- DM74LS55
2-Wide, 4-Input AND-OR-INVERT Gate - DM74LS55J
4/4-input AND-NOR Gate - DM74LS55J/A+
4/4-input AND-NOR Gate - DM74LS55M
2-Wide, 4-Input AND-OR-INVERT Gate - DM74LS55M14A
2-Wide, 4-Input AND-OR-INVERT Gate - DM74LS55N
2-Wide, 4-Input AND-OR-INVERT Gate - DM74LS55N/A+
4/4-input AND-NOR Gate - DM74LS55N/B+
4/4-input AND-NOR Gate - DM74LS55N14A
2-Wide, 4-Input AND-OR-INVERT Gate - DM74LS55W
4/4-input AND-NOR Gate