IC快速检索：
型号 / 厂家，封装，批号，备注，订购
DM74AS157N / NATIONAL SEMICONDUCTOR,,,原装现货 订购 PDF文档
DM74AS158D / ,,0623+,原装现货库存 订购 PDF文档
DM74AS158M / NATIONAL SEMICONDUCTOR,,,原装现货 订购 PDF文档
DM74AS158MX / NATIONAL SEMICONDUCTOR,,,原装现货 订购 PDF文档
DM74AS161N / LATTICE,SMD,,全新原装，深圳/香港现货 订购 PDF文档
DM74AS169AM / NATIONAL SEMICONDUCTOR,,,原装现货 订购 PDF文档
DM74AS169AMX / NATIONAL SEMICONDUCTOR,,,原装现货 订购 PDF文档
DM74AS169AN / NATIONAL SEMICONDUCTOR,,,原装现货 订购 PDF文档