A54SX72A-FGG256A - 108K Gate SX-A FPGA 256-BGA | Microchip
MPN: A54SX72A-FGG256A ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $185.5 | $185.50 |
| 10 | $176.23 | $1,762.30 |
| 100 | $166.95 | $16,695.00 |
| 500 | $157.68 | $78,840.00 |
| 1,000 | $148.4 | $148,400.00 |
Drop-in alternatives for A54SX72A-FGG256A — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX72A-FGG256I
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View Datasheet →A54SX72A-FGG256
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$153.34 / Unit
View Datasheet →A54SX72A-FGG256M
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$136 / Unit
View Datasheet →A54SX72A-1FGG256
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View Datasheet →A54SX72A-2FGG256
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$217.72 / Unit
View Datasheet →A54SX32A-FGG256A
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$295.2 / Unit
View Datasheet →A54SX72A-FGG256A Maximum Ratings & Electrical Characteristics
| Family | SX-A (Antifuse FPGA) |
| System Gates | 108000 |
| Typical Usable Gates | 72000 |
| Number of I/O | 203 |
| Logic Cells / Modules | 4024 cells |
| Maximum System Frequency | 217 MHz |
| Process Technology | 0.25 um |
| Supply Voltage | 2.25 V to 5.25 V |
| Core Voltage | 2.5 V |
| Programming Technology | Antifuse (one-time programmable) |
| Operating Temperature | -40C to +125C |
| Package | 256-BGA (17x17 mm FPBGA) |
| Mounting Type | Surface Mount |
| Packaging | Tray |
| RoHS Status | RoHS3 Compliant |
| Manufacturer Lead Time | 10 weeks |
| Product Status | Active |
A54SX72A-FGG256A 256-bga (17x17 mm fpbga) Pin Configuration Guide
Complete pinout information for A54SX72A-FGG256A (256-bga (17x17 mm fpbga) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for A54SX72A-FGG256A.
Refer to the datasheet for full pin configuration.
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
A54SX72A-FGG256A is suitable for 6 applications: Industrial Control and Automation, Communications and Networking Equipment, Aerospace and Defense Secure Logic, ASIC Prototyping and Bridge Logic, Single-Chip Logic Integration (BOM Reduction), Medical Instrumentation Control Logic.
Industrial Control and Automation
The A54SX72A-FGG256A fits industrial control systems that need to consolidate PLC glue logic, motor-control interface logic, and bus bridging into one deterministic device. Its 108,000 system gates and 4024 logic cells absorb counter/timer arrays, encoders, and state machines that would otherwise occupy several CPLDs, while the 217 MHz fabric speed comfortably handles 100 MHz-class interface timing. Because the antifuse configuration is non-volatile and immune to configuration upset, boards power up instantly with no bootloader, an advantage in factory equipment that must resume operation after power cycles. Industrial -40C to +125C temperature coverage on the I-suffix variants supports cabinet-mounted electronics.
Recommended
Communications and Networking Equipment
In networking line cards and backplane interface boards, the A54SX72A-FGG256A serves as high-speed glue logic between PHYs, MACs, and processors. The quadrant clock architecture (CLKA, CLKB and QCLK per the SX-A datasheet) supports multiple clock domains typical of telecom designs, and 203 user I/Os cover wide parallel data buses at 217 MHz-class speeds. The antifuse fabric adds no configuration-readout risk in carrier equipment, and low static power reduces shelf power draw across card populations. The 17x17 mm 256-BGA footprint suits high-density line-card layouts where SRAM FPGAs with boot flash would consume excess area.
Recommended
Aerospace and Defense Secure Logic
Defense electronics favors the A54SX72A-FGG256A because its one-time-programmable antifuse configuration cannot be dumped or altered, providing inherent design security that SRAM FPGAs cannot match without additional encryption overhead. The M-suffix (A54SX72A-FGG256M) extends temperature coverage for harsh environments, and the related RT54SX72S demonstrates the same die in radiation-tolerant form for space programs. With 108K gates, the device integrates crypto-adjacent interface logic, bus controllers, and telemetry formatting. Designers must complete full simulation before programming since no field update is possible - a trade accepted for configuration integrity.
