The Intersil HS-82C54RH is a high performance, radiation hardened CMOS version of the industry standard 8254 and is manufactured using a hardened field, self-aligned silicon gate CMOS process.
Features
Radiation Hardened - Total Dose > 105 RAD (Si) - Transient Upset > 108 RAD (Si)/sec - Latch Up Free EPI-CMOS - Functional After Total Dose 1 x 106 RAD (Si).