Integrated Circuits Used 74LS86 Procedure Add IC 74LS86 into ICBase-1 (74LS86).Connect Pin-2 (Input) of ICBase-1 (74LS86) to Input-13.Connect Pin-1 (Input) of ICBase-1 (74LS86) to Input-14.Connect Output-13 to Pin-3 (Output) of ICBase-1 (74LS86).