glinsana
Newbie level 2
hi,guys
i am really confused about Vth right now
here is my story
I have an pmos, it's model is from SMIC 0.13um
and use BSIM3v3, Cadence ADE,spectre for simulation
I choose to save DC operating point in order to save vth for my pmos
but I found when L gets smaller, vth gets bigger.
e.g.:L=130nm Vth=-430.9mV or so
L=400nm Vth=-400mV
How does this come out?
can anyone help me ?;-)
i am really confused about Vth right now
here is my story
I have an pmos, it's model is from SMIC 0.13um
and use BSIM3v3, Cadence ADE,spectre for simulation
I choose to save DC operating point in order to save vth for my pmos
but I found when L gets smaller, vth gets bigger.
e.g.:L=130nm Vth=-430.9mV or so
L=400nm Vth=-400mV
How does this come out?
can anyone help me ?;-)