9-Bit Parity Generator/Checker IC, TTL, 5V, DIP14
4-Bit Inverted Bus Driver, 3-State, DIP20, 5V, TTL
Dual 4-Input NAND Gate, 5V, TTL, PDIP-14
Bus Driver, LS Series, 2-Func, 4-Bit, Inverted Output, TTL, PDIP20, DP-20N
14-Pin Commercial Extended Temperature Dual NAND Gate IC
4-Bit Inverted Bus Driver, 5V, TTL, DIP20
LS SERIES, DUAL 4-INPUT NAND GATE, PDIP14, DP-14
HD74LS290P
HD74S280P