型号 / 厂家，封装，批号，备注，订购

SN74LS640DW / TEXAS INSTRUMENTS,,08/09+,全新原装深圳库存 订购 PDF文档

SN74LS640DWRE4 / Texas Instruments,Datasheet,06/07+,Octal bus transceive 订购 PDF文档

SN74LS640FPT / TI,,08/09+,原装，特价 订购 PDF文档

SN74LS640MEL / ,,08/09+,全新原装现货库存 订购 PDF文档

SN74LS640N / Motorola,,08/09+,全新原装 订购 PDF文档

SN74LS640NE4 / Texas Instruments,Datasheet,06/07+,Octal bus transceive 订购 PDF文档

SN74LS640N-MOT / ,,最新批号,现货库存 订购 PDF文档

SN74LS640NS / NS,DIP,08/09+,全新原装深圳库存 订购 PDF文档

SN74LS640NSE4 / 原厂家,SOP,N/A,上海实货库存!欢迎查询! 订购 PDF文档

SN74LS640NSR / ,,08/09+,全新原装深圳库存 订购 PDF文档