A54SX32A-2PQG208I - 48K Gate FPGA, 208-PQFP | Microchip
料号： A54SX32A-2PQG208I ✓ 量产中| 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 | $47.95 | $47,950.00 |
A54SX32A-2PQG208I 概述
An antifuse FPGA is a type of field-programmable gate array whose programmable interconnects are permanently formed at programming time by dielectric breakdown. Unlike SRAM-based FPGAs (Xilinx Virtex, Intel/Altera Cyclone), antifuse programming is one-time and non-volatile, giving the device instant-on behavior, no configuration memory to upset, and strong resistance to readout - which is why the SX-A family is widely used in secure, low-power, and cost-sensitive applications.
Key features include 48K system gates on a 0.25 um CMOS process, a -2 speed grade supporting internal clock rates up to 313 MHz, a wide supply window listed as 2.25 V to 5.25 V for I/O operation (2.5 V core), and industrial temperature range compliance. The 174 available user I/Os and 208-pin PQFP footprint support mid-density glue logic, bus bridging, and control-plane integration on a single chip, replacing multiple discrete logic devices and reducing board cost.
Architecturally, the SX-A uses a sea-of-modules structure with fast, predictable routing, enabling timing-driven designs without the configuration-loading overhead of SRAM FPGAs. Low standby power and permanent antifuse interconnect make the A54SX32A suitable for systems where configuration data security and instant power-up are priorities.
Typical applications include industrial automation controllers, communication line cards, military and avionics subsystems, test and measurement instrumentation, and legacy system sustainment where the 208-PQFP footprint must be retained. The device integrates address decoders, state machines, bus interfaces, and control sequencing previously split across many 7400-series devices.
A key design consideration is that antifuse FPGAs are one-time programmable: the design must be fully verified in simulation (using Libero SoC or Actel legacy toolchains) before programming, and design changes require a new device.
This page synthesizes distributor pricing, drop-in alternatives, package information, and practical design notes not found in the manufacturer datasheet.
直接替换替代料： A54SX32A-2PQG208I ——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： A54SX32A-2PQG208I （相同外形与封装尺寸） ——差异在于 Package, System Gates, Operating Temperature, Process Technology, Core Supply Voltage.
快速对比工具——选择替代料号进行并排对比：
A54SX32A-PQG208I
✅ 直接替换📋 参考替代料（不在目录中）
A54SX32A-1PQG208I
✅ 直接替换✓ 有现货
$44.75 / 个
查看数据手册 →A54SX32A-PQG208M
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联系询价
查看数据手册 →A54SX32A-PQG208A
✅ 直接替换✓ 有现货
$47.8 / 个
查看数据手册 →A54SX32A-2PQG208
✅ 直接替换📋 参考替代料（不在目录中）
A54SX32-2PQG208I
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →A54SX32A-2PQG208I 最大额定值与电气特性
| Family | SX-A (antifuse FPGA) |
| System Gates | 48000 gates |
| Logic Blocks (CLBs) | 2880 |
| Maximum System Frequency | 313 MHz |
| User I/O | 174 |
| Speed Grade | -2 |
| 电源电压 | 2.25 V to 5.25 V |
| Core Technology | 0.25 um CMOS, antifuse |
| 工作温度 | -40C to +85C (TA) |
| 封装 | 208-BFQFP (208-PQFP, 28x28 mm) |
| 安装类型 | Surface Mount |
| Programmability | One-Time Programmable (antifuse) |
| Packaging | Tray |
| Manufacturer Lead Time | 12 weeks |
| RoHS 状态 | ROHS3 Compliant |
| Product Status | Active |
A54SX32A-2PQG208I 208-bfqfp (208-pqfp, 28x28 mm) 引脚配置指南
A54SX32A-2PQG208I（208-bfqfp (208-pqfp, 28x28 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： A54SX32A-2PQG208I.
