Jun 7, 2012 #1 O owen_li Full Member level 3 Joined Jul 22, 2007 Messages 150 Helped 17 Reputation 34 Reaction score 15 Trophy points 1,298 Activity points 2,301 Hi all. Can you tell me why we should equate the rise time and fall time of a standard cell ? Like a inverter, we usually draw a pMos 2 times wider than nMos to ensure the rise time is matching the fall time. Thanks!
Hi all. Can you tell me why we should equate the rise time and fall time of a standard cell ? Like a inverter, we usually draw a pMos 2 times wider than nMos to ensure the rise time is matching the fall time. Thanks!
Jun 7, 2012 #2 V vijay.mani884 Member level 5 Joined May 23, 2012 Messages 81 Helped 16 Reputation 32 Reaction score 16 Trophy points 1,288 Activity points 1,789 This is done to equalise the switching time of both nmos and pmos.. that is charging and discharging of the output cap at the same rate.. Cheers
This is done to equalise the switching time of both nmos and pmos.. that is charging and discharging of the output cap at the same rate.. Cheers