( 2 PCS )DM74H21N , Logic Circuit, Dual 4-Input AND, H-TTL, 14 Pin, Plastic, DIP

MM74C08N Original National Semiconductor AND Gate

DM74LS193N, (Lot of 10 ), Original NATIONAL SEMICONDUCTOR NOS. ( 1985 ).

NATIONAL SEMICONDUCTOR 74LS21 DUAL 4-INPUT AND GATE, DIP-14, QTY 5, VINTAGE NEW

(5 PCS) DM74ALS27N, National Semiconductor, Triple 3-Input NOR Gate, 14-PDIP

DM74S138N Original New National Semiconductor

2x DM74ALS00AN NATIONAL SEMICONDUCTOR IC GATE NAND QUAD 2 INPUT 14 PIN DIP

National Semiconductor DM74LS32N PDIP-14 ORIGINAL OEM PARTS