IC快速检索：
型号 / 厂家，封装，批号，备注，订购
M74HCT540B1 / SGS,,,010-62106431 订购 PDF文档
M74HCT540B1R / FAIRCHILD,,02+,原装现货 订购 PDF文档
M74HCT540RM13TR / FAIRCHILD,,02+,原装现货 订购 PDF文档
M74HCT541B1R / ST,DIP,01+,全新原装，深圳/香港现货 订购 PDF文档
M74HCT541M1R / ST,DIP,01+,全新原装，深圳/香港现货 订购 PDF文档
M74HCT541TTR / LSI,7.2mm,,全新原装，深圳/香港现货 订购 PDF文档
M74HCT562B1R / FAIRCHILD,,02+,原装现货 订购 PDF文档
M74HCT573 / ST,,01+,原装现货 订购 PDF文档