The Designer's Guide Community Forum https://designers-guide.org/forum/YaBB.pl Modeling >> Semiconductor Devices >> BSIM3v3 Model parameters given in the DEVICE MODEL BUT NOT found in the BSIM3v3 https://designers-guide.org/forum/YaBB.pl?num=1337955990 Message started by Ricky Chen on May 25th, 2012, 7:26am

Title: BSIM3v3 Model parameters given in the DEVICE MODEL BUT NOT found in the BSIM3v3 Post by Ricky Chen on May 25th, 2012, 7:26am Dear All, I was checking the model parameters of NMOS given in the model file (130nm) of a poular foundry. I was seeing the spectre format. Some paraemters I could not find in the publicly available BSIM3v3 Spectre Model file. These parameters are:- wk3, wk3b, lk3b, wuc, lu0; pu0; wketa pketa lnfactor wnfactor petab wkt1 wkt2 wute wuc1 lvth0 wu0 Can anybody tell what are those model parametrs. Is there any documents which describe about them and use them in the equations But I am able to find the below parameters in both the proces Model and BSIM3v3 model files k3,k3b,k3b,uc,u0;u0; keta keta nfactor nfactor etab kt1 kt2 ute uc1 vth0 u0

Title: Re: BSIM3v3 Model parameters given in the DEVICE MODEL BUT NOT found in the BSIM3v3 Post by Geoffrey_Coram on May 29th, 2012, 9:01am The BSIM tradition for L and W scaling of parameters is something like this: pParam->xxx = model->xxx + Wxxx/Weff + Lxxx/Leff + Pxxx/(Weff*Leff) So, wk3 sets the width scaling for k3, etc.

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