A54SX72A-2PQG208I - 108K-Gate Antifuse FPGA, 171 I/O | Microchip
料号： A54SX72A-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 | $47.9 | $47,900.00 |
A54SX72A-2PQG208I 概述
An antifuse FPGA is a type of field-programmable gate array whose interconnects are permanently programmed at power-up by blowing antifuse links. Unlike SRAM-based FPGAs, antifuse devices are non-volatile and one-time programmable, which means no configuration PROM is required, configuration time is eliminated, and the bitstream is physically invisible to reverse engineering - a built-in security advantage.
Key features include 108K system gates of reprogrammable-at-design-time Sea-of-Modules architecture, 171 available user I/O, support for clock speeds up to 217 MHz, and low static power consumption typical of the SX-A family. Input levels are compatible with standard TTL, LVTTL, LVCMOS2, 3.3 V PCI, and 5 V PCI specifications per the SX-A family datasheet.
Architecturally, the SX72A die arranges combinational and sequential modules in a Sea-of-Modules fabric with dedicated global and quadrant clock networks (CLKA/CLKB plus four quadrant clock inputs) for low-skew distribution, enabling high-speed state machines and datapath designs.
Typical applications include industrial control, communications and networking equipment, avionics and mil-aerospace glue logic, and ASIC prototype or single-chip integration where the board must boot instantly with a secure, non-readable configuration.
Design consideration: antifuse devices are one-time programmable - a design change requires a new device, so full simulation and timing closure in Libero/Microchip design tools are mandatory before programming.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet.
直接替换替代料： A54SX72A-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： A54SX72A-2PQG208I （相同外形与封装尺寸） ——差异在于 Package, System Gates, Clock Networks, Operating Temperature, Speed Grade.
快速对比工具——选择替代料号进行并排对比：
A54SX72A-1PQG208I
✅ 直接替换✓ 有现货
$79 / 个
查看数据手册 →A54SX72A-2PQG208
✅ 直接替换✓ 有现货
$82.6 / 个
查看数据手册 →A54SX72A-PQG208I
✅ 直接替换✓ 有现货
$86.9 / 个
查看数据手册 →A54SX72A-PQG208M
✅ 直接替换✓ 有现货
$3667.221 / 个
查看数据手册 →A54SX72A-1PQG208M
✅ 直接替换✓ 有现货
$138.75 / 个
查看数据手册 →A54SX72A-PQG208A
✅ 直接替换✓ 有现货
$62.5 / 个
查看数据手册 →A54SX72A-FPQ208
✅ 直接替换✓ 有现货
$169 / 个
查看数据手册 →A54SX72A-2PQG208I 最大额定值与电气特性
| Family | SX-A (antifuse FPGA) |
| System Gates | 108K |
| User I/O | 171 |
| Speed Grade | -2 |
| Maximum Toggle/Operating Frequency | 217 MHz |
| Core Supply Voltage | 2.5 V |
| I/O Standards | TTL, LVTTL, LVCMOS2, 3.3 V PCI, 5 V PCI |
| Programming Technology | Antifuse (one-time programmable, non-volatile) |
| 封装 | 208-BFQFP (PQFP-208, gull wing) |
| 工作温度 | -40C to +85C (Industrial) |
| 安装类型 | Surface Mount |
| Terminal Form | Gull Wing |
| Package Shape | Square |
| RoHS 状态 | Lead free (per Kynix listing) |
A54SX72A-2PQG208I square 引脚配置指南
A54SX72A-2PQG208I（square 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： A54SX72A-2PQG208I.
请参阅 数据手册 以查看完整引脚配置。
典型应用
A54SX72A-2PQG208I 适用于 6 应用s: Industrial Control and Automation, Communications and Networking Equipment, Avionics and Defense Electronics, ASIC Prototyping and Low-Volume Integration, Single-Chip System Integration / Glue Logic Consolidation, Test and Measurement Instrumentation.
Industrial Control and Automation
The A54SX72A-2PQG208I fits industrial controllers because its antifuse fabric is non-volatile and immune to configuration corruption from power glitches or EMI - a common failure mode for SRAM FPGAs on factory floors. With 171 user I/O at 2.5 V core and 5 V/3.3 V PCI-tolerant inputs, it directly interfaces legacy TTL-level PLC I/O while integrating glue logic, motor PWM sequencing, and encoder interfaces into one 208-pin chip. In a typical deployment it sits between a microprocessor and field I/O, replacing dozens of 74-series devices. The -2 speed grade supports counters and state machines well beyond mechanical control bandwidths, and the industrial -40C to +85C rating covers unconditioned cabinets.
推荐
Communications and Networking Equipment
Telecom line cards and backplane interface boards benefit from the A54SX72A-2PQG208I's 217 MHz-class -2 timing and dedicated global plus quadrant clock networks (CLKA/CLKB, QCLKA-QCLKD), which deliver low-skew clocking for framers, FIFOs, and parallel bus bridges. The 108K-gate capacity integrates bus switching, address decoding, interrupt control, and protocol glue logic that previously required several PLDs, reducing BOM count and board area. Because the device is one-time programmable and powers up instantly, line cards pass traffic immediately after hot-swap insertion with no bitstream load time - an advantage over SRAM FPGAs in redundant or hot-pluggable systems where configuration downtime is unacceptable.
推荐
Avionics and Defense Electronics
The SX-A family's antifuse technology has a long heritage in avionics and defense programs, where the A54SX72A-2PQG208I's physical bitstream opacity (interconnects cannot be read back), instant-on behavior, and immunity to SEU-induced configuration loss are decisive. The PQG208I industrial grade covers extended ambient ranges, and Microchip offers M-screened siblings (A54SX72A-PQG208M) in the identical footprint for higher-assurance programs. Typical roles include MIL-STD-1553 bus glue logic, arbitration and voting circuits, sensor conditioning front ends, and secure boot assist logic. Designers value that a single 2.5 V, low-static-power chip replaces several commercial devices with one low-quiescent, non-volatile solution.
