Definitions for "Rise Time"
The time required for a signal to rise from 10% of its final value to 90% of its final value.
Length of time interval in which a given signal rises from 10 % to 90 % of its total excursion from one steady state to another. Synonyms: Build-Up Time; Edge Time
the time taken for the leading edge of a pulse to rise from 10% to 90% of its final value.
Keywords:  switching, speed, see
See Switching Speed