National MM74C922N/INS8245N 16-key encoder Integrated Circuit

INS8039N-11 8 BIT MICROCONTROLLER 40 PIN DIP NATIONAL - 1pcs

National Semiconductor DM74LS138N INS82LS05N Interface IC Plastic Body

DP8216N (P8216) 4-Bit Bidirectional Bus Driver, INS/DP8216 IC, NSC,DIP-16 [1pcs]

National Semiconductor - P8255 - INS8255N - 40-Pin PPI - 8255 - New Old Stock

INS2651N - NSC - Programmable communications interface

National MM74C912N 6-digit BCD Display Controller

National MM74C912N/INS8248N 6-digit BCD Display Controller Integrated Circuit