型号 / 厂家，封装，批号，备注，订购

MM54HC253 / National Semiconductor,Datasheet,07+, 订购 PDF文档

MM54HC257E / National Semiconductor,Datasheet,06/07+,2-Line Digital Multi 订购 PDF文档

MM54HC258 / National Semiconductor,Datasheet,07+,Quad 2-Channel TRI-S 订购 PDF文档

MM54HC259E / National Semiconductor,Datasheet,07+,Octal D-Type Address 订购 PDF文档

MM54HC273J / Various,Datasheet,06/07+,Octal D-Type Flip-Fl 订购 PDF文档

MM54HC280 / National Semiconductor,Datasheet,07+, 订购 PDF文档

MM54HC280E / National Semiconductor,Datasheet,06/07+,9-Bit Parity Generat 订购 PDF文档

MM54HC283E / National Semiconductor,Datasheet,06/07+,4-Bit Parallel Full 订购 PDF文档

MM54HC298E / National Semiconductor,Datasheet,06/07+,2-Line Digital Multi 订购 PDF文档

MM54HC298W / National Semiconductor,Datasheet,07+,2-Line Digital Multi 订购 PDF文档