A54SX32A-FFGG484 - 32K Gate SX-A FPGA 484-FBGA | Microchip
MPN: A54SX32A-FFGG484 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $185 | $185.00 |
| 10 | $168.5 | $1,685.00 |
| 100 | $152 | $15,200.00 |
| 500 | $141 | $70,500.00 |
| 1,000 | $132.5 | $132,500.00 |
Drop-in alternatives for A54SX32A-FFGG484 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
A54SX32A-1FGG484
✅ Drop-In✓ In Stock
$1 / Unit
View Datasheet →A54SX32A-FFGG484I
✅ Drop-In📋 Reference alternative (not in catalog)
A54SX32A-FGG484
✅ Drop-In✓ In Stock
$151.2 / Unit
View Datasheet →A54SX32A-FGG484M
✅ Drop-In📋 Reference alternative (not in catalog)
A54SX72A-2FGG484I
✅ Drop-In✓ In Stock
$112 / Unit
View Datasheet →A54SX32A-FFGG484 Maximum Ratings & Electrical Characteristics
| Family | SX-A (Actel/Microsemi antifuse FPGA) |
| System Gates | 32000 gates (typical available for user design) |
| Equivalent Gates | 48000 gates |
| Logic Cells | 1800 cells |
| LABs / CLBs | 2880 |
| User I/O | 249 |
| Maximum System Frequency | 172 MHz |
| Process Technology | 0.25 um CMOS |
| Supply Voltage Range | 2.25 V to 5.25 V |
| Core Voltage | 2.5 V |
| Programming Technology | Antifuse (one-time programmable) |
| Package | 484-ball FBGA (FFGG484, 27 x 27 mm) |
| Mounting Type | Surface Mount |
| Operating Temperature | 0 C to 70 C (commercial) |
| Packaging | Tray |
| RoHS Status | Lead-free variant available (per supplier listings) |
| Base Product Number | A54SX32 |
A54SX32A-FFGG484 484-ball fbga (ffgg484, 27 x 27 mm) Pin Configuration Guide
Complete pinout information for A54SX32A-FFGG484 (484-ball fbga (ffgg484, 27 x 27 mm) 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 A54SX32A-FFGG484.
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
A54SX32A-FFGG484 is suitable for 6 applications: Industrial Automation Controllers, Military and Aerospace Subsystems, Telecommunications Line Cards, Legacy System Sustainment, Test and Measurement Equipment, Embedded Coprocessor and Interface Bridging.
Industrial Automation Controllers
The A54SX32A-FFGG484 consolidates glue logic, address decoding, bus bridging, and state-machine control in industrial PLCs and motor-control backplanes. Its 32,000 system gates and 249 user I/O absorb dozens of 74-series devices, while the 172 MHz maximum fabric speed comfortably handles 50-100 MHz control paths. The antifuse fabric powers up instantly with no configuration PROM, a reliability benefit for factory equipment that must resume operation after power cycles. The 2.25V to 5.25V supply tolerance eases integration onto legacy 5V and 3.3V industrial rails, and the 484-FBGA package provides the high pin count needed for parallel backplane interfaces.
Recommended
Military and Aerospace Subsystems
The SX-A antifuse architecture is a long-standing choice for military cards, avionics interfaces, and satellite support electronics because the programmed configuration cannot be read back, providing inherent design security, and it is immune to SRAM-style configuration upset. The A54SX32A's 32K gates fit MIL-STD-1553 interface logic, telemetry formatters, and discrete-to-digital converters. Its 0.25 um CMOS process and permanent antifuse interconnect yield stable, ASIC-like timing over life, simplifying qualification. For extended-temperature programs, the pin-identical industrial variant A54SX32A-FFGG484I covers -40C to +85C without PCB changes.
Recommended
Telecommunications Line Cards
Telecom line cards and backplane adapters use the A54SX32A-FFGG484 for frame formatting, HDLC-like framing logic, clock-domain bridging, and backplane transceiver glue. The 249 I/O pins support wide parallel buses to T1/E1 framers and network processors, while 172 MHz fabric performance covers clock-domain crossing and FIFO control logic. Instant-on antifuse configuration means ports initialize immediately at power-up with no bitstream load time, reducing link-recovery time versus SRAM FPGAs. The 27 x 27 mm 484-FBGA fits dense 19-inch rack card layouts where routing escape demands fine-pitch balls.
Recommended
Legacy System Sustainment
Many designs originally captured in the Actel Designer toolchain still depend on the SX-A family, and the A54SX32A-FFGG484 is a primary sustainment device for those boards. Because the die, package footprint, and pinout are shared across A54SX32A FGG/FFGG speed and temperature grades, buyers can cross between -F, -1, and -I variants to clear shortages without any design change. The permanent antifuse configuration also means fielded units cannot be altered, easing obsolescence risk assessments. XAIPART stocks the related drop-in MPNs listed on this page to support last-time-buy programs and production bridges.
