x8 Dual-Port SRAM 100V 100kRad Hi-Rel Single N-Channel TID Hardened MOSFET in a SMD-2 package; Similar to IRHNA57160 with optional Total Dose Rating of 300kRads 100V 100kRad Hi-Rel Single N-Channel TID Hardened MOSFET in a SMD-2 package; A IRHNA57160 with Standard Packaging