TC74VHC04F(EL) TC74VHC04F(EL,K,F) TC74VHC04F(EL.F) TC74VHC04F(ELKF) TC74VHC04F(K.F) TC74VHC04FEL TC74VHC04F-EL TC74VHC04FK TC74VHC04FK(EL,K) TC74VHC04FK(ELK)