型号 / 厂家，封装，批号，备注，订购

DM54187J / National Semiconductor,Datasheet,07+,General Purpose 订购 PDF文档

DM54191MW8 / National Semiconductor,Datasheet,06/07+,Synchronous Up/Down 订购 PDF文档

DM54191W/883 / National Semiconductor,Datasheet,07+,4-Bit Binary Up-Down 订购 PDF文档

DM54194 / National Semiconductor,Datasheet,07+,4-Bit Bidirectional 订购 PDF文档

DM54197N / National Semiconductor,Datasheet,07+,4-Bit Binary Up Coun 订购 PDF文档

DM54198F / National Semiconductor,Datasheet,07+,8-Bit Shift Register 订购 PDF文档

DM54199N / National Semiconductor,Datasheet,06/07+,8-Bit Shift Register 订购 PDF文档

DM54199W / National Semiconductor,Datasheet,06/07+,8-Bit Shift Register 订购 PDF文档

DM5423N / National Semiconductor,Datasheet,06/07+,4-Input NOR-Function 订购 PDF文档

DM5425 / National Semiconductor,Datasheet,07+,Dual 4-Input NOR Gat 订购 PDF文档