型号 / 厂家，封装，批号，备注，订购

DM7438 / NS,SOP,05+,全新原装现货 订购 PDF文档

DM7438M / NATIONAL SEMICONDUCTOR,,,原装现货 订购 PDF文档

DM7438MX / NS,,,全新原装，深圳/香港现货 订购 PDF文档

DM7438N / NATIONAL SEMICONDUCTOR,,,原装现货 订购 PDF文档

DM7440N / NSC,,,特价 订购 PDF文档

DM7441AJ / NS,DIP/16,05+,全新原装现货 订购 PDF文档

DM7442 / ,,02+,原装现货 订购 PDF文档

DM7442AN / TOS,SMD,04+,全新原装，深圳/香港现货 订购 PDF文档

DM7445 / ,,,010-62106431 订购 PDF文档

DM74451J / ,,04+,库存原装特价 订购 PDF文档