型号 / 厂家，封装，批号，备注，订购

DM74H53J / National Semiconductor,Datasheet,07+,2-2-2-3-Input AND-OR 订购 PDF文档

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DM74H61J / National Semiconductor,Datasheet,07+,3-Input AND-Function 订购 PDF文档

DM74H61N / ,,08/09+,原装现货库存 订购 PDF文档

DM74H71J / National Semiconductor,Datasheet,07+,Single -Slave 订购 PDF文档

DM74H72J / National Semiconductor,Datasheet,06/07+,Single J-K Flip-Flop 订购 PDF文档

DM74H72N / ,,08/09+,全新原装货 订购 PDF文档

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DM74H76N / ,,08/09+,原装现货库存 订购 PDF文档

DM74H78J / National Semiconductor,Datasheet,06/07+,Dual J-K Flip-Flop 订购 PDF文档