Rise time in CMOS? All Questions › Category: Battery Management System › Rise time in CMOS? 0 Vote Up Vote Down chetan shidling asked 4 years ago I need short information. 1 Answers 0 Vote Up Vote Down chetan shidling answered 4 years ago Rise Time (tr), the time required for a signal to transition from 10% of its maximum value to 90% of its maximum value.