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贴片直插MC74VHC595DR2，MC74VHC574MEL，MC74VHC574ML1，4
贴片直插MC78M05BDTRKG MC74VHC574MEL MC74VHC74DTR2 5
丝印MC74VHC74DR2G-MC74VHC595DR2-MC74VHC574MEL-MC74VHC574DTG
