Integrated Circuits Used 74LS00 Procedure Add IC 74LS00 into ICBase-1 (74LS00).Connect VCC Port to Pin-1 (Input) of ICBase-1 (74LS00).Connect VCC Port to Pin-2 (Input) of ICBase-1 (74LS00).Connect Output-0 to Pin-3 (Output) of ICBase-1 (74LS00).