Recommended
ASIC Prototyping and Bridge Logic
Before committing to an ASIC tape-out, engineering teams map control logic onto the A54SX72A-FGG256A for system validation. The 0.25 um antifuse process delivers 217 MHz performance close to ASIC timing behavior, so prototype timing correlates better with final silicon than SRAM FPGA prototypes typically allow. Its 72,000 typical usable gates host mid-size controller blocks, and the fixed post-programming netlist eliminates prototype-to-prototype variation. Teams should reserve the device for final-stage prototypes, since each design iteration consumes a new programmed unit - an acceptable cost against the timing fidelity gained.
Recommended
Single-Chip Logic Integration (BOM Reduction)
The A54SX72A-FGG256A replaces dozens of 74-series devices, PALs, and small CPLDs in legacy board redesigns. Microchip positions SX-A devices explicitly for system-wide savings by integrating multiple functions into a low-cost single-chip solution. With 108,000 gates and 203 I/Os, one 17x17 mm BGA can absorb address decoders, interrupt controllers, bus transceivers logic, and sequencers, shrinking PCB area, cutting assembly cost, and improving mean time between failures by removing interconnect solder joints. Non-volatile antifuse configuration removes the external configuration flash that SRAM FPGA consolidations still require.
Recommended
Medical Instrumentation Control Logic
Medical diagnostic and monitoring equipment uses the A54SX72A-FGG256A for deterministic interface logic between sensors, acquisition front ends, and host processors. The -40C to +125C industrial rating exceeds medical ambient requirements with margin, and instant-on antifuse configuration ensures instruments are ready the moment power is applied - important for point-of-care devices. The 203 I/Os connect parallel sensor arrays and display interfaces, while the 217 MHz fabric supports real-time filtering and trigger logic. Design security from one-time programming also protects proprietary signal-processing implementations embedded in the fabric.
Recommended
Recommended Products Summary
Engineering reference data for A54SX72A-FGG256A — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX72A-FGG256I | A54SX72A-FGG256M | A54SX72A-1FGG256 | A54SX32A-FGG256A |
|---|---|---|---|---|---|
| Package | 256-BGA (17x17 mm) | 256-BGA - same | 256-BGA - same | 256-BGA - same | 256-BGA - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 108000 | 108000 | 108000 | 108000 | ~40000 |
| User I/O | 203 | 203 | 203 | 203 | [DATA_NEEDED] |
| Max System Frequency | 217 MHz | [DATA_NEEDED] | [DATA_NEEDED] | Lower speed bin (derated) | [DATA_NEEDED] |
| Supply Voltage | 2.25 V to 5.25 V | 2.25 V to 5.25 V | 2.25 V to 5.25 V | 2.25 V to 5.25 V | 2.25 V to 5.25 V |
| Operating Temperature | -40C to +125C | -40C to +125C (I grade) | Extended (M grade) | [DATA_NEEDED] | [DATA_NEEDED] |
| Price (Qty 1, as of 2026-09-03) | $185.50 | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
Key Differentiators
- Highest gate count in the SX-A 256-BGA family (vs A54SX32A-FGG256A)
- Non-volatile secure antifuse configuration (vs SRAM FPGAs (e.g., Xilinx/Intel equivalents))
- Multiple speed/temperature bins in identical footprint (vs A54SX72A-FGG256I / A54SX72A-2FGG256)
Design Notes
The A54SX72A-FGG256A is one-time programmable antifuse silicon - once programmed, the design cannot be changed or read back. Complete all functional simulation, timing closure, and I/O verification in Microchip Libero/Microsemi Designer before releasing the fusemap to programming. Maintain strict revision control of the programming file, and order extra units to cover iterations during bring-up, since each design change consumes a new device.
Design the power tree around a nominal 2.5 V core supply (permitted range 2.25 V to 5.25 V per Microchip documentation). Antifuse FPGAs draw very low static current, but transient current scales with clock activity up to 217 MHz - apply bulk capacitance plus 0.1 uF ceramic decoupling at each VCC ball group per the SX-A datasheet power-supply guidance. Run the Libero power estimator with worst-case toggle rates rather than relying on typical figures for regulator sizing.
With 203 user I/Os in a 17x17 mm 256-BGA and possible operation into the hundreds of MHz, control edge rates and match trace lengths on parallel buses. Use the quadrant clock resources (CLKA, CLKB, QCLK) as intended - distribute each major clock domain to its quadrant to minimize clock skew, as described in Microchip's A54SX72A quadrant clocks application note. Simultaneous-switching output analysis is advised when driving wide buses from one bank.
Compliance Information
RoHS3 compliant per Microchip USA product listing. Active product status with 10-week manufacturer lead time. REACH and conflict minerals status not stated in provided data.
