型号 / 厂家，封装，批号，备注，订购

DM7490J / National Semiconductor,Datasheet,07+,BCD-Output Decade Up 订购 PDF文档

DM7491AW / National Semiconductor,Datasheet,07+,8-Bit Shift Register 订购 PDF文档

DM7493A / National Semiconductor,Datasheet,06/07+,Decade and Binary Co 订购 PDF文档

DM-7496J / ,,最新批号,现货库存 订购 PDF文档

DM744ON / ,,最新批号,现货库存 订购 PDF文档

DM7473CW / Fairchild Semiconductor,Datasheet,06/07+,Dual Positive-Edge-T 订购 PDF文档

DM7476N? / ,,最新批号,原装现货 订购 PDF文档

DM7488W / National Semiconductor,Datasheet,06/07+,General Purpose 订购 PDF文档

DM7489B / National Semiconductor,Datasheet,07+,400mW 64-bit read / 订购 PDF文档

DM7490A / Fairchild Semiconductor,Datasheet,06/07+,Decade and Binary Co 订购 PDF文档