TC74VHC00F(EL,K,F) TC74VHC00F(ELF) TC74VHC00F(ELKF) TC74VHC00F(K.F) TC74VHC00FEL TC74VHC00F-EL TC74VHC00FK TC74VHC00FK(EL,K) TC74VHC00FK(ELK) TC74VHC00FK-ELK