IC快速检索：
型号 / 厂家，封装，批号，备注，订购
M74HCT4053M / ST,,04+,010-66001623/66001621 订购 PDF文档
M74HCT534B1 / ,,07+,原装货欢迎来电 订购 PDF文档
M74HCT540 / ,,02+,原装现货 订购 PDF文档
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