One Semiconductor

ONE Semiconductor (원세미콘) is a South Korean fabless semiconductor company based in Suwon, Gyeonggi-do, specializing in memory interface chips for high-speed DRAM modules. The company designs Registering Clock Drivers (RCDs) and Clock Drivers for DDR4 and DDR5 RDIMM, CUDIMM, and CSODIMM memory — products that sit between the memory controller and DRAM chips to boost signal integrity and enable faster, more reliable server memory. Positioning itself as a post-Moore's Law innovator, ONE Semiconductor aims to be a world-class fabless company driving memory-centric computing for the data center and high-performance computing markets.