A54SX72A-FG484A - 108K-Gate Antifuse FPGA, 360 I/O | Microchip
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Drop-in alternatives for A54SX72A-FG484A — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX72A-FGG484A
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View Datasheet →A54SX72A-FG484I
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View Datasheet →A54SX72A-FGG484I
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View Datasheet →A54SX72A-FG484M
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View Datasheet →A54SX72A-FGG484
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View Datasheet →A54SX72A-2FGG484I
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View Datasheet →A54SX72A-FG484A Maximum Ratings & Electrical Characteristics
| Number of System Gates | 108000 |
| Number of Logic Cells | 4024 |
| User I/O | 360 |
| Package | 484-BGA (484FBGA) |
| Supply Voltage | 2.25 V to 5.25 V |
| Operating Temperature | 0C to +70C (TA) |
| Speed Grade | -A (up to 217 MHz) |
| Process Technology | 0.25 um |
| Programmability Type | Antifuse (one-time programmable, non-volatile) |
| Mounting Type | Surface Mount |
| Family | SX-A |
| Packaging | Tray |
| Product Status | Active |
| RoHS Status | RoHS non-compliant (per A54SX72A-FG484 listing; verify grade variant) |
| Global Clock Networks | CLKA, CLKB, QCLK (quadrant clocks) |
A54SX72A-FG484A 484-bga (484fbga) Pin Configuration Guide
Complete pinout information for A54SX72A-FG484A (484-bga (484fbga) 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-FG484A.
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-FG484A is suitable for 6 applications: Glue Logic Integration, Aerospace and Defense Systems, Industrial Automation and Control, Communications and Networking Equipment, Test and Measurement Instrumentation, Secure Embedded Controllers.
Glue Logic Integration
The A54SX72A-FG484A consolidates discrete PAL/GAL/ASSP glue logic into a single 108,000-gate antifuse device, reducing board area and BOM cost. Its 360 user I/O in the 484-FBGA package supports wide address/data buses, and immediate power-up operation from non-volatile antifuse configuration removes boot-time configuration delays. The 2.25V to 5.25V supply tolerance eases integration into mixed-voltage legacy backplanes, making it a cost-effective single-chip replacement for multi-chip TTL/PLD clusters in industrial controllers.
Recommended
Aerospace and Defense Systems
Antifuse FPGAs are favored in aerospace and defense payloads because their one-time-programmed interconnect cannot be read back, upset by configuration errors, or altered in flight. The A54SX72A-FG484A provides 108K gates of secure, non-volatile logic with quadrant clock (QCLK) networks for deterministic timing across submodules. For space programs, Microchip offers the related RT54SX72S radiation-tolerant variant; for defense ground systems the industrial -I grade covers -40C to +85C with the same footprint.
Recommended
Industrial Automation and Control
In factory automation, the A54SX72A-FG484A implements deterministic sequencers, encoder interfaces, and fieldbus glue logic with 217 MHz (-A grade) internal performance. The non-volatile antifuse configuration starts instantly on power-up with no configuration controller, improving system availability, and immunity to configuration readback protects proprietary control IP. The 2.25V to 5.25V operating range supports 5V and 3.3V industrial I/O standards common on PLC backplanes, and the 484-FBGA offers 360 I/O for dense sensor/actuator aggregation.
Recommended
Communications and Networking Equipment
Line cards and telecom backplane adapters use the A54SX72A-FG484A for bus bridging, framer interfacing, and control-plane logic. Multiple global and quadrant clock resources (CLKA, CLKB, QCLK) support multi-domain designs, while the 0.25 um antifuse process delivers low static power compared with SRAM FPGAs of similar capacity. The wide 360-I/O count in 484-FBGA handles parallel PHY interfaces, and one-time programmability guarantees the firmware image is immutable in deployed network hardware.
Recommended
Test and Measurement Instrumentation
Bench and automated test equipment integrates the A54SX72A-FG484A for timing generators, trigger logic, and instrument backplane arbitration. The -A speed grade supports up to 217 MHz internal operation for high-resolution timing functions, and 4,024 logic cells with 360 I/O accommodate pattern generators and capture engines. Non-volatile startup ensures instruments are operational immediately at power-on, and the secure antifuse fabric protects proprietary measurement algorithms from extraction.