Recommended
Test and Measurement Equipment
Bench instruments and automated test fixtures use the A54SX32A-FFGG484 for scan-chain control, trigger logic, pattern generation, and bus monitoring. The 2,880 LAB fabric with dedicated fast routing delivers deterministic sub-nanosecond-class delays, valuable in timing measurement paths where SRAM FPGA routing jitter is undesirable. Its 48,000 equivalent gates hold vector generators and comparison engines alongside interface translation between PC host buses and device-under-test targets. The 2.5V core keeps dynamic power moderate in rack-dense instruments, while the 249 I/O fan out to probe and relay banks.
Recommended
Embedded Coprocessor and Interface Bridging
Embedded systems pair the A54SX32A-FFGG484 with microcontrollers to offload parallel-interface translation, custom peripherals, and deterministic state machines. With 32,000 system gates, engineers implement FIFOs, interrupt controllers, custom bus masters, and memory controllers that a microcontroller cannot time-serve. The instant-on antifuse fabric is active before processor reset completes, allowing the FPGA to arbitrate early boot signals - impossible with SRAM FPGAs that need bitstream loading. The wide 2.25V to 5.25V supply operation eases integration into mixed-voltage legacy stacks, and the industrial -I variant covers -40C to +85C deployments.
Recommended
Recommended Products Summary
Engineering reference data for A54SX32A-FFGG484 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX32A-1FGG484 | A54SX32A-FFGG484I | A54SX32A-FGG484 | A54SX32A-FGG484M | A54SX72A-2FGG484I |
|---|---|---|---|---|---|---|
| Package | 484-ball FBGA (FFGG484) | 484-FBGA (FGG484) - same footprint | 484-FBGA (FFGG484) - same footprint | 484-FBGA (FGG484) - same footprint | 484-FBGA (FGG484) - same footprint | 484-FBGA (FGG484) - same footprint |
| Brand | Microsemi (Microchip Technology) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 32000 | 32000 | 32000 | 32000 | 32000 | ~60000 |
| User I/O | 249 | 249 | 249 | 249 | 249 | [DATA_NEEDED] |
| Speed Grade | Standard | -1 (faster) | Standard | Standard | Standard | -2 (fastest) |
| Operating Temperature | 0 C to 70 C (commercial) | [DATA_NEEDED] | -40 C to 85 C (industrial) | 0 C to 70 C (commercial) | [DATA_NEEDED] | -40 C to 85 C (industrial) |
| Supply Voltage | 2.25 V to 5.25 V (2.5 V core) | 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 | [DATA_NEEDED] |
| Programming Technology | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) |
| Lead Free / RoHS | Yes (FFGG suffix) | [DATA_NEEDED] | [DATA_NEEDED] | No (FGG leaded variant) | [DATA_NEEDED] | [DATA_NEEDED] |
Key Differentiators
- Lead-free ball metallurgy for RoHS designs (vs A54SX32A-FGG484)
- Instant-on configuration with design security (vs A54SX72A-2FGG484I)
- Faster -1 speed grade available in same footprint (vs A54SX32A-1FGG484)
Design Notes
The A54SX32A supports a 2.25V to 5.25V supply window per distributor data with a 2.5V core, so verify which rail your board provides and decouple each VCC ball with 0.1 uF ceramics placed within 2 mm of the FBGA via fan-out. Antifuse FPGAs draw negligible static configuration current, but dynamic power scales with toggling rate on 249 I/O - for wide parallel buses, stagger output slew settings in Libero to reduce ground bounce. Estimated: at 3.3V with 100 MHz internal activity, expect core current in the tens of milliamps; confirm with the SX-A datasheet power calculator.
The 484-ball FGG484 is a 27 x 27 mm fine-pitch BGA requiring a controlled land pattern per the SX-A datasheet package appendix. Plan via-in-pad or dog-bone escape routing on at least a 4-layer board, and allocate a solid ground plane under the die area for return currents. Note the F (lead-free) versus non-F ball metallurgy difference: reflow profiles must match the ball alloy of the purchased variant - FFGG lead-free parts need lead-free reflow (peak roughly 245 C), while legacy FGG leaded parts suit lower-temperature Sn/Pb profiles.
Antifuse devices are one-time programmable - a design change requires a new physical device, so reserve 20-30% of the 32K gates and a margin of the 249 I/O for late ECOs, and sign off timing in the Microchip Libero/Designer flow before programming production units. Additionally, do not substitute the commercial A54SX32A-FFGG484 into enclosures that can exceed 70C ambient; specify the pin-identical industrial A54SX32A-FFGG484I instead. Speed grades are not interchangeable in timing-critical paths: a -1 design meets timing on a standard part only after re-timing analysis.
Compliance Information
Supplier listings for A54SX32A-FFGG484 explicitly mark the part as LEAD FREE (datasheets.globalspec.com, pcbelectronics.com). REACH, halogen-free, and conflict-minerals status not stated in provided data.
