Integrated Circuits Used 74LS08 Procedure Add IC 74LS08 into ICBase-1 (74LS08).Connect Pin-20 (VCC) of ICBase-1 (74LS08) to VCC Port.Connect GND Port to Pin-7 (Ground) of ICBase-1 (74LS08).Connect Input-0 to Pin-1 (Input) of ICBase-1 (74LS08).