[IBIS-Users] Logic Threshold for min/max cases

Hello experts,

I was reading about Threshold sub-parameters Vinh , Vinl:

Sometimes the Voltage supply extremes are quite different
from the typical value ( in the ibis generation).
Could be useful (?) , especially for these cases, to define three
 different Threshold values:

Vinl , Vinl_min , Vinl_max
 Vinh , Vinh_min , Vinh_max

(often datasheet have already these different values
  associated to the VCC typ, min, max cases)

What your opinion about this?
Could these info improve synchronism?

Best Regards,
Fabio

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