[IBIS-Users] Query reg. USB1.1 IBIS model generation

Hi All,

    I'm having problem with ibis model generation for USB1.1 . 

I have following 3 queries :

 

1)       since USB operates in Upstream and Downstream applications with
pullup and pulldown resistors 1.5k and 15k Ohm respectively. Will it
have any effect on choosing R_fixture value for IBIS VT data generation
????

 

2)       What actually we take the value of R_fixture for USB1.1 ?

 

3)       Can someone elaborate on setup for Ibis model generation for
USB1.1.

 

 

Regards,

Vivek


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