IC快速检索：
型号 / 厂家，封装，批号，备注，订购
SN74LS638 / TI,,08/09+,010-62106431 订购 PDF文档
SN74LS638A-1N / ,,08/09+,全新原装现货库存 订购 PDF文档
SN74LS638N / ,,08/09+,全新原装深圳库存 订购 PDF文档
SN74LS640-1 / TI,SOP7.2,08/09+,全新原装 订购 PDF文档
SN74LS640-1DWE4 / Texas Instruments,Datasheet,07+,Octal bus transceive 订购 PDF文档
SN74LS640-1DWR / TI,,08/09+,原装现货 订购 PDF文档
SN74LS640-1NS / ,,08/09+,全新原装现货库存 订购 PDF文档
SN74LS640-1NSR / Texas Instruments,Datasheet,06/07+,Octal bus transceive 订购 PDF文档