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i.MX6 SD Card maximum PCB Track Lenghts

Question asked by Selcuk Kuzugudenli on Nov 19, 2015
Latest reply on Nov 19, 2015 by igorpadykov

Hello,

 

Question about the maximum PCB signal track lengths for the SD interface :

 

Because of the tight PCB space and other mechanical limitations, the best we can place the Micro SD connector is 3.5 inches away from the i.MX6 DualLite. Which makes the SD track lengths around 4 inches long. We would like to run the SD interface at SDR12 speed (25MHz).

 

Is 4 inches of track length acceptable for SD interface to work at 25MHz?

 

regards,

Selcuk

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