型号 / 厂家，封装，批号，备注，订购

DM74LS249M / National Semiconductor,Datasheet,07+,7-Segment Display Dr 订购 PDF文档

DM74LS299M / National Semiconductor,Datasheet,06/07+,8-Bit Shift Register 订购 PDF文档

DM74LS322 / National Semiconductor,Datasheet,07+,8-Bit Serial/Paralle 订购 PDF文档

DM74LS322M / National Semiconductor,Datasheet,06/07+,8-Bit Shift Register 订购 PDF文档

DM74LS322N / National Semiconductor,Datasheet,07+,8-Bit Shift Register 订购 PDF文档

DM74LS32N? / ,,最新批号,原装现货 订购 PDF文档

DM74LS347 / National Semiconductor,Datasheet,06/07+,BCD TO 7-SEGMENT DEC 订购 PDF文档

DM74LS352J / National Semiconductor,Datasheet,07+,4-Line Digital Multi 订购 PDF文档

DM74LS352W / National Semiconductor,Datasheet,07+,4-Line Digital Multi 订购 PDF文档

DM74LS251CW / Fairchild Semiconductor,Datasheet,07+,3-STATE 1-of-8 Line 订购 PDF文档