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贴片直插MC74VHCT125ADG，MC74VHCT04AMEL，MC74VHCT08ADR2，4
贴片直插MC80164K32Q-75 MC74VHCT04AMEL MC7809ABD2TR4G 5
MC74VHCT139ADT-MC74VHCT125ADT-MC74VHCT08ADR2-MC74VHCT04AMEL
