Compuertas lógicas TTL

74LS00N 2 Input NAND

74LS02N 2 Input NOR

74LS03N 2 Input NAND – OCO*

74LS04N 1 Input NOT

74LS05N 1 Input NOT – OCO*

74LS08N 2 Input AND

74LS10N 3 Input NAND

74LS11N 3 Input AND

74LS14N 1 Input NOT – Schmitt Triggers

74LS20N 4 Input NAND

74LS21N 4 Input AND

74LS27N 3 Input NOR

74LS32N 2 Input OR

74LS86N 2 Input XOR

74LS266N2 Input NOR – OCO*

* OCO → Open Colector