TC74VHCT126AFT(EK) TC74VHCT126AFT(EL) TC74VHCT126AFT. TC74VHCT126AFT/ROHS TC74VHCT126AFTEK TC74VHCT126AFTEK(M) TC74VHCT138 TC74VHCT138AF TC74VHCT138AF(EK,F TC74VHCT138AF(EL)