IC快速检索：
型号 / 厂家，封装，批号，备注，订购
SN74AHC4066RGYR / TI,,05+,010-66001623/66001621 订购 PDF文档
SN74AHC540DB / ,SSOP,07+,010-62104891 订购 PDF文档
SN74AHC540DBR / TI,,05+,010-66001623/66001621 订购 PDF文档
SN74AHC540DGVRE4 / ,TVSOP,07+,010-62104891 订购 PDF文档
SN74AHC540DW / TEXAS INSTRUMENTS,,,原装现货 订购 PDF文档
SN74AHC540DW-C / TI,04+,05+,全新原装,特价 订购 PDF文档
SN74AHC540DWE4 / ,SOIC,07+,010-62104891 订购 PDF文档
SN74AHC540DWR / ALTERA,,05+,原装，现货 订购 PDF文档