A54SX72A-1FGG256I - 108K Gate FPGA, 250MHz | Microchip
料号： A54SX72A-1FGG256I ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $135 | $135.00 |
| 10 | $121.5 | $1,215.00 |
| 100 | $108 | $10,800.00 |
| 500 | $96 | $48,000.00 |
| 1,000 | $88 | $88,000.00 |
A54SX72A-1FGG256I 概述
An FPGA (Field-Programmable Gate Array) is a semiconductor device containing a fabric of programmable logic blocks and interconnects that designers configure to implement custom digital circuits. Within the programmable logic hierarchy, the SX-A family sits under one-time-programmable (OTP) antifuse FPGAs, a category valued for instant-on startup, low power, and high design security compared to SRAM-based FPGAs.
Key features include a 0.25 um CMOS antifuse architecture with no configuration memory to load (achieving full function at power-up), 2.5V single-supply operation that reduces power versus 3.3V fabrics, quadrant and global clocking resources (CLKA, CLKB, and QCLK networks on the A54SX72A), and the secure -1 speed grade for industrial temperature ranges of -40C to +85C.
The antifuse fabric provides inherent resistance to bitstream extraction and cloning because no configuration data exists externally, making the device attractive for defense, avionics, and industrial systems where IP protection matters. The 250 MHz toggle capability supports high-speed state machines, glue logic consolidation, and bus interfacing.
Typical applications include aerospace and defense control logic, industrial automation controllers, telecommunications line cards, and single-chip integration of multiple ASSP/glue-logic functions to reduce board count and bill-of-material cost.
Design consideration: because SX-A devices are one-time programmable, verify the final netlist thoroughly in simulation and with the Silicon Explorer II debugging tool before programming production units.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
直接替换替代料： A54SX72A-1FGG256I ——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-1FGG256I （相同外形与封装尺寸） ——差异在于 Package, Process Technology, System Gates, Operating Temperature, Family.
快速对比工具——选择替代料号进行并排对比：
A54SX72A-2FGG256I
✅ 直接替换✓ 有现货
$79.4 / 个
查看数据手册 →A54SX72A-1FGG256M
✅ 直接替换✓ 有现货
$258.66 / 个
查看数据手册 →A54SX72A-1FGG256
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →A54SX72A-FGG256I
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →A54SX72A-1FG256I
✅ 直接替换✓ 有现货
$138.6 / 个
查看数据手册 →A54SX72A-2FG256I
✅ 直接替换✓ 有现货
$198 / 个
查看数据手册 →A54SX72A-1FGG256I 最大额定值与电气特性
| Family | SX-A |
| System Gates | 108000 |
| Logic Cells (CLBs) | 6036 |
| User I/Os | 203 |
| Maximum Toggle Frequency | 250 MHz |
| Core Supply Voltage | 2.5 V |
| Technology | 0.25 um CMOS antifuse |
| Programming Type | One-Time Programmable (antifuse) |
| Speed Grade | -1 |
| 工作温度 | -40C to +85C (Industrial) |
| 封装 | 256-Ball FBGA (1 mm pitch) |
| 安装类型 | Surface Mount |
| RoHS 状态 | Compliant |
| Clocking Resources | CLKA, CLKB, quadrant clocks (QCLK) |
| Configuration Time | Instant-on (no configuration loading) |
| Device Category | Field Programmable Gate Array (FPGA) |
A54SX72A-1FGG256I 256-ball fbga (1 mm pitch) 引脚配置指南
A54SX72A-1FGG256I（256-ball fbga (1 mm pitch) 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-1FGG256I.
请参阅 数据手册 以查看完整引脚配置。
典型应用
A54SX72A-1FGG256I 适用于 6 应用s: Aerospace and Defense Control Logic, Industrial Automation Controllers, Telecommunications Line Cards, Single-Chip Glue Logic Integration, Medical Instrumentation Control Boards, Test and Measurement Equipment.
Aerospace and Defense Control Logic
The A54SX72A-1FGG256I fits aerospace and defense control logic because its antifuse fabric is one-time programmable with no external configuration bitstream, eliminating configuration-upset risks and bitstream interception at power-up - a key concern in secure platforms. Its 108K gates and 6,036 cells consolidate processor glue logic, bus interfaces, and state machines that previously required multiple ASSPs, while the 250 MHz toggle rate handles high-speed control paths. Instant-on operation means the system is functional within nanoseconds of power application, valuable for power-critical avionics sequencing. For platforms demanding wider temperature margins, the pin-compatible A54SX72A-1FGG256M military-grade variant uses the same footprint.
推荐
Industrial Automation Controllers
In industrial automation, the A54SX72A-1FGG256I integrates PLC I/O timing, encoder interfaces, and interlock logic into a single 2.5V device with 203 user I/Os, reducing board area and component count. The industrial temperature rating of -40C to +85C matches factory-floor and outdoor cabinet environments, and instant-on antifuse configuration eliminates boot delays at equipment power-up. With a 250 MHz maximum toggle rate, the fabric comfortably implements deterministic control state machines, and the FBGA-256 footprint supports high I/O density for parallel sensor and actuator buses. Designers benefit from Microchip's Silicon Explorer II tool for in-circuit probing of internal nodes during commissioning and fault diagnosis.
