Bus Transceiver, TTL/H/L Series, 1-Func, 8-Bit, Inverted Output, TTL, CDIP20, HERMETIC SEALED, CERDIP-20
Registered Bus Transceiver, TTL/H/L, 4-Bit, 36ns, 20-Pin DIP
DMA Generator, 8-Bit, TTL, CDIP28, HERMETIC SEALED, CERDIP-28