A54SX72A-1PQG208M - 108K-Gate Antifuse FPGA, 208-PQFP | Microchip
料号： A54SX72A-1PQG208M ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $185 | $185.00 |
| 10 | $172.05 | $1,720.50 |
| 100 | $158.4 | $15,840.00 |
| 500 | $148 | $74,000.00 |
| 1,000 | $138.75 | $138,750.00 |
A54SX72A-1PQG208M 概述
An antifuse FPGA is a field-programmable gate array whose interconnect is permanently programmed at power-up programming time by blowing antifuse elements, in contrast to SRAM-based FPGAs that reload configuration from an external memory at every power cycle. Within the programmable logic hierarchy, the A54SX72A sits at the top of the SX-A family (above the SX08, SX16 and SX32 members), providing a non-volatile, single-chip solution that requires no configuration PROM, reducing bill-of-materials cost and improving design security because the bitstream cannot be read back.
Key features include 6,036 configurable logic blocks (CLBs), 171 user-programmable I/Os compatible with TTL, LVTTL, LVCMOS2, 3.3 V PCI and 5.0 V PCI signaling standards, four quadrant clock inputs (CLKA-CLKD) feeding dedicated global clock networks, and combinatorial logic delays low enough for 250 MHz system operation at the faster speed grades. The -1 speed grade offers a cost-optimized timing point within the same die and package.
The architecture uses a sea-of-modules fabric with dedicated carry logic and embedded clock distribution, enabling designers to integrate multiple glue-logic, state-machine and bus-interface functions into one low-power device. Because programming is one-time (OTP), the part is well suited to long-lifecycle industrial, communications, avionics-adjacent and defense-related platforms where configuration volatility is unacceptable.
Typical applications include protocol bridging and bus interface conversion in industrial automation, backplane control logic in networking and telecommunications equipment, and secure single-chip logic integration in systems requiring deterministic power-up behavior without external boot memory.
Design consideration: antifuse FPGAs are one-time programmable - reserve spare I/O and logic headroom, and lock the netlist before production programming, since design changes require new devices.
This page adds distributor pricing tiers, drop-in alternatives within the same 208-PQFP footprint, and practical design notes synthesized beyond the manufacturer datasheet.
直接替换替代料： A54SX72A-1PQG208M ——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-1PQG208M （相同外形与封装尺寸） ——差异在于 Package, System Gates, RoHS Status, Family, Clock Networks.
快速对比工具——选择替代料号进行并排对比：
A54SX72A-1PQG208A
✅ 直接替换📋 参考替代料（不在目录中）
A54SX72A-PQG208
✅ 直接替换✓ 有现货
$181.3 / 个
查看数据手册 →A54SX72A-1CQ208M
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →A54SX32A-1PQG208M
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →A54SX32A-1PQG208I
✅ 直接替换✓ 有现货
$44.75 / 个
查看数据手册 →A54SX72A-1PQG208M 最大额定值与电气特性
| Family | SX-A (Antifuse FPGA) |
| System Gates | 108000 |
| Typical Gates | 72000 |
| Configurable Logic Blocks (CLBs) | 6036 |
| User I/O | 171 |
| Speed Grade | -1 |
| Maximum System Clock Frequency | 250 MHz (device family maximum) |
| Core Supply Voltage | 2.5 V |
| Technology | 0.25 um / 0.22 um CMOS |
| Programming Type | One-Time Programmable (Antifuse) |
| I/O Standards | TTL, LVTTL, LVCMOS2, 3.3 V PCI, 5.0 V PCI |
| Clock Networks | 4 quadrant clock inputs (CLKA-CLKD) + global clock network |
| 封装 | 208-BFQFP (208-PQFP), surface mount |
| 安装类型 | Surface Mount |
| RoHS 状态 | Lead Free (per DigiKey/Jake Electronics listing: LEAD FREE) |
| Configuration Storage | Non-volatile (no external configuration PROM required) |
A54SX72A-1PQG208M 208-bfqfp (208-pqfp), surface mount 引脚配置指南
A54SX72A-1PQG208M（208-bfqfp (208-pqfp), surface mount 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-1PQG208M.
