WS512K32N-25H1Q

The Microchip Technology WS512K32N-25H1Q is a high-reliability 512K x 32-bit asynchronous static RAM (SRAM) module housed in a hermetic 66-pin ceramic pin grid array (CPGA) package. It organizes 16 megabits as 524,288 words by 32 bits and delivers an access time of 25 ns, enabling deterministic low-latency data throughput in compute-heavy embedded systems. The fully static core eliminates refresh cycles, and the device typically operates from a 5 V supply with power-down standby modes suited to tightly regulated avionics power budgets. The CPGA package incorporates gold-plated Kovar leads that maintain integrity through repeated thermal cycling and mechanical shock, ensuring long-term interconnect reliability in harsh operating environments.

Typical deployment scenarios encompass aerospace flight computers, satellite on-board data handling and payload processors, military radar and electronic warfare subsystems, and safety-critical industrial controllers. This HiRel memory series is commonly procured with screening and conformance testing to MIL-STD-883 or equivalent flows, supporting sustained operation across the full -55°C to +125°C military temperature range. Depending on ordering suffix, radiation-hardened-by-design features such as latch-up immunity and single-event upset mitigation may be integrated. Procurement planning must account for extended factory lead times inherent to fully qualified Class B or Class S semiconductor memory, along with mature process lifecycles that introduce obsolescence risk. Sustaining long-term programs demands early engagement with suppliers, last-time-buy coordination, and qualification of alternate sources or drop-in replacements to protect production continuity.