型号 / 厂家，封装，批号，备注，订购

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

MM54HC266A / National Semiconductor,Datasheet,06/07+,Quad 2-Input Exclusi 订购 PDF文档

MM54HC266AE / National Semiconductor,Datasheet,06/07+,2-Input Exclusive-NO 订购 PDF文档

MM54HC266AW / National Semiconductor,Datasheet,06/07+,2-Input Exclusive-NO 订购 PDF文档

MM54HC27 / National Semiconductor,Datasheet,07+, 订购 PDF文档

MM54HC273 / National Semiconductor,Datasheet,06/07+,Flip-Flops with Clea 订购 PDF文档

MM54HC27E / National Semiconductor,Datasheet,06/07+,3-Input NOR-Function 订购 PDF文档