A54SX72A-CQ208B

The A54SX72A-CQ208B is a radiation-tolerant field-programmable gate array (FPGA) from Microchip Technology’s SX-A family, engineered for high-reliability applications where predictable performance and radiation hardness are critical. Based on a nonvolatile antifuse architecture, this device is inherently immune to single-event upsets (SEUs) and is designed to tolerate high total ionizing dose (TID) levels, making it suitable for environments exposed to cosmic rays and particles. The FPGA offers instant-on capability upon power-up without the need for configuration memory, eliminating the risk of bitstream corruption. Packaged in a 208-lead ceramic quad flat pack (CQFP), it provides robust mechanical and thermal protection while supporting a dense set of user I/Os. The antifuse technology also ensures design security, as reverse engineering the configured logic is extremely difficult.

Typical deployments for this component span satellite payloads, deep-space scientific instruments, launch vehicle avionics, and military communication systems where long mission life and zero field programming failures are mandatory. The SX-A architecture’s deterministic timing and rad-tolerant properties make it a preferred choice for control logic, data processing, and interface bridging in harsh radiation environments. From a procurement standpoint, this part falls under Microchip’s high-reliability product lines, often with export control or ITAR implications depending on final end-use. Design and supply chain teams should assess long-term availability and potential last-time-buy notices, as radiation-hardened FPGAs typically follow managed lifecycle programs. The CQFP package and military-grade screening options (commonly indicated by suffix codes) align with MIL-STD-883 and equivalent aerospace standards, supporting qualification for mission-critical platforms.