推荐
Telecommunications Line Cards
Telecom line cards use the A54SX72A-1FGG256I to consolidate framing logic, backplane interfaces, and housekeeping functions that previously required multiple discrete devices. The SX-A family's quadrant and global clock networks (CLKA, CLKB, and QCLK on the A54SX72A) support clean clock distribution across line-card regions, and the 0.25 um antifuse process contributes low static power for thermally constrained shelves. The 2.5V core and flexible I/O banks interface with standard backplane signaling levels, while 203 I/Os cover dense TDM or Ethernet PHY connections. Because the device is OTP, telecom OEMs gain protection against design cloning on boards deployed in the field for decades.
推荐
Single-Chip Glue Logic Integration
A primary SX-A use case is integrating many small ASSPs, PALs, and TTL glue devices into one low-cost single-chip solution, exactly the value proposition Microchip states for SX-A. The A54SX72A-1FGG256I's 108K gates absorb address decoders, bus arbiters, interrupt controllers, and voltage-translation bridges in one antifuse fabric, cutting BOM count, assembly cost, and board space simultaneously. Instant-on behavior replicates the zero-latency response of the discrete TTL devices it replaces - no configuration wait, unlike SRAM FPGAs. The -1 speed grade delivers ample timing margin for typical glue functions at 250 MHz-class toggle rates, and RoHS-compliant FBGA-256 packaging simplifies regulatory compliance for new designs.
推荐
Medical Instrumentation Control Boards
Medical diagnostic and imaging equipment benefits from the A54SX72A-1FGG256I's deterministic, configuration-error-free operation: the antifuse fabric cannot lose its configuration, an important reliability attribute for devices where unexpected resets are unacceptable. The 108K-gate capacity implements motor-control sequencing for sample handling, detector timing chains, and host-interface logic within one certified hardware platform, simplifying design history documentation. Industrial temperature operation of -40C to +85C covers laboratory and portable device environments, and low static power from the 2.5V process eases fanless thermal design. Designers should exploit the Silicon Explorer II debug access to document behavior for regulatory validation.
推荐
Test and Measurement Equipment
Bench and automated test equipment employ the A54SX72A-1FGG256I as a flexible timing, trigger, and interface fabric. The 250 MHz toggle capability supports high-resolution event counters and trigger-state machines, while quadrant clocking allows independent timing domains per instrument section. Because the device is one-time programmable, instrument firmware in the FPGA is immutable after release - an aid to calibration traceability and configuration management. The 203 user I/Os connect dense relay matrices, ADC front ends, and communication ports, and instant-on startup means the instrument is ready the moment power is applied, reducing measurement latency in rack automation sequences.
推荐
推荐产品汇总
工程参考数据： A54SX72A-1FGG256I ——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-2FGG256I | A54SX72A-1FGG256M | A54SX72A-1FGG256 | A54SX72A-1FG256I |
|---|---|---|---|---|---|
| Package | FBGA-256 (1 mm pitch) | FBGA-256 - same | FBGA-256 - same | FBGA-256 - same | FBGA-256 - same |
| Brand | Microchip Technology (Microsemi/Actel) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 108000 | 108000 | 108000 | 108000 | 108000 |
| Logic Cells | 6036 | 6036 | 6036 | 6036 | 6036 |
| User I/Os | 203 | 203 | 203 | 203 | 203 |
| Speed Grade | -1 | -2 (faster) | -1 | -1 | -1 |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | Military range (per datasheet) | 0C to +70C (Commercial) | -40C to +85C |
| Core Supply Voltage | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V |
关键差异点
- Instant-on antifuse configuration （对比 SRAM-based FPGAs (e.g., Xilinx/Altera equivalents))
- Higher logic capacity than A54SX32A in a similar footprint class （对比 A54SX32A-FGG256I)
- Military-temperature pin-compatible upgrade path （对比 A54SX72A-1FGG256M)
设计说明
Supply the A54SX72A core from a regulated 2.5V rail with local decoupling - place at least one 0.1uF ceramic capacitor per power ball region plus bulk capacitance near the device. Per the SX-A datasheet, I/O banks should be decoupled similarly. Estimated: with 6,036 cells switching at moderate activity, core current typically remains in the tens-to-low-hundreds of mA range, but verify with Actel/Microchip power estimation tools for your actual netlist before sizing the regulator.
The FBGA-256 package uses a 1 mm ball pitch; design the land pattern per the manufacturer datasheet footprint recommendations and route escape traces on inner layers via microvias or dogbone escapes. Assign quadrant clock inputs (CLKA/CLKB/QCLK) to low-inductance paths and keep them away from switching I/O to minimize jitter. Note that antifuse devices are one-time programmable - lock the ball assignments in the place-and-route constraints before committing hardware.
The most common SX-A pitfall is treating the device like an SRAM FPGA: there is no reconfiguration, so any functional change requires a new physical device. Complete thorough simulation, timing analysis, and Silicon Explorer II hardware debug before programming production units. Also confirm the temperature grade suffix (I = industrial, M = military, none = commercial) matches your environment - substituting a commercial-grade part in an industrial enclosure is a reliability failure mode.
合规信息
Distributor data (FindIC, datasheets.com) lists the part as RoHS compliant in FBGA-256 packaging. REACH, halogen-free, and conflict-minerals status not stated in provided data.
