2 x HEF4078BP 8-input NOR gate DIP-14

DM74LS08N DIP14 National Semiconductor

74HC02D SO14 Portes logiques NOR

74HC02 ON 74HC02A Quad NOR Gate SO14

MM74HC08N - QUAD 2-INPUT AND GATE - CI - DIP-14 - NATIONAL SEMICONDUCTOR

HCF4001BE DIP14 STMICROELECTRONICS 4 portes NOR à 2 Entrées

MM74HC02N - CI - QUADRUPLE PORTES NOR 2 ENTRÉES - DIP-14 -NATIONAL SEMICONDUCTOR

SM7440N - CI - DUAL 4-INPUT POSITIVE NAND BUFFERS -DIP-14-NATIONAL SEMICONDUCTOR