推荐
ASIC Prototyping and Low-Volume Integration
Before committing to an ASIC mask set, the 108K-gate A54SX72A-2PQG208I provides a fast, single-chip prototyping vehicle: RTL is mapped onto the Sea-of-Modules fabric in Microchip's Designer toolset, and the programmed parts behave identically to production silicon, giving realistic timing and power data. For low-volume products where an ASIC never reaches economic volume, the same design can ship as the final solution - the antifuse die becomes the product. One-time programming imposes discipline: full gate-level simulation and timing closure are mandatory before programming, since no device can be reworked. The 208-pin PQFP is hand-solderable and socketable, easing prototype board bring-up compared with fine-pitch BGAs.
推荐
Single-Chip System Integration / Glue Logic Consolidation
Boards carrying aging 74-series, PAL, GAL, and CPLD glue logic can consolidate all of it into one A54SX72A-2PQG208I, cutting component count, assembly cost, and failure points. With 108K gates and 171 I/O, a typical consolidation absorbs bus transceivers' control, address decoders, interrupt controllers, reset supervisory logic, and handshaking state machines. Antifuse non-volatility means the integrated logic is active within nanoseconds of power application - no configuration controller, no serial flash, no boot watchdog. This matters in equipment with strict reset-to-ready timing (RAID controllers, test instruments, medical devices). The 2.5 V core also lowers static power relative to older 5 V PLD families being retired.
推荐
Test and Measurement Instrumentation
Bench and automated test instruments use the A54SX72A-2PQG208I as a deterministic timing and control core: its antifuse fabric delivers fixed, repeatable propagation delays unaffected by configuration reload, improving measurement reproducibility between power cycles. The -2 speed grade clocks state machines and counter chains for trigger generation, time-tagging, and pattern generation, while 171 I/O addresses relay matrices, DUT interfaces, and backplane buses with TTL/LVTTL/LVCMOS2 compatibility. Because the device is non-volatile and instantly ready, instruments meet power-on-to-ready specifications without configuration delay. The industrial temperature grade supports portable instruments used in uncontrolled environments from field service vehicles to outdoor test stations.
推荐
推荐产品汇总
工程参考数据： A54SX72A-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 | A54SX72A-1PQG208I | A54SX72A-2PQG208 | A54SX72A-PQG208M | A54SX72A-FGG256I |
|---|---|---|---|---|---|
| Package | 208-BFQFP (PQFP-208) | 208-BFQFP - same | 208-BFQFP - same | 208-BFQFP - same | 256-ball FBGA (different) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 108K | 108K | 108K | 108K | 108K |
| Temperature Range | -40C to +85C (Industrial) | -40C to +85C (Industrial) | 0C to +70C (Commercial) | Military screened | -40C to +85C (Industrial) |
| Core Supply Voltage | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V |
| Programming Technology | Antifuse (OTP, non-volatile) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) |
关键差异点
- Fastest speed grade in the 208-pin PQFP family （对比 A54SX72A-1PQG208I)
- Industrial temperature qualification （对比 A54SX72A-2PQG208)
- Non-volatile antifuse security （对比 SRAM FPGAs of similar capacity)
- Same-die upgrade path in one footprint （对比 A54SX72A-PQG208I)
设计说明
The A54SX72A uses a 2.5 V core with separate analog supply pins (VCCA, VPLLA/VPLLB) and programming pins (VPP) that must be connected per the SX-A family datasheet power-up sequence. Decouple each VCC pin with 0.1 uF ceramic capacitors placed within 2 mm of the pin, plus bulk 10 uF per rail. Do not share VPP routing with signal power - programming voltage transients must not appear on the logic rail. Estimated: static power scales with the number of used modules, so run the Microchip Designer power calculator with your actual netlist before finalizing the supply budget.
The 208-pin PQFP has a 0.5 mm lead pitch; use NSMD pads with solder mask defined between leads to prevent bridging, and follow the IPC-recommended footprint in the datasheet mechanical drawing section. The die attach paddle is not exposed, so thermal relief relies on perimeter traces: use 2 oz copper or thermal vias under the body for high-power designs. Keep the four quadrant clock inputs (QCLKA-QCLKD) routed as short, matched traces to their clock sources to minimize skew across clock quadrants.
Antifuse FPGAs are one-time programmable: a logic bug after programming means scrapping the device. Always complete gate-level simulation, back-annotated timing verification, and a hardware trial on a development board before committing production devices. Second pitfall: mixing speed grades. A design compiled for the -2 A54SX72A will not necessarily meet timing on the -1 or standard grade variants (A54SX72A-1PQG208I, A54SX72A-PQG208I); re-verify timing at the substitute grade before second-sourcing within the same footprint.
Input levels are TTL, LVTTL, LVCMOS2, 3.3 V PCI, and 5 V PCI compatible per the SX-A datasheet, but confirm which bank standard each I/O is configured for in Designer - 5 V PCI inputs include clamp diodes that load a shared bus. For long backplane traces, add series 22-33 ohm termination at the FPGA driver to control overshoot, and keep stub lengths under 25 mm on the quadrant clock nets. Unused I/O should be defined as inputs with pull-up or grounded per your EMC strategy rather than left floating.
合规信息
Kynix lists A54SX72A-2PQG208I as lead free. Full RoHS/REACH declarations should be requested from Microchip; other compliance attributes not stated in provided data.
