型号 / 厂家，封装，批号，备注，订购

SN74LS19 / TI,SOP,08/09+,全新库存特价 订购 PDF文档

SN74LS190N / ,,08/09+,全新原装深圳库存 订购 PDF文档

SN74LS191DE4 / Texas Instruments,Datasheet,07+,Synchronous 4-Bit Up 订购 PDF文档

SN74LS191J / HAR,CDIP,08/09+,全新原装深圳库存 订购 PDF文档

SN74LS191N(PB FREE) / TI,,08/09+,全新库存特价 订购 PDF文档

SN74LS191ND / ,,08/09+,全新原装深圳库存 订购 PDF文档

SN74LS191NSR / ,,08/09+,原装全新现货 订购 PDF文档

SN74LS191NSRE4 / Texas Instruments,Datasheet,06/07+,Synchronous 4-Bit Up 订购 PDF文档

SN74LS192J / ,,08/09+,原装全新现货 订购 PDF文档

SN74LS193D / TEXAS INSTRUMENTS,,08/09+,010-62106431 订购 PDF文档