A54SX32A-1CQ84

Overview

The A54SX32A-1CQ84 is a high-reliability Field Programmable Gate Array from the HiRel SX-A family, manufactured by Microchip Technology. It provides 48,000 system gates and supports up to 62 user-programmable I/O pins within an 84-pin Ceramic Quad Flat Pack (CQFP) package. The device operates at a standard speed grade with a maximum internal performance of 240 MHz and a clock-to-out time of 5.3 ns under military temperature conditions (-55°C to +125°C). It utilizes 0.25/0.22 µ CMOS process technology and supports mixed voltage operation including 2.5 V, 3.3 V, and 5 V supplies.

Feature Summary

• Military-grade reliability with QML certification and MIL-STD-883 Class B screening
• Nonvolatile antifuse architecture providing deterministic timing and design security
• Hot-swap compliant I/Os allowing safe insertion into active systems without power sequencing
• Integrated in-system diagnostic capabilities via Silicon Explorer II boundary scan testing

Applications

• High-reliability military avionics and defense systems
• Spacecraft electronic subsystems requiring radiation tolerance alternatives
• Industrial control systems demanding long-term component stability
• Prototyping platforms for RadTolerant (RT) designs

Procurement Notes

Verify that the specific ordering suffix corresponds to the required speed grade and application temperature range. Confirm compliance with export regulations such as ITAR or EAR if applicable. Ensure the ceramic package variant matches the thermal and mechanical requirements of the target assembly process. Check for current production status and availability through authorized Microchip distributors.

Selection Notes

Select this device when a nonvolatile FPGA solution is required for high-speed logic processing in extreme environments. The 48,000 gate capacity suits moderate complexity designs needing fast prototyping cycles. Consider the CQFP package constraints for board space and thermal management. Evaluate the mixed-voltage I/O flexibility against system interface requirements to maximize pin utility.

Part Context

This component belongs to the Actel HiRel SX-A family of FPGAs, which are designed for high-reliability applications. The family includes variants like the A54SX72A with higher gate counts. The 'A' suffix denotes the SX-A generation, while 'CQ84' specifies the 84-pin ceramic package. These devices bridge the gap between commercial FPGAs and specialized radiation-tolerant parts.

Replacement Considerations

Direct replacements within the same family include other A54SX32A variants with different packages or speed grades. For higher capacity needs, the A54SX72A series offers increased logic resources. Cross-family migration to newer Microchip FPGA architectures requires significant design re-verification due to architectural differences.