Integrated Circuits Used 74LS11 Procedure Add IC 74LS11 into ICBase-1 (74LS11).Connect VCC Port to Pin-20 (VCC) of ICBase-1 (74LS11).Connect Input-10 to Pin-19 (Input) of ICBase-1 (74LS11).Connect GND Port to Pin-1 (Input) of ICBase-1 (74LS11).