请参阅 数据手册 以查看完整引脚配置。
典型应用
A54SX72A-1PQG208M 适用于 6 应用s: Industrial Bus Bridging and Glue Logic, Telecom and Networking Backplane Control, Secure Single-Chip Logic Integration, Avionics and High-Reliability Deterministic Systems, Legacy 5V PCI and Mixed-Voltage System Upgrades, Instant-On Embedded Control and IoT Gateways.
Industrial Bus Bridging and Glue Logic
In factory automation and process-control backplanes, the A54SX72A-1PQG208M consolidates address decoding, state machines, and bus-interface conversion that would otherwise occupy several CPLDs or TTL devices. Its 108K gates and 171 user I/Os absorb wide parallel buses, while TTL, LVTTL, LVCMOS2, and 5.0 V PCI I/O compatibility lets it talk directly to legacy 5 V peripherals without level shifters. Because the antifuse fabric is non-volatile, the bridge is functional within microseconds of power-up - no configuration wait that could stall a deterministic industrial startup sequence. Designers place it between a main controller and legacy fieldbus interfaces, reserving roughly 20 percent gate headroom for ECOs. The single-chip integration cuts BOM count and, with no configuration PROM, removes a common counterfeit/boot-failure attack surface in long-lifecycle industrial equipment.
推荐
Telecom and Networking Backplane Control
Line cards and backplane controllers in telecom equipment use the A54SX72A-1PQG208M for framer glue logic, hot-swap control, and status aggregation. The four quadrant clock inputs (CLKA-CLKD) feed dedicated global clock networks, letting each card quadrant receive its own low-skew clock domain - important when distributing system sync across a 208-pin device. With a 250 MHz family maximum clock rate and the -1 speed grade, the part closes timing on PCI and parallel backplane interfaces operating at 33-66 MHz with margin. Its 5 V PCI compliance enables direct connection to legacy 5 V PCI bridges still common in carrier equipment. Because the configuration cannot be read back, operators gain hardware-rooted protection of proprietary firmware partitioning logic, and the absence of a boot flash eliminates an entire failure mode in high-availability racks.
推荐
Secure Single-Chip Logic Integration
Defense-adjacent, instrumentation, and licensing-sensitive products select the A54SX72A-1PQG208M specifically for its antifuse security posture: unlike SRAM FPGAs whose bitstream can be intercepted during configuration loading, the SX-A program is permanent and non-readable, so reverse-engineering the netlist requires destructive decapping. The 108K-gate capacity integrates proprietary co-processing logic, key-handling state machines, and board-level glue into one device, and instant-on behavior removes the configuration window exploited by boot-order attacks. The 0.25 um/0.22 um CMOS process and 2.5 V core keep dynamic power low for passively cooled enclosures. Engineers budget the 72,000 typical gates for the secure function itself and prototype on the same package before locking the fusemap, since the one-time-programmable nature makes post-production ECOs impossible.
推荐
Avionics and High-Reliability Deterministic Systems
Systems requiring deterministic, radiation-tolerant-adjacent behavior at board level - test instrumentation for avionics, ground support equipment, and ruggedized controllers - benefit from the A54SX72A's immunity to configuration upsets: the antifuse fabric cannot experience the configuration-memory SEU flip problems of SRAM FPGAs, an inherent reliability advantage in high-vibration, high-altitude environments. The 171 I/Os at 5 V-tolerant legacy standards interface directly with ARINC-style discrete and MIL-STD-adjacent signaling through external conditioning. The 208-PQFP package offers gull-wing leads that are inspectable by X-ray and AOI for solder-joint assurance in high-reliability assembly. With 6,036 CLBs, designers implement voter logic, watchdog interfaces, and sensor-fusion pre-processing, while instant-on operation guarantees logic availability during the critical first milliseconds of power-up self-test.
推荐
Legacy 5V PCI and Mixed-Voltage System Upgrades
Platforms built around 5 V PCI slots - medical scanners, test racks, industrial PCs - use the A54SX72A-1PQG208M to implement custom PCI agents or bridges without level-shifting trees. The SX-A datasheet dedicates AC specification tables to 5 V PCI operation, confirming full electrical compliance at both 3.3 V and 5.0 V signaling on the same die, an unusual capability in modern FPGAs. Designers attach the device directly to the PCI bus for protocol adaptation or bus mastering support logic, using the 108K gates to add on-card registers, interrupt controllers, and DMA handshake state machines. Because the part is lead-free (PQG 'G' plating, M tray), new-compliance retrofits meet current RoHS assembly rules while remaining electrically compatible with decades-old backplanes - the core value proposition of an SX-A-based upgrade path.
