型号 / 厂家，封装，批号，备注，订购

MM54HC193 / National Semiconductor,Datasheet,06/07+,Synchronous Decade U 订购 PDF文档

MM54HC194 / National Semiconductor,Datasheet,07+,4-Bit Bidirectional 订购 PDF文档

MM54HC195W / National Semiconductor,Datasheet,06/07+,4-Bit Shift Register 订购 PDF文档

MM54HC237 / National Semiconductor,Datasheet,06/07+,8-Line Digital Demul 订购 PDF文档

MM54HC242 / National Semiconductor,Datasheet,06/07+, 订购 PDF文档

MM54HC243 / National Semiconductor,Datasheet,06/07+, 订购 PDF文档

MM54HC244 / National Semiconductor,Datasheet,07+,Octal TRI-STATE Buff 订购 PDF文档

MM54HC251W / National Semiconductor,Datasheet,06/07+,8-Line Digital Multi 订购 PDF文档

MM54HC253W / National Semiconductor,Datasheet,07+,4-Line Digital Multi 订购 PDF文档

MM54HC257W / National Semiconductor,Datasheet,06/07+,2-Line Digital Multi 订购 PDF文档