MC74VHC139DT MC74VHC139M MC74VHC1G50DTTIG MC74VHC4052DR2G

贴片直插MC74VHC4053DT，MC74VHC4052DT，MC74VHC4053DG，4

贴片直插MC74VHC4066DG，MC74VHC4051DG，MC74VHC4052DT，4

贴片直插MC74VHC4052DG，MC74VHC393ML1，MC74VHC4051DT，4

贴片直插MC74VHC4052D，MC74VHC374DT，MC74VHC393DG，4