Integrated Circuits Used 74LS74 74LS04 74LS86 Procedure Add IC 74LS74 into ICBase-1 (74LS74).Add IC 74LS74 into ICBase-2 (74LS74).Add IC 74LS04 into ICBase-3 (74LS04).Add IC 74LS86 into ICBase-4 (74LS86).
