A54SX72A-1FGG256I - 108K Gate FPGA, 250MHz | Microchip
MPN: A54SX72A-1FGG256I ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 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 |
Drop-in alternatives for A54SX72A-1FGG256I — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX72A-2FGG256I
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View Datasheet →A54SX72A-1FGG256M
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View Datasheet →A54SX72A-1FGG256
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View Datasheet →A54SX72A-FGG256I
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View Datasheet →A54SX72A-1FG256I
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View Datasheet →A54SX72A-2FG256I
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View Datasheet →A54SX72A-1FGG256I Maximum Ratings & Electrical Characteristics
| 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 |
| Operating Temperature | -40C to +85C (Industrial) |
| Package | 256-Ball FBGA (1 mm pitch) |
| Mounting Type | Surface Mount |
| RoHS Status | 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) Pin Configuration Guide
Complete pinout information for A54SX72A-1FGG256I (256-ball fbga (1 mm pitch) 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-1FGG256I.
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-1FGG256I is suitable for 6 applications: 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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
Recommended Products Summary
Engineering reference data for A54SX72A-1FGG256I — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | 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 |
Key Differentiators
- Instant-on antifuse configuration (vs SRAM-based FPGAs (e.g., Xilinx/Altera equivalents))
- Higher logic capacity than A54SX32A in a similar footprint class (vs A54SX32A-FGG256I)
- Military-temperature pin-compatible upgrade path (vs A54SX72A-1FGG256M)
Design Notes
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.
Compliance Information
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.
