型号 / 厂家，封装，批号，备注，订购

SN74ALS642A-1NSR / ,SOP,08/09+,010-62104891 订购 PDF文档

SN74ALS642ADW / ,,08/09+,原装全新现货 订购 PDF文档

SN74ALS643A-1N / ,,08/09+,全新原装深圳库存 订购 PDF文档

SN74ALS644AN / ,,08/09+,库存原装特价 订购 PDF文档

SN74ALS645A-1DBR / ,SSOP,08/09+,010-62104891 订购 PDF文档

SN74ALS645A1DW / TI,,08/09+,原装特价 订购 PDF文档

SN74ALS645A-1DW / ,SOIC,08/09+,010-62104891 订购 PDF文档

SN74ALS645A-1DWE4 / ,SOIC,08/09+,010-62104891 订购 PDF文档

SN74ALS645A-1DWRE4 / ,SOIC,08/09+,010-62104891 订购 PDF文档

SN74ALS646A1DWR / TEXAS INSTRUMENTS,,08/09+,010-62106431 订购 PDF文档