A54SX32A-2FG256

Overview

The A54SX32A-2FG256 is a Field Programmable Gate Array from the SX-A family, fabricated using 0.22 μm / 0.25 μm CMOS antifuse technology. It provides 48,000 typical system gates and supports up to 203 user-programmable I/O pins within a 256-pin Fine Pitch Ball Grid Array (FBGA) package. The device achieves a maximum internal clock frequency of 350 MHz with a system performance rating of 250 MHz. It operates at supply voltages of 2.5 V, 3.3 V, or 5 V, featuring mixed-voltage operation with 5 V input tolerance.

Feature Summary

• Supports hot-swap compliant I/Os allowing power-up/down without voltage sequencing requirements
• Provides deterministic timing through unique in-system diagnostic capabilities via Silicon Explorer II
• Includes Actel Secure Programming Technology with FuseLock to prevent reverse engineering
• Features configurable weak-resistor pull-up or pull-down for I/O states during power-up

Applications

• 66 MHz PCI compliant single-chip solutions
• High-performance state machines and fast counters
• Data path logic requiring low capacitance interconnect
• Systems requiring mixed-voltage interface compatibility

Procurement Notes

Verify the specific ordering suffix against the manufacturer's current datasheet to confirm package type, speed grade, and temperature range. Confirm RoHS compliance status as standard packaging may differ from lead-free options. Check for any Product Change Notifications regarding manufacturing updates or discontinuation notices before finalizing procurement plans.

Selection Notes

Select this model when 48,000 system gates and 203 I/Os are required in a compact FBGA form factor. Ensure the design utilizes the 250 MHz system performance target. Verify that the application environment matches the specified temperature grade and that the 2.5 V/3.3 V/5 V mixed-voltage capability aligns with system interface requirements.

Part Context

This component belongs to the Actel SX-A family of FPGAs, which utilize metal-to-metal programmable antifuse interconnect elements. The architecture employs a sea-of-modules design with DirectConnect and FastConnect routing resources to minimize signal propagation delays and maximize resource utilization.

Replacement Considerations

Consult the official SX-A Family datasheet for cross-reference information. Verify pinout compatibility and logical equivalence if substituting with other devices in the A54SX32 series or newer Microchip FPGA families.