Recommended
Secure Embedded Controllers
Applications requiring intellectual-property protection use the A54SX72A-FG484A because antifuse bitstreams cannot be dumped or cloned, unlike SRAM FPGA configuration memories. The device implements secure state machines, authentication glue, and interface translation with zero configuration footprint on the PCB - no serial flash, no load sequencer. With 108K gates and immediate power-up behavior, it suits secure embedded controllers in payment terminals, access-control hardware, and proprietary industrial equipment.
Recommended
Recommended Products Summary
Engineering reference data for A54SX72A-FG484A — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX72A-FGG484A | A54SX72A-FG484I | A54SX72A-FG484 | A54SX72A-FGG484M |
|---|---|---|---|---|---|
| Package | 484-FBGA | 484-FBGA - same | 484-FBGA - same | 484-FBGA - same | 484-FBGA - same |
| Brand | Microchip Technology (Microsemi/Actel) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 108000 | 108000 | 108000 | 108000 | 108000 |
| User I/O | 360 | 360 | 360 | 360 | 360 |
| Operating Temperature | 0C to +70C (A grade) | 0C to +70C | -40C to +85C (industrial) | 0C to +70C | Military grade range |
| Speed Grade | -A (up to 217 MHz) | -A | standard | standard | standard |
| 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 |
| RoHS / Lead-Free | Verify grade variant (FG listed non-compliant) | Lead-free FGG assembly | [DATA_NEEDED] | RoHS non-compliant (per listing) | Lead-free FGG assembly |
| Programmability | Antifuse OTP, non-volatile | Antifuse OTP | Antifuse OTP | Antifuse OTP | Antifuse OTP |
Key Differentiators
- Fastest -A speed grade in the 484-FBGA lineup (vs A54SX72A-FG484)
- Non-volatile security versus SRAM FPGAs (vs A54SX72A-FGG484A)
- Extended temperature availability on same footprint (vs A54SX72A-FG484I)
- Trade-off: one-time programmability (vs SRAM FPGA alternatives)
Design Notes
The A54SX72A-FG484A operates from a 2.25V to 5.25V supply, but antifuse programming requires dedicated VPP/VM programming-voltage balls defined in the SX-A datasheet package tables. Provide clean, low-ESR bulk and 0.1 uF ceramic decoupling at every VCC ball of the 484-FBGA. Estimated: with 360 I/O, allocate decoupling at a ratio of at least one 0.1 uF capacitor per four supply balls to control di/dt ground bounce on wide bus switching.
Antifuse devices are one-time programmable - a design change requires a new physical device. Complete full post-place-and-route timing simulation and verify quadrant clock (QCLK) placement before submitting any unit to programming. Per the SX-A datasheet, A54SX72A quadrant clock usage differs from full-device global clocks (CLKA/CLKB); refer to Microchip's quadrant clocks application notes for the A54SX72A to avoid low-skew violations across clock domains.
The 484-FBGA requires a matched 484-ball land pattern per the SX-A datasheet footprint drawing; all alternatives on this page share the identical footprint, enabling a single PCB layout to source any A54SX72A 484-FBGA grade. Escape routing at 1.0 mm-plus ball pitch allows standard 4-mil trace/space; keep VPP/VM programming nets short and isolated from sensitive I/O to prevent programming-voltage coupling.
Operating temperature for the A grade is 0C to +70C; for environments outside this window select the FG484I (-40C to +85C) or FGG484M variants, which are pin-compatible. Estimated: at moderate gate utilization (under 40%) and low toggle rates typical of glue-logic designs, the 0.25 um antifuse fabric dissipates low static power, but verify with Microchip's power tools for your routed design rather than assuming headroom.
Compliance Information
Microchip USA listing for A54SX72A-FG484 reports RoHS non-compliant. The FGG484A lead-free assembly variant addresses RoHS requirements. Verify certificate of compliance for the exact ordering MPN.
