A54SX72A-FFG484 - 108K-Gate SX-A FPGA 360 I/O | Microchip
MPN: A54SX72A-FFG484 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $169.53 | $169.53 |
| 10 | $161.05 | $1,610.50 |
| 100 | $152.58 | $15,258.00 |
| 500 | $144.1 | $72,050.00 |
| 1,000 | $135.63 | $135,630.00 |
Drop-in alternatives for A54SX72A-FFG484 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX72A-FFGG484
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View Datasheet →A54SX72A-FFG484 Maximum Ratings & Electrical Characteristics
| Family | SX-A (Actel/Microsemi antifuse FPGA) |
| System Gates | 108000 |
| Logic Cells / CLBs | 6036 |
| Maximum System Frequency | 156 MHz |
| User I/O | 360 |
| Supply Voltage | 2.25 V to 5.25 V |
| Process Technology | 0.25 um CMOS |
| Programmability | Antifuse (one-time programmable) |
| Operating Temperature | 0C to +70C |
| Package | 484-BGA FBGA, 27x27 mm, 1 mm pitch |
| Mounting Type | Surface Mount |
| Packaging | Tray |
| RoHS Status | Non-compliant (FFG variant); -FFGG variant is ROHS3 compliant |
| Manufacturer Lead Time | 36 weeks |
| Product Status | Active |
A54SX72A-FFG484 484-bga fbga, 27x27 mm, 1 mm pitch Pin Configuration Guide
Complete pinout information for A54SX72A-FFG484 (484-bga fbga, 27x27 mm, 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-FFG484.
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-FFG484 is suitable for 6 applications: Aerospace Secure Logic, Industrial Control Logic, Communication Protocol Bridging, ASIC Prototyping, Legacy System Sustainment, Test & Measurement Instrumentation.
Aerospace Secure Logic
The A54SX72A-FFG484 fits aerospace and defense logic because its antifuse interconnect is permanently programmed and cannot be read back, eliminating configuration-readout attacks that affect SRAM FPGAs. The 108K system gates and 6,036 CLBs absorb bus interface, telemetry formatting, and protocol bridging functions that would otherwise need multiple ASICs. Because no boot PROM is required, the board powers up functional within microseconds - valuable in systems with strict time-to-first-fix or time-to-valid-output budgets. Designers should select the appropriate temperature grade (commercial FFG for benign environments) and confirm screening with Microchip for flight programs.
Recommended
Industrial Control Logic
In industrial automation, the A54SX72A-FFG484 consolidates glue logic, state machines, and bus arbitration into one 484-FBGA device operating from a 2.25 V to 5.25 V supply that matches legacy 3.3 V and 5 V backplanes. The 360 user I/O directly drive encoder interfaces, relay-control sequencing, and parallel data paths without external buffers. The antifuse fabric delivers deterministic timing across 156 MHz system operation, simplifying worst-case timing closure on safety-related interlocks. Since the device is one-time programmable, production units are immune to bitstream corruption from industrial EMI - a real failure mode for SRAM-based FPGAs in high-noise factory floors.
Recommended
Communication Protocol Bridging
The 156 MHz maximum system frequency and 6,036 CLBs let the A54SX72A-FFG484 implement parallel-to-serial bridges, multi-protocol framers, and backplane interfaces between legacy parallel buses and modern serial links. The 360 I/O support wide data buses (32/64-bit) that modern FPGAs serialize into fewer, faster pins - preserving compatibility with established board designs. Deterministic antifuse routing produces consistent latency, which matters for frame-synchronized communication systems. Designers implement the bridge in Libero SoC using Verilog/VHDL, verify timing at the speed grade, and program production devices with a frozen fuse file.
Recommended
ASIC Prototyping
The SX-A family's 108K-gate density and predictable antifuse timing make the A54SX72A-FFG484 practical for ASIC prototyping and low-volume emulations where netlist timing must mirror final silicon behavior. Multiple devices can be partitioned across a prototype board, using the 360 I/O per device to expose internal buses on headers for instrumentation. Because configured devices are permanent, prototype builds validate exactly the fuse image that will ship, avoiding the configuration-mismatch risk of SRAM prototypes. Teams typically reserve the FFG (commercial, lead-bearing) grade for internal lab prototypes and specify FFGG for customer-facing RoHS-compliant prototypes.
