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贴片直插MC74HC393FL2G MC74HC393DTR2 MC74HC393FELG 4
贴片直插MC74HC393ADTR2 MC74HC390DTR2G MC74HC393ADR2G 4
贴片直插MC74HC393AFR2G MC74HC390DTR2G MC74HC393ADTEL 4
贴片直插MC74HC393DTR2G MC74HC393AFL2G MC74HC393DTELG 4