TC74VHC238F(EL) TC74VHC238F(EL,K,F TC74VHC238F(ELKF TC74VHC238F(K,F) TC74VHC238FEL TC74VHC238F-EL TC74VHC238FK TC74VHC238FK(EL,K) TC74VHC238FK-ELK TC74VHC238FN