请参阅 数据手册 以查看完整引脚配置。
典型应用
A54SX32A-2PQG208I 适用于 6 应用s: Industrial Automation Controllers, Defense and Avionics Subsystems, Communications Line Cards, Test and Measurement Instrumentation, Legacy System Sustainment, Secure Control and Encryption Key Handling Logic.
Industrial Automation Controllers
The A54SX32A-2PQG208I fits industrial controller designs that need deterministic glue logic, bus bridging, and state-machine control with instant-on behavior. Its 48,000 gates and 2,880 CLBs integrate address decoding, I/O expansion, and sequencing logic that would otherwise consume dozens of discrete CMOS devices, cutting BOM count and board area. The -40C to +85C industrial temperature rating and ROHS3 compliance suit factory-floor equipment. Because the antifuse fabric is non-volatile, the controller is fully operational within microseconds of power application - no configuration load time, which matters in machinery with strict start-up sequencing. Place the 208-PQFP with standard surface-mount assembly; no firmware flash is needed, reducing failure modes in electrically noisy plant environments.
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Defense and Avionics Subsystems
Antifuse FPGAs like the A54SX32A-2PQG208I are a mainstay in defense and avionics hardware because the programmed interconnect cannot be read back or disturbed by single-event effects on configuration memory. The 48K-gate fabric handles protocol bridging, bus arbitration, and control sequencing on line-replaceable units, while the wide -40C to +85C temperature range covers most conduction-cooled environments. The permanent programming also eliminates configuration-storage devices, improving reliability prediction (MTBF) figures. Design teams typically lock the fuse file under configuration control and verify the design exhaustively in Libero SoC before programming. Note the 12-week manufacturer lead time when scheduling platform maintenance builds, and consider the M-screened A54SX32A-PQG208M variant where additional screening is specified.
推荐
Communications Line Cards
In telecom and datacom line cards, the A54SX32A-2PQG208I provides 174 user I/Os for backplane interfacing, framing logic, and crossbar-style glue functions at up to 313 MHz internal rates on the -2 speed grade. The sea-of-modules routing architecture gives predictable timing, important when interfacing to fixed-latency SONET/Ethernet framer devices. Antifuse instant-on operation lets the card enumerate before host software queries it, simplifying hot-swap and reset sequencing. Low standby power reduces shelf power draw in redundant-card configurations. When populating a line card today, verify stock first, since the 12-week factory lead time can hold up a card build; the pin-compatible A54SX32A-PQG208I can cover designs with relaxed timing.
推荐
Test and Measurement Instrumentation
Bench and automated test instruments use the A54SX32A-2PQG208I for trigger logic, counter/timer front ends, and instrument bus interfaces. The -2 speed grade supports internal clocking to 313 MHz, adequate for high-resolution event counting and timing-skew measurements, while 174 I/Os fan out to relay banks, ADCs, and display controllers. Because the design is permanently programmed, measurement repeatability is guaranteed across power cycles - there is no bitstream version ambiguity between instruments on a production line. The device integrates cleanly with Microcontroller or CPU-based control loops over parallel buses. Designers should budget simulation time before programming since antifuse devices cannot be reworked; keep a spare programmed device per instrument revision as sustainment insurance.
推荐
Legacy System Sustainment
A primary modern use of the A54SX32A-2PQG208I is sustainment of legacy designs originally built around Actel SX/SX-A devices. Because Microchip continues active production (status Active, 12-week lead time as of 2026-09-03), boards using the 208-PQFP footprint can be kept in build without redesign. The pin-compatible family spanning commercial (A54SX32A-2PQG208), industrial (this part, -I suffix), and M-screened grades lets buyers match the original procurement specification exactly. For obsolete SX-family boards, the A54SX32-2PQG208I cross-reference can sometimes be bridged within the same 208-pin PQFP footprint, though gate count and timing differ and re-verification is required. Keep fuse files archived for reprogramming continuity.
