IC快速检索：
型号 / 厂家，封装，批号，备注，订购
SN74ALS640B-1DBE4 / ,SSOP,07+,010-62104891 订购 PDF文档
SN74ALS640B-1DWRE4 / ,SOIC,07+,010-62104891 订购 PDF文档
SN74ALS640B1N / TEXAS INSTRUMENTS,,,010-62106431 订购 PDF文档
SN74ALS640B-1N / HIT,DIP,,全新原装，深圳/香港现货 订购 PDF文档
SN74ALS640B-1NS / TEXAS,,05+,全新原装 订购 PDF文档
SN74ALS640BDW / TI,,,特价 订购 PDF文档
SN74ALS640BDWE4 / ,SOIC,07+,010-62104891 订购 PDF文档
SN74ALS640B-INS / ,,02+,原装现货 订购 PDF文档