型号 / 厂家，封装，批号，备注，订购

SN75440 / TEXAS,DIP,04+,0754-4478210 订购 PDF文档

SN754410N / HARRIS,DIP-16,,原装现货 订购 PDF文档

SN754410NEE4 / Texas Instruments,Datasheet,06/07+,Quadruple Half-H Dri 订购 PDF文档

SN754411 / TI,DIP,06+,正品 订购 PDF文档

SN75443 / TEXAS,DIP,04+,0754-4478210 订购 PDF文档

SN754455NH / ,,07+,全新原装现货库存 订购 PDF文档

SN75446P / HARRIS SEM,,04+,全新原装 订购 PDF文档

SN75447 / MAX,SOP28,02+,全新原装，深圳/香港现货 订购 PDF文档

SN75447D / TI,SOP8,04+,现货 订购 PDF文档

SN75448 / FUJ,SOP16,02+,全新原装，深圳/香港现货 订购 PDF文档