 174 | 174 | 174 | 174 |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +85C | -40C to +85C | 0C to +70C (Commercial) |
| Configuration | Antifuse (one-time programmable) | Antifuse | Antifuse | Antifuse | Antifuse |
关键差异点
- Fastest grade (-2) in the 208-pin QFP footprint （对比 A54SX32-PQ208I)
- Lead-free variant available without footprint change （对比 A54SX32-2PQG208I)
- Nonvolatile antifuse configuration （对比 SRAM FPGAs (e.g., Xilinx/Altera equivalents))
设计说明
The A54SX32-2PQ208I is antifuse, one-time programmable: a programmed device can never be reconfigured. Reserve engineering iterations accordingly - keep blank devices for debug, lock pin assignments only after board-level review, and treat any logic change as consuming a new part. Also confirm the supply scheme before layout: the SX32 needs a 3.0-3.6V core rail and a separate 4.75-5.25V I/O-ring supply per the Microchip USA and family datasheet data.
Estimate: with 2,880 logic modules toggling, core current depends heavily on utilization and clock rate; use the Microchip Designer power calculator with your netlist rather than assuming worst-case figures. Provide independent, well-decoupled 3.3V core and 5V I/O rails - 0.1 uF ceramics at each supply pin pair plus bulk 10 uF per rail is standard practice for QFP packages of this size. Verify I/O-ring current limits when driving many simultaneously switching outputs at 5V.
The 208-pin BFQFP has fine-pitch gull-wing leads requiring a matched land pattern and careful reflow profiling; use the mechanical drawing in the 54SX family datasheet for exact lead pitch and body dimensions. Because the package is leaded (RoHS non-compliant), confirm solder-paste compatibility - lead-free reflow profiles may not wet leaded leads reliably, and mixed-alloy joints can affect long-term reliability. If a redesign is planned anyway, move to the A54SX32-2PQG208I lead-free variant.
合规信息
Distributor data (digchip.com) states Lead Free Status: Contains Lead; RoHS Status: RoHS Non-Compliant. Common for mature Actel SX-A family leaded QFP packages used under legacy/defense exemptions.
