Pyramid Semiconductor

Semiconductor ManufacturingCalifornia, United States2-10 Employees

Pyramid Semiconductor is a fabless semiconductor manufacturer focused on high-reliability integrated circuits for demanding applications. Its product lineup includes MIL-STD-1750A processors, SRAMs, EEPROMs, and FCT/FCT-T logic, available in plastic and hermetic ceramic packages. The company outsources wafer fabrication to external foundries in the USA and Taiwan, while die design, testing, assembly, burn-in, marking, and QA are performed in-house at a 10,000-square-foot facility, and it maintains more than 100 Standard Military Drawings with options for custom solutions on short lead times.

Based in Sunnyvale, California, the company was formed in January 2003 through the acquisition of product lines from Performance Semiconductor. Its customers include military, industrial, and commercial users seeking semiconductors for mission-critical systems, including aerospace and defense applications. In December 2025, Pyramid Semiconductor announced partnerships with Majestic12 Electronics and Area51 ESG to expand distribution of its high-reliability devices within the defense electronics ecosystem.

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