Discharge Circuit for Jetson Orin Nano Carrier Board

Hello everyone.

I am currently designing a custom carrier board for the Orin Nano.
Looking at the “DG-10931-001_v1.2.pdf” document, +3.3V and +1.8V require a discharge circuit and the discharge time is specified.

The +3.3V requires a discharge time of 1.5ms or less, and the +1.8V requires a discharge time of 4ms or less.

What is the discharge time until the voltage drops to what percentage?
Is it about 90% or 95%?

It is the time to 0V.

Thank you for your response.

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