型号 / 厂家，封装，批号，备注，订购

SN74F251BDRE4 / Texas Instruments,Datasheet,06/07+,1-of-8 Data Selector 订购 PDF文档

SN74F251BN / TEXAS INSTRUMENTS,,08/09+,全新原装深圳库存 订购 PDF文档

SN74F251BNE4 / Texas Instruments,Datasheet,06/07+,1-of-8 Data Selector 订购 PDF文档

SN74F251N / TI,DIP-20,08/09+,正品 订购 PDF文档

SN74F253DR / ,,08/09+,全新原装深圳库存 订购 PDF文档

SN74F253DRE4 / Texas Instruments,Datasheet,06/07+,Dual 1-of-4 Data Sel 订购 PDF文档

SN74F253NE4 / Texas Instruments,Datasheet,06/07+,Dual 1-of-4 Data Sel 订购 PDF文档

SN74F253NS / ,,08/09+,全新原装深圳库存 订购 PDF文档

SN74F253NSR / ,,08/09+,原装全新现货 订购 PDF文档

SN74F253NSRE4 / Texas Instruments,Datasheet,06/07+,Dual 1-of-4 Data Sel 订购 PDF文档