Integrated Circuits Used 74LS32 Procedure Add IC 74LS32 into ICBase-2 (74LS32).Connect Input-8 to Pin-1 (Input) of ICBase-2 (74LS32).Connect Input-7 to Pin-2 (Input) of ICBase-2 (74LS32).Connect Output-6 to Pin-3 (Output) of ICBase-2 (74LS32).