Microchip Technology (NASDAQ: MCHP) has reported early radiation-testing and customer-evaluation milestones for its PIC64-HPSC processor series, giving civil and defense space programs new evidence about a computing platform created from NASA and Jet Propulsion Laboratory requirements. The 64-bit multicore RISC-V chips are intended to put more processing aboard spacecraft, where mission teams can act on sensor data without relying as heavily on constrained communications links.
The update matters because onboard computing has become a limiting factor as satellites and other spacecraft take on more autonomous, software-defined and data-intensive work. Microchip said the PIC64-HPSC1000-RH radiation-hardened variant reached 200 krad(Si) in Total Ionizing Dose testing and completed Single Event Latch-up testing to 78.2 MeV·cm²/mg under specified operating conditions. It also reported no uncorrected errors or external resets in the system controller during the Single Event Effects work completed so far.
Those results are progress indicators, not a blanket certification for every mission. Microchip did not provide an overall spaceflight qualification date, pricing or a list of government customers. Still, the tests address a practical procurement question: whether a higher-performance processor is making measurable progress toward the radiation-tolerance requirements of a specific mission.
PIC64-HPSC uses a 64-bit multicore RISC-V architecture. Microchip positions that architecture as a foundation for more open and scalable models for onboard autonomy, software-defined spacecraft, distributed processing, deterministic communications and heterogeneous computing. The company said the platform is intended for onboard autonomy, high-performance payload processing, Earth observation and intelligence, secure communications, spacecraft control, scientific exploration and edge AI.
The company has made silicon and development kits available to selected participants through an early-access program. It said those users are beginning application development with supporting software, tools, engineering assistance and board-level options from partners developing VPX and VNX+ computing platforms. That activity does not establish deployment on an operational spacecraft, but it can allow mission developers to test software and integration choices before hardware is committed to a flight program.
For a public-sector space program, the potential benefit is not simply faster processing. A satellite that can screen imagery, prioritize telemetry or run selected autonomy functions onboard may send fewer raw data streams to the ground and shorten the time between collection and a mission response. For example, a civil Earth-observation mission could potentially process sensor data aboard a satellite to identify priority observations for downlink when contact time and bandwidth are limited. That is an illustrative use case, not a deployment Microchip identified.
The program’s government connection is direct. Microchip said NASA and JPL assessed future spaceflight-computing requirements and awarded the original High-Performance Spaceflight Computing contract to the company in 2022. The company also cited NASA’s fiscal 2026 Civil Space Shortfall Prioritization, which ranked advanced onboard computing for space operations as the third-highest civil-space technology shortfall.
For government technology leaders, the development is significant because it moves a NASA-originated processor platform from requirements and design toward measurable radiation characterization, available silicon and early software work. Agencies and contractors will still need mission-specific validation, board integration and assurance evidence before relying on it in flight. But more capable onboard processing could change how future spacecraft allocate bandwidth, autonomy and ground-system workloads—provided the platform’s remaining qualification work matches each program’s risk tolerance.