DM74LS32M DM74LS32N DM74LS54J DM74LS75N DM74S138N

贴片直插DM74ALS02N，DM74AS157J，DM74LS123N，DM74LS138N

贴片直插DM74LS139M，DM74LS139E，DM74LS138J，DM74LS138W，6

贴片直插DM2G75SH6A，DM54LS154J，DM74LS04MX，DM74LS138M