Integrated Circuits Used 74LS00 Procedure Add IC 74LS00 into ICBase-2 (74LS00).Connect GND Port to Pin-7 (Ground) of ICBase-2 (74LS00).Connect Pin-20 (VCC) of ICBase-2 (74LS00) to VCC Port.Connect Input-9 to Pin-1 (Input) of ICBase-2 (74LS00).