IC快速检索：
型号 / 厂家，封装，批号，备注，订购
M74HC4028B1R / FAIRCHILD,,02+,原装现货 订购 PDF文档
M74HC4028M1 / SGS,,,特价 订购 PDF文档
M74HC4040 / ,,02+,原装现货 订购 PDF文档
M74HC4040B1 / MICREL,SOIC,,全新原装，深圳/香港现货 订购 PDF文档
M74HC4040BI / SGS,,N/A,010-62106431 订购 PDF文档
M74HC4040BIR / ST,,06+,全新原装，现货特价！ 订购 PDF文档
M74HC4040M1R / ST,,05+,原装特价 订购 PDF文档
M74HC4049 / ST Microelectronics,Datasheet,06/07+,HC4049 HEX BUFFER/CO 订购 PDF文档