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About AC spec for SDHC

Question asked by keisukewatanabe on Aug 1, 2013
Latest reply on Aug 30, 2013 by Karina Valencia Aguilar

Dear support,

 

I have a question about AC spec of SDHC in datasheet p,76.

 

1.

Does the value of SD2 and SD3 not have the frequency dependence?

When I use it in 25Mhz, I suppose the minimum to be 7ns, I think whether matching does not match the SD side.

Please teach it when other value include frequency dependence.

 

2.

When SD6 is maximum 8.3ns and SD2 is minimum 7ns, I think that can not output the signal by the next rise.

Is the rise of SD6 reliable by a fall?

 

Best regards,

Keisuke Watanabe

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