S inverter, during discharging delay

^(t_(PHz))*Q_(N)

is replaced by an equivalent resistance

R_(N)

and during charging delay'

^(t_(PLH)),Q_(P)

is rer\ gation delay if

R_(N)=5k\\\\Omega ,R_(p)=10k\\\\Omega

and

C=5fF

.

gation delay if RN=5k,Rp=10k and C=5fF