IC快速检索：
型号 / 厂家，封装，批号，备注，订购
M74HC4020B1 / FAIRCHILD,,02+,原装现货 订购 PDF文档
M74HC4020B1R / FAIRCHILD,,02+,原装现货 订购 PDF文档
M74HC4020M / ST,,04+,010-66001623/66001621 订购 PDF文档
M74HC4022B1 / ,,07+,原装货欢迎来电 订购 PDF文档
M74HC4024B1 / ST,DIP-14,05+,原装特价 订购 PDF文档
M74HC4024B1R / ,,02+,原装现货 订购 PDF文档
M74HC4024M / ST,,04+,010-66001623/66001621 订购 PDF文档
M74HC4024M13TR / ,,,原装现货 订购 PDF文档