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pyNgSpice/src/spicelib/devices/bsim4/b4check.c

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/**** BSIM4.7.0 Released by Darsen Lu 04/08/2011 ****/
/**********
* Copyright 2006 Regents of the University of California. All rights reserved.
* File: b4check.c of BSIM4.7.0.
* Author: 2000 Weidong Liu
* Authors: 2001- Xuemei Xi, Mohan Dunga, Ali Niknejad, Chenming Hu.
* Authors: 2006- Mohan Dunga, Ali Niknejad, Chenming Hu
* Authors: 2007- Mohan Dunga, Wenwei Yang, Ali Niknejad, Chenming Hu
* Project Director: Prof. Chenming Hu.
* Modified by Xuemei Xi, 04/06/2001.
* Modified by Xuemei Xi, 10/05/2001.
* Modified by Xuemei Xi, 11/15/2002.
* Modified by Xuemei Xi, 05/09/2003.
* Modified by Xuemei Xi, 03/04/2004.
* Modified by Xuemei Xi, 07/29/2005.
* Modified by Mohan Dunga, 12/13/2006
* Modified by Mohan Dunga, Wenwei Yang, 05/18/2007.
* Modified by Wenwei Yang, 07/31/2008 .
* Modified by Tanvir Morshed, Darsen Lu 03/27/2011
**********/
#include "ngspice/ngspice.h"
#include "ngspice/cktdefs.h"
#include "bsim4def.h"
#include "ngspice/trandefs.h"
#include "ngspice/const.h"
#include "ngspice/sperror.h"
#include "ngspice/devdefs.h"
#include "ngspice/suffix.h"
int
BSIM4checkModel(
BSIM4model *model,
BSIM4instance *here,
CKTcircuit *ckt)
{
struct bsim4SizeDependParam *pParam;
int Fatal_Flag = 0;
FILE *fplog;
if ((fplog = fopen("bsim4.out", "w")) != NULL)
{ pParam = here->pParam;
fprintf(fplog, "BSIM4: Berkeley Short Channel IGFET Model-4\n");
fprintf(fplog, "Developed by Xuemei (Jane) Xi, Mohan Dunga, Prof. Ali Niknejad and Prof. Chenming Hu in 2003.\n");
fprintf(fplog, "\n");
fprintf(fplog, "++++++++++ BSIM4 PARAMETER CHECKING BELOW ++++++++++\n");
if ((strcmp(model->BSIM4version, "4.7.0")) && (strcmp(model->BSIM4version, "4.70")) && (strcmp(model->BSIM4version, "4.7")))
{ fprintf(fplog, "Warning: This model is BSIM4.7.0; you specified a wrong version number.\n");
printf("Warning: This model is BSIM4.7.0; you specified a wrong version number.\n");
}
fprintf(fplog, "Model = %s\n", model->BSIM4modName);
if ((here->BSIM4rgateMod == 2) || (here->BSIM4rgateMod == 3))
{ if ((here->BSIM4trnqsMod == 1) || (here->BSIM4acnqsMod == 1))
{ fprintf(fplog, "Warning: You've selected both Rg and charge deficit NQS; select one only.\n");
printf("Warning: You've selected both Rg and charge deficit NQS; select one only.\n");
}
}
if (model->BSIM4toxe <= 0.0)
{ fprintf(fplog, "Fatal: Toxe = %g is not positive.\n",
model->BSIM4toxe);
printf("Fatal: Toxe = %g is not positive.\n", model->BSIM4toxe);
Fatal_Flag = 1;
}
if (model->BSIM4toxp <= 0.0)
{ fprintf(fplog, "Fatal: Toxp = %g is not positive.\n",
model->BSIM4toxp);
printf("Fatal: Toxp = %g is not positive.\n", model->BSIM4toxp);
Fatal_Flag = 1;
}
if (model->BSIM4eot <= 0.0)
{ fprintf(fplog, "Fatal: EOT = %g is not positive.\n",
model->BSIM4eot);
printf("Fatal: EOT = %g is not positive.\n", model->BSIM4eot);
Fatal_Flag = 1;
}
if (model->BSIM4epsrgate < 0.0)
{ fprintf(fplog, "Fatal: Epsrgate = %g is not positive.\n",
model->BSIM4epsrgate);
printf("Fatal: Epsrgate = %g is not positive.\n", model->BSIM4epsrgate);
Fatal_Flag = 1;
}
if (model->BSIM4epsrsub < 0.0)
{ fprintf(fplog, "Fatal: Epsrsub = %g is not positive.\n",
model->BSIM4epsrsub);
