IC快速检索：
型号 / 厂家，封装，批号，备注，订购
74HC4040B1R / STM,,07+,全新原装国内外现货 订购 PDF文档
74HC4040BD / PHI,SSOP,06+,010-62104578 订购 PDF文档
74HC4040D / MOT,,,原装现货 订购 PDF文档
74HC4040D(LF) / PHI,,00+,010-66001623/66001621 订购 PDF文档
74HC4040D,652 / PH,DIP-16,01+,全新原装，深圳/香港现货 订购 PDF文档
74HC4040D,653 / PHILIPS,,,010-62106431 订购 PDF文档
74HC4040D.652 / PH,,05+,原装特价 订购 PDF文档
74HC4040D.653 / PH,,05+,原装特价 订购 PDF文档