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dqss early failure

Question asked by agxinmj on May 19, 2015
Latest reply on Dec 5, 2015 by agxinmj

hai

       i simulated a layout with p2040 and 5ddr3(4+1ecc) in 1333 mbps i found that all the nets are passing and only dqs is listed in violation dqs 0,1,2,3 are getting failed

and 4,5,6,7 are passing what would be the error

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i had obseved all the lines are routed with equal length with respect to the corresponding data lines

when i examined the layout

all the length matching is perfect what would be the reason for this failure?

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