Recommended
Legacy System Sustainment
Mature avionics, test equipment, and telecom platforms originally built around Actel SX-A devices rely on the A54SX72A-FFG484 for lifetime sustainment. Because Microchip continues the SX-A line as active, boards can be re-populated with the same die rather than redesigned onto modern FPGAs. The identical 484-FBGA pinout across FFG, FG, FGG, and I/M grades lets buyers swap finish or temperature variants without PCB changes - critical when original tooling is gone. Note the RoHS non-compliant FFG finish requires lead exemption documentation in regulated markets; the FFGG484 is the compliant substitute with the same footprint and timing.
Recommended
Test & Measurement Instrumentation
Instrument makers use the A54SX72A-FFG484 for timing generators, trigger logic, and data-path formatting where deterministic antifuse delays improve measurement repeatability. The 6,036 CLBs and 156 MHz ceiling cover nanosecond-resolution trigger engines, while the 360 I/O interface ADC buffers, display controllers, and external sync connectors on a single device. The 2.25 V to 5.25 V supply range simplifies integration into instruments with mixed legacy rails. Bench instruments also benefit from OTP determinism: every unit programs to the identical fuse image, so unit-to-unit timing skew stays within package and process tolerances specified in the SX-A datasheet.
Recommended
Recommended Products Summary
Engineering reference data for A54SX72A-FFG484 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX72A-FFGG484 | A54SX72A-FG484A | A54SX72A-FG484I | A54SX72A-FG484M |
|---|---|---|---|---|---|
| Package | 484-FBGA (27x27 mm, 1 mm pitch) | 484-FBGA - same | 484-FBGA - same | 484-FBGA - same | 484-FBGA - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 108000 | 108000 | 108000 | 108000 | 108000 |
| CLBs | 6036 | 6036 | 6036 | 6036 | 6036 |
| User I/O | 360 | 360 | 360 | 360 | 360 |
| Max Frequency | 156 MHz | 156 MHz | 156 MHz | [DATA_NEEDED] | [DATA_NEEDED] |
| Operating Temperature | 0C to +70C | 0C to +70C | 0C to +70C | -40C to +85C (industrial) | Military grade range |
| RoHS Status | Non-compliant | ROHS3 compliant | [DATA_NEEDED] | [DATA_NEEDED] | [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 |
Key Differentiators
- RoHS-compliant drop-in available on identical footprint (vs A54SX72A-FFGG484)
- Extended temperature coverage in same package (vs A54SX72A-FG484I)
- Deterministic antifuse fabric vs flash alternatives (vs AX500-FG484)
Design Notes
The SX-A is one-time programmable (antifuse). Freeze the design in Libero SoC - complete synthesis, place-and-route, static timing analysis at the FFG speed grade, and simulation against the post-layout netlist - before programming any production device. Programming an unverified fuse file cannot be undone, and the device must be scrapped. Keep a checksum of the programming file in your build system to guarantee unit-to-unit traceability.
Supply range is 2.25 V to 5.25 V, but design your rail at the system nominal (typically 3.3 V) with at least 0.1 uF ceramic decoupling per power ball pair plus bulk capacitance at the FBGA's perimeter. Because the FFG variant uses a lead-bearing ball finish, set reflow profiles to leaded (SnPb) eutectic parameters; the FFGG drop-in requires a lead-free profile - do not mix profiles when substituting during assembly.
Estimated: at typical industrial logic utilization (roughly 200-400 mW core static plus dynamic I/O loading on 360 pins), a 27x27 mm FBGA on a standard 4-layer board stays well within commercial 0-70 C limits without heatsinking. For the -I or -M grades in sealed enclosures, verify junction temperature with the package theta-JA from the SX-A datasheet mechanical section and derate I/O drive simultaneously.
Compliance Information
Per Microchip USA: A54SX72A-FFG484 RoHS non-compliant, 36-week manufacturer lead time, Tray packaging, Active status. The A54SX72A-FFGG484 variant is ROHS3 compliant.
