型号 / 厂家，封装，批号，备注，订购

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74F251SDC / Various,Datasheet,07+,8-Line Digital Multi 订购 PDF文档

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74F245SCX_NL / Fairchild Semiconductor,Datasheet,07+,Octal Bidirectional 订购 PDF文档

74F251SPC / Various,Datasheet,07+,8-Line Digital Multi 订购 PDF文档

74F253L1C / Various,Datasheet,07+,4-Line Digital Multi 订购 PDF文档

74F245SDC / Various,Datasheet,07+,Octal Bus-Line Trans 订购 PDF文档