IC快速检索：
型号 / 厂家，封装，批号，备注，订购
M74HC259M1R / FAIRCHILD,,02+,原装现货 订购 PDF文档
M74HC259RM13TR / ST,,02+,全新原装，深圳/香港现货 订购 PDF文档
M74HC266B1 / ,,02+,原装现货 订购 PDF文档
M74HC266B1R / FAIRCHILD,,02+,原装现货 订购 PDF文档
M74HC266BI / ST,DIP,01+,全新原装，深圳/香港现货 订购 PDF文档
M74HC266M1R / SGS,,9409,010-62106431 订购 PDF文档
M74HC273B1NX / SGS,,00+,010-66001623/66001621 订购 PDF文档
M74HC273B1RPBF / ST,,05+,原装特价 订购 PDF文档