型号 / 厂家，封装，批号，备注，订购

M74HC254BI / ,,05+,010-66001623/66001621 订购 PDF文档

M74HC257M / ST,,04+,010-66001623/66001621 订购 PDF文档

M74HC257M1R / ST,DIP,01+,全新原装，深圳/香港现货 订购 PDF文档

M74HC257RM13TR / ST,,02+,全新原装，深圳/香港现货 订购 PDF文档

M74HC258B1 / FAIRCHILD,,02+,原装现货 订购 PDF文档

M74HC258B1R / FAIRCHILD,,02+,原装现货 订购 PDF文档

M74HC2598 / ST,,,010-62106431 订购 PDF文档

M74HC259M / ST,,04+,010-66001623/66001621 订购 PDF文档

M74HC259M1 / ,,06+,欢迎查询采购 订购 PDF文档

M74HC259M13TR / ST,T&R 16 PIN 3.9MM,04+,全新原装 订购 PDF文档