型号 / 厂家，封装，批号，备注，订购

DM74500N / FAIRCHILD,,,010-62106431 订购 PDF文档

DM74504N / NATIONAL,,8712,010-62106431 订购 PDF文档

DM74509N / NSC,,06+,原厂全新现货 订购 PDF文档

DM7450N / NSC,,,特价 订购 PDF文档

DM7451N / NORTEL,DIP,,原装现货 订购 PDF文档

DM74532N / NATIONAL,,8812,010-62106431 订购 PDF文档

DM7454 / ,,04+,库存原装特价 订购 PDF文档

DM7454J / ,,07+,原装全新库房现货 订购 PDF文档

DM7454N / ,,02+,原装现货 订购 PDF文档

DM745571AN / NATIONAL,,9418,010-62106431 订购 PDF文档