The Intersil HCS165MS is a Radiation Hardened 8-Bit Parallel- In/Serial-Out Shift Register with complementary serial outputs and an asynchronous parallel load input. The HCS165MS utilizes advanced CMOS/SOS technology to achieve high-speed operation. This device is a member of radiation hardened, high-speed, CMOS/SOS Logic Family. The HCS165MS is supplied in a 16 lead Ceramic flatpack (K suffix) or a SBDIP Package (D suffix).