型号 / 厂家，封装，批号，备注，订购

MC74HC521N/MM74HC688N / F,DIP/20,06+,上海实货库存!欢迎查询! 订购 PDF文档

MC74HC533A / ,,,原装现货 订购 PDF文档

MC74HC533AFEL / MOT,5.2mm 20,97/98,优势现货库存 订购 PDF文档

MC74HC534A / ,,02+,原装现货 订购 PDF文档

MC74HC534ADW / MOT,,91,010-62106431 订购 PDF文档

MC74HC534AF / ,,02+,原装现货 订购 PDF文档

MC74HC534AH / ,,07+,原装全新货 订购 PDF文档

MC74HC540ADW / ON,,04+,全新原装，深圳/香港现货 订购 PDF文档

MC74HC540ADWG / ONS,,05+,原装特价 订购 PDF文档

MC74HC540AN / 94,DIP,,全新原装，深圳/香港现货 订购 PDF文档