IC快速检索：
型号 / 厂家，封装，批号，备注，订购
M74HC4538BI / ,,,010-62106431 订购 PDF文档
M74HC4538DT / ST,,01+,原装现货 订购 PDF文档
M74HC4538M / ,,07+,原装货欢迎来电 订购 PDF文档
M74HC4538M1R / ST,DIP,01+,全新原装，深圳/香港现货 订购 PDF文档
M74HC4543 / ST,,04+,全新原装 订购 PDF文档
M74HC4543B1R / ST,DIP,01+,全新原装，深圳/香港现货 订购 PDF文档
M74HC4543RM13TR / ST,,03+,原装现货 订购 PDF文档