Support is limited to customers who have already adopted these products. The Intersil HCTS86MS is a Radiation Hardened Quad 2-Input Exclusive OR Gate. A high on any one input exclusively will change the output to a High state. The HCTS86MS 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 HCTS86MS is supplied in a 14 lead Ceramic flatpack (K suffix) or a SBDIP Package (D suffix).