推荐
Instant-On Embedded Control and IoT Gateways
Smart-grid RTUs, motor-control motherboards, and IoT edge gateways need control logic active before the main SoC boots - power sequencing, safety interlocks, and fail-safe defaults. The A54SX72A-1PQG208M provides this always-on logic layer with zero configuration latency, since antifuse programming is permanent. Its 2.5 V core keeps standby draw low in always-powered nodes, and 171 I/Os connect relays, sensors, and status LEDs without expansion logic. A typical partition places safety and power-management state machines in the FPGA, application intelligence in a companion MCU, communicating over a parallel or SPI-style register interface. Designers reserve spare I/O on the 208-PQFP for field-retrofit signals, and the absence of any external boot memory removes a failure point that remote, unattended deployments cannot tolerate.
推荐
推荐产品汇总
工程参考数据： A54SX72A-1PQG208M ——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-1PQG208A | A54SX72A-PQG208 | A54SX72A-1CQ208M | A54SX32A-1PQG208M | A54SX32A-1PQG208I |
|---|---|---|---|---|---|---|
| Package | 208-PQFP (BFQFP) | 208-PQFP - same | 208-PQFP - same | 208-QFP - same outline | 208-PQFP - same | 208-PQFP - same |
| Brand | Microchip Technology (Actel) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 108,000 (72,000 typical) | 108,000 | 108,000 | 108,000 | 32,000 | 32,000 |
| Speed Grade | -1 | -1 | Standard | -1 | -1 | -1 |
| Core Voltage | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V |
| Programming | Antifuse OTP, no configuration PROM | Antifuse OTP - same | Antifuse OTP - same | Antifuse OTP - same | Antifuse OTP - same | Antifuse OTP - same |
关键差异点
- Largest SX-A capacity in the 208-PQFP footprint （对比 A54SX32A-1PQG208M)
- Faster timing than the standard-speed same-die part （对比 A54SX72A-PQG208)
- Inherent configuration security versus SRAM FPGAs （对比 A54SX32A-1PQG208I)
设计说明
Antifuse FPGAs are one-time programmable: a programming error or late netlist change permanently consumes the device. Freeze the design in Libero/Designer, complete timing simulation at the -1 speed grade, and only then release the fusemap to the Silicon Sculptor programmer. Budget 15-20 percent spare CLBs and I/O for ECOs since no rework path exists. Keep the programming file under version control, and prototype with engineer-quantity trays before committing production stock, because each failed or changed design requires new physical devices.
The A54SX72A uses a 2.5 V core supply; provide a clean, dedicated 2.5 V rail with local 0.1 uF ceramic decoupling at each supply pin pair plus bulk 10 uF per power quadrant. Estimated: dynamic power scales with clock frequency and toggling rate - a design clocking 60 percent of the 250 MHz family maximum with moderate activity typically dissipates a few hundred milliwatts, well within the PQFP capability, but compute your actual estimate in Libero power analysis before finalizing the regulator sizing. Do not share the 2.5 V core rail with noisy I/O buffer supplies.
Route the four quadrant clock inputs (CLKA-CLKD) with matched-length, ground-referenced traces and treat them as critical analog-adjacent signals: the datasheet identifies them as dedicated inputs to the global clock distribution networks for the bottom-left, bottom-right, top-left, and top-right device quadrants. Place a 208-PQFP land pattern per JEDEC ms013-style outline and verify against the manufacturer package drawing before release. For 5 V PCI operation, ensure trace impedance and loading meet PCI bus capacitance budgets on the target backplane.
合规信息
Distributor listings (DigiKey, Jake Electronics) mark A54SX72A-1PQG208M as LEAD FREE; 'G' in PQG208 denotes green plating. REACH, halogen-free, and conflict-minerals statuses not stated in provided data.
