IC快速检索：
型号 / 厂家，封装，批号，备注，订购
SN74LS687 / Texas Instruments,Datasheet,06/07+,8-BIT MAGNITUDE/IDEN 订购 PDF文档
SN74LS688NG4 / ,,最新批号,原装现货 订购 PDF文档
SN74LS688N-MOT / ,,08/09+,全新原装现货库存 订购 PDF文档
SN74LS688SW / ,,最新批号,原装现货 订购 PDF文档
SN74LS68P  / ,,,原装现货 订购 PDF文档
SN74LS69 / Texas Instruments,Datasheet,07+,DUAL 4-BIT DECADE OR 订购 PDF文档
SN74LS690 / Texas Instruments,Datasheet,06/07+,SYNCHRONOUS S 订购 PDF文档
SN74LS691 / ,,08/09+,全新原装现货库存 订购 PDF文档