IC快速检索：
型号 / 厂家，封装，批号，备注，订购
74H21PC / Fairchild Semiconductor,Datasheet,07+,Dual 4-input Positiv 订购 PDF文档
74H22 / Fairchild Semiconductor,Datasheet,07+,Full Line Condensed 订购 PDF文档
74H244 / ,,08/09+,全新原装深圳库存 订购 PDF文档
74H251BIR / ,,最新批号,原装现货 订购 PDF文档
74H274 / ,,08/09+,全新原装深圳库存 订购 PDF文档
74h30n / ti,,08/09+,全新原装深圳库存 订购 PDF文档
74H30PC / Various,Datasheet,07+,8-Input NAND-Functio 订购 PDF文档