Registered Bus Transceiver, TTL/H/L Series, 1-Func, 4-Bit, Inverted Output, TTL, CDIP20, HERMETIC SEALED, CERDIP-20
40-Pin DIP Military-Grade 16-Bit Programmable Timer IC
Parallel I/O Port, 8-Bit, 8 I/O, CMOS, CDIP28, HERMETIC SEALED, CERDIP-28
