TC74VHC138F(EL,K,F TC74VHC138F(EL,K,F) TC74VHC138F(EL.F) TC74VHC138F(ELF) TC74VHC138F(ELKF TC74VHC138F(K,F) TC74VHC138F(K.F) TC74VHC138F(TP2) TC74VHC138F1 TC74VHC138F-EL