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ULPI Trace matching (how close is close enough)

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Jester

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Does anyone know how close (in length) the ULPI signals have to be matched for USB2.0?

App note just states match, other references state within 500mils of clock, reference board I'm looking at is matched +/- 85 mils. I'm a bit less than 200 mils at the moment.
 

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