Integrated Circuits Used 74LS08 Procedure Add IC 74LS08 into ICBase-2 (74LS08).Connect Input-2 to Pin-1 (Input) of ICBase-2 (74LS08).Connect GND Port to Pin-7 (Ground) of ICBase-2 (74LS08).Connect Input-3 to Pin-2 (Input) of ICBase-2 (74LS08).