A54SX32A-1CQ256

Overview

The A54SX32A-1CQ256 is a HiRel SX-A Field Programmable Gate Array featuring 48,000 system gates and 2,880 logic modules. It operates at a maximum internal frequency of 240 MHz with a pin-to-pin clock-to-out delay of 5.3 ns in military temperature ranges. The device utilizes a 0.25/0.22 µ CMOS process and supports mixed-voltage operation at 2.5 V, 3.3 V, and 5 V with 5 V input tolerance. It is housed in a 256-pin Ceramic Quad Flat Pack (CQFP) package, providing up to 228 user-programmable I/O pins.

Feature Summary

• Military-grade reliability with QML certification and MIL-STD-883 Class B compliance
• Nonvolatile antifuse architecture ensuring deterministic timing and design security
• Hot-swap compliant I/Os supporting cold-sparing applications without voltage sequencing
• Integrated Silicon Explorer II for in-system diagnostic and boundary scan testing

Applications

• High-reliability military avionics systems
• Spacecraft embedded processing units
• Defense communication infrastructure
• Industrial control systems requiring radiation tolerance

Procurement Notes

Verify the specific ordering suffixes against the manufacturer's current datasheet to confirm package type and temperature range. Ensure compatibility with Actel Designer or Libero IDE tools for programming. Confirm that the ceramic package meets the mechanical requirements of the target assembly environment.

Selection Notes

Select this component when nonvolatile configuration and high-speed performance are required in harsh environments. The -1 speed grade offers approximately 15% faster performance than standard grades. Verify that the 256-pin CQFP footprint aligns with the PCB layout constraints and thermal management strategy.

Part Context

This part belongs to the HiRel SX-A family, designed for high-reliability applications including military and space sectors. It serves as a robust alternative to SRAM-based FPGAs by eliminating configuration bitstreams and offering superior anti-tamper protection through its antifuse technology.

Replacement Considerations

Direct replacements within the same family include other A54SX32A variants with different speed grades or packages. For higher capacity needs, consider the A54SX72A series, which maintains pin compatibility but offers increased system gates and additional quadrant clocks.