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74AC821SDC / Various,Datasheet,07+,10-Bit D-Type Flip-F 订购 PDF文档

74AC821SDCQR / National Semiconductor,Datasheet,07+,10-Bit D Flip-Flop w 订购 PDF文档

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74AC823DC / Various,Datasheet,07+,9-Bit D-Type Flip-Fl 订购 PDF文档

74AC823SDC / Various,Datasheet,07+,9-Bit D-Type Flip-Fl 订购 PDF文档