IC快速检索：
型号 / 厂家，封装，批号，备注，订购
SN74LS221N~ / ,,08/09+,原装全新现货 订购 PDF文档
SN74LS221N3 / ,,08/09+,原装全新现货 订购 PDF文档
SN74LS221N9316PIN / ,,08/09+,原装全新现货 订购 PDF文档
SN74LS221NMOT / ,,08/09+,原装全新现货 订购 PDF文档
SN74LS221NMOTOROLA / ,,08/09+,原装全新现货 订购 PDF文档
SN74LS221NSJSMD / ,,08/09+,原装全新现货 订购 PDF文档
SN74LS221NSLE / ,,08/09+,原装全新现货 订购 PDF文档
SN74LS221NSR-EL / ,,08/09+,原装全新现货 订购 PDF文档