Integrated Circuits Used 74LS32 Procedure Add IC 74LS32 into ICBase-3 (74LS32).Connect VCC Port to Pin-20 (VCC) of ICBase-3 (74LS32).Connect GND Port to Pin-7 (Ground) of ICBase-3 (74LS32).Connect Output-3 to Pin-3 (Output) of ICBase-3 (74LS32).