A54SX32A-1PQ208M

Overview

The A54SX32A-1PQ208M is a nonvolatile Field Programmable Gate Array (FPGA) from the Microchip SX-A family, fabricated using 0.22 μm / 0.25 μm CMOS antifuse technology. It provides 48,000 system gates and features a sea-of-modules architecture with 2,880 Combinatorial Logic Blocks (CLBs). The device supports up to 174 user-programmable I/Os within a 208-pin Plastic Quad Flat Pack (PQFP) package. Operating at speed grade -1, it delivers approximately 15% faster performance than standard grades, achieving up to 250 MHz system performance. It operates on supply voltages of 2.5 V, 3.3 V, or 5 V, supporting mixed-voltage operation with 5 V input tolerance.

Feature Summary

• Nonvolatile single-chip solution utilizing metal-to-metal programmable antifuse interconnect elements for permanent configuration without external memory.
• Supports hot-swap compliant I/Os allowing insertion into active systems without power sequencing requirements for supply voltages.
• Includes dedicated routing resources such as DirectConnect and FastConnect to minimize signal propagation delays and ensure deterministic timing.
• Compliant with IEEE Standard 1149.1 (JTAG) for boundary-scan testing and diagnostic verification capabilities.

Applications

• High-performance logic integration replacing complex programmable logic devices (CPLDs)
• PCI-compliant interface designs requiring 66 MHz bus speeds
• Systems requiring deterministic timing and high-speed counters or state machines

Procurement Notes

Verify component authenticity through authorized Microchip Technology distributors. Confirm that the ordering suffix matches the required speed grade (-1), package type (PQFP), and temperature range (Commercial). Check for specific packaging designations such as lead-free options if RoHS compliance is mandated for the assembly process.

Selection Notes

Select this model when 48,000 system gates are sufficient for the design logic. The -1 speed grade offers a balance between performance and cost compared to higher speed grades. Ensure the application utilizes the PQFP-208 footprint constraints and requires the specific I/O count available in this package variant. Verify voltage domain compatibility for mixed 2.5V/3.3V/5V operations.

Part Context

This component belongs to the Actel SX-A family of FPGAs, which were originally developed by Actel Corporation before being acquired by Microsemi and subsequently Microchip Technology. The SX-A series is characterized by its antifuse-based nonvolatile architecture, distinguishing it from volatile SRAM-based FPGAs. This specific part represents a mid-range capacity device within the family, positioned between the A54SX16A and A54SX72A models.

Replacement Considerations

Direct pin-compatible replacements within the same package and speed grade may include other variants from the A54SX32A series with different suffixes, provided they match the electrical specifications. Cross-family migration to newer Microchip PolarFire or IGLOO families requires schematic redesign due to architectural differences.