A54SX32A-CQ84

Overview

The A54SX32A-CQ84 is a high-reliability Field Programmable Gate Array from the HiRel SX-A family, manufactured by Microchip Technology. It features 48,000 system gates and 1,800 combinatorial cells within a ceramic quad flat pack (CQFP) package with 84 pins. The device supports mixed-voltage operation at 2.5 V, 3.3 V, and 5 V, providing 62 user-programmable I/Os. It achieves a maximum internal performance of 240 MHz and a clock-to-out delay of 5.3 ns under military temperature conditions ranging from –55°C to +125°C.

Feature Summary

• Utilizes metal-to-metal antifuse technology for nonvolatile configuration and deterministic timing.
• Supports hot-swap compliance and cold-sparing capabilities without requiring supply voltage sequencing.
• Includes Silicon Explorer II in-system diagnostic and verification capability via boundary scan testing.
• Features individually configurable output slew rates and power-up pull resistors for robust interface control.

Applications

• Military and aerospace systems requiring radiation tolerance and high reliability
• Spacecraft avionics and satellite communication subsystems
• Defense electronics and secure hardware implementations

Procurement Notes

Verify that the specific ordering suffix matches the required speed grade and package variant. Confirm that the component meets MIL-STD-883 Class B screening requirements if mandated by the design specification. Ensure compatibility with Actel Designer or Libero IDE software tools for programming and verification processes.

Selection Notes

Select this device when a nonvolatile FPGA architecture with low power consumption and high-speed performance is required. Consider the 84-pin CQFP package constraints regarding pin count and thermal dissipation. Evaluate the need for mixed-voltage I/O support and the specific timing requirements of the target application against the 5.3 ns clock-to-out specification.

Part Context

This component belongs to the HiRel SX-A family of FPGAs, which are designed for high-reliability applications. The family includes variants such as the A54SX72A with higher gate counts. These devices share a common architecture featuring segmented routing and direct connect resources for optimized signal propagation.

Replacement Considerations

Direct replacements within the same package and pinout include other speed grades of the A54SX32A series. Cross-family migration to standard commercial SX-A devices requires careful evaluation of environmental specifications and qualification standards.