Integrated Circuits Used 74LS93 74LS08 Procedure Add IC 74LS93 into ICBase-1 (74LS93).Add IC 74LS93 into ICBase-2 (74LS93).Add IC 74LS08 into ICBase-3 (74LS08).Connect VCC Port to Pin-14 (Output) of ICBase-1 (74LS93).