推荐
Secure Control and Encryption Key Handling Logic
The A54SX32A-2PQG208I suits secure control logic where the design must not be extractable: antifuse configuration leaves no readable bitstream, and no external configuration flash exists to clone or corrupt. Typical roles include key-management state machines, tamper-response sequencing, and board authentication glue between a secure MCU and backplane electronics. The 48K gates accommodate AES-round datapaths at modest throughput or more extensive non-cryptographic security logic. Industrial temperature range and ROHS3 compliance support commercial security appliances. Designers should note that the wide 2.25 V to 5.25 V supply listing applies to the device's I/O operating envelope; consult the Microchip SX-A datasheet for core supply details, and apply the usual controlled-firmware practices to the fuse file itself.
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推荐产品汇总
工程参考数据： A54SX32A-2PQG208I ——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 | A54SX32A-PQG208I | A54SX32A-1PQG208I | A54SX32A-PQG208M | A54SX32A-PQG208A | A54SX32A-2PQG208 |
|---|---|---|---|---|---|---|
| Package | 208-BFQFP (PQFP, 28x28 mm) | 208-BFQFP - same | 208-BFQFP - same | 208-BFQFP - same | 208-BFQFP - same | 208-BFQFP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 48000 | 48000 | 48000 | 48000 | 48000 | 48000 |
| Logic Blocks (CLBs) | 2880 | 2880 | 2880 | 2880 | 2880 | 2880 |
| Maximum Frequency | 313 MHz | 278 MHz | 278 MHz | 278 MHz | 278 MHz | 313 MHz |
| User I/O | 174 | 174 | 174 | 174 | 174 | 174 |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C | -40C to +85C | M-screened variant | A-screened variant | 0C to +70C (commercial) |
关键差异点
- Fastest -2 speed grade in the 208-PQFP 32K-gate family （对比 A54SX32A-PQG208I)
- Industrial temperature rating （对比 A54SX32A-2PQG208)
- Non-volatile antifuse fabric with no configuration device （对比 A54SX32-2PQG208I (legacy SX))
设计说明
The A54SX32A-2PQG208I is one-time programmable (antifuse). Complete full functional simulation, timing closure, and design review in Libero SoC before programming; a design change after fuse blowing requires a new physical device. Archive the fuse file under configuration control so replacement units can be programmed identically, which is essential for multi-year production and repair spares in industrial and defense builds.
The listed supply window spans 2.25 V to 5.25 V, reflecting the SX-A I/O operating envelope across VCCI options; the internal core operates at its nominal family supply per the Microchip SX-A datasheet. Decouple all VCC/VCCI pins individually with 0.1 uF ceramics close to each pin pair on the 208-PQFP, plus bulk 10 uF per supply rail. Since antifuse FPGAs are non-volatile, there is no configuration power surge at startup - but I/O switching currents on 174 outputs still require a solid ground return.
The 208-pin PQFP has a 0.5 mm lead pitch, requiring solder-paste printing inspection and careful reflow profiling to avoid bridging on fine-pitch leads. Maintain at least 3-4 mil annular clearance on fanout vias and follow the standard PQFP land pattern from IPC-compliant footprint calculators. Corner leads should include dummy copper thieving for paste uniformity. The 28x28 mm body needs no heatsink but keep thermal relief under the package center for hot-spot dissipation on high-toggling designs.
With 174 user I/Os and up to 313 MHz internal clocking, group high-fanout clock nets onto dedicated clock-capable pins listed in the SX-A datasheet pin tables. Keep stub lengths short on the 0.5 mm-pitch PQFP escape routing, and series-terminate heavily loaded output buses (33-50 ohm) to control ringing at the receiver. Refer to Microchip SX-A family application notes for I/O banking and VCCI assignment rules before finalizing the stackup.
合规信息
ROHS3 Compliant per Microchip USA distributor data. Lead-free implied by ROHS3 status. REACH, halogen-free, and conflict-minerals status not stated in provided data.