printf("Fatal: Epsrsub = %g is not positive.\n", model->BSIM4epsrsub);
Fatal_Flag = 1;
}
if (model->BSIM4easub < 0.0)
{ fprintf(fplog, "Fatal: Easub = %g is not positive.\n",
model->BSIM4easub);
printf("Fatal: Easub = %g is not positive.\n", model->BSIM4easub);
Fatal_Flag = 1;
}
if (model->BSIM4ni0sub <= 0.0)
{ fprintf(fplog, "Fatal: Ni0sub = %g is not positive.\n",
model->BSIM4ni0sub);
printf("Fatal: Easub = %g is not positive.\n", model->BSIM4ni0sub);
Fatal_Flag = 1;
}
if (model->BSIM4toxm <= 0.0)
{ fprintf(fplog, "Fatal: Toxm = %g is not positive.\n",
model->BSIM4toxm);
printf("Fatal: Toxm = %g is not positive.\n", model->BSIM4toxm);
Fatal_Flag = 1;
}
if (model->BSIM4toxref <= 0.0)
{ fprintf(fplog, "Fatal: Toxref = %g is not positive.\n",
model->BSIM4toxref);
printf("Fatal: Toxref = %g is not positive.\n", model->BSIM4toxref);
Fatal_Flag = 1;
}
if (pParam->BSIM4lpe0 < -pParam->BSIM4leff)
{ fprintf(fplog, "Fatal: Lpe0 = %g is less than -Leff.\n",
pParam->BSIM4lpe0);
printf("Fatal: Lpe0 = %g is less than -Leff.\n",
pParam->BSIM4lpe0);
Fatal_Flag = 1;
}
if (model->BSIM4lintnoi > pParam->BSIM4leff/2)
{ fprintf(fplog, "Fatal: Lintnoi = %g is too large - Leff for noise is negative.\n",
model->BSIM4lintnoi);
printf("Fatal: Lintnoi = %g is too large - Leff for noise is negative.\n",
model->BSIM4lintnoi);
Fatal_Flag = 1;
}
if (pParam->BSIM4lpeb < -pParam->BSIM4leff)
{ fprintf(fplog, "Fatal: Lpeb = %g is less than -Leff.\n",
pParam->BSIM4lpeb);
printf("Fatal: Lpeb = %g is less than -Leff.\n",
pParam->BSIM4lpeb);
Fatal_Flag = 1;
}
if (pParam->BSIM4ndep <= 0.0)
{ fprintf(fplog, "Fatal: Ndep = %g is not positive.\n",
pParam->BSIM4ndep);
printf("Fatal: Ndep = %g is not positive.\n",
pParam->BSIM4ndep);
Fatal_Flag = 1;
}
if (pParam->BSIM4phi <= 0.0)
{ fprintf(fplog, "Fatal: Phi = %g is not positive. Please check Phin and Ndep\n",
pParam->BSIM4phi);
fprintf(fplog, " Phin = %g Ndep = %g \n",
pParam->BSIM4phin, pParam->BSIM4ndep);
printf("Fatal: Phi = %g is not positive. Please check Phin and Ndep\n",
pParam->BSIM4phi);
printf(" Phin = %g Ndep = %g \n",
pParam->BSIM4phin, pParam->BSIM4ndep);
Fatal_Flag = 1;
}
if (pParam->BSIM4nsub <= 0.0)
{ fprintf(fplog, "Fatal: Nsub = %g is not positive.\n",
pParam->BSIM4nsub);
printf("Fatal: Nsub = %g is not positive.\n",
pParam->BSIM4nsub);
Fatal_Flag = 1;
}
if (pParam->BSIM4ngate < 0.0)
{ fprintf(fplog, "Fatal: Ngate = %g is not positive.\n",
pParam->BSIM4ngate);
printf("Fatal: Ngate = %g Ngate is not positive.\n",
pParam->BSIM4ngate);
Fatal_Flag = 1;
}
if (pParam->BSIM4ngate > 1.e25)
{ fprintf(fplog, "Fatal: Ngate = %g is too high.\n",
pParam->BSIM4ngate);
printf("Fatal: Ngate = %g Ngate is too high\n",
pParam->BSIM4ngate);
Fatal_Flag = 1;
}
if (pParam->BSIM4xj <= 0.0)
{ fprintf(fplog, "Fatal: Xj = %g is not positive.\n",
pParam->BSIM4xj);
printf("Fatal: Xj = %g is not positive.\n", pParam->BSIM4xj);
Fatal_Flag = 1;
}
if (pParam->BSIM4dvt1 < 0.0)
{ fprintf(fplog, "Fatal: Dvt1 = %g is negative.\n",
pParam->BSIM4dvt1);
printf("Fatal: Dvt1 = %g is negative.\n", pParam->BSIM4dvt1);
Fatal_Flag = 1;
}
if (pParam->BSIM4dvt1w < 0.0)
{ fprintf(fplog, "Fatal: Dvt1w = %g is negative.\n",
pParam->BSIM4dvt1w);
printf("Fatal: Dvt1w = %g is negative.\n", pParam->BSIM4dvt1w);
Fatal_Flag = 1;
}
if (pParam->BSIM4w0 == -pParam->BSIM4weff)
{ fprintf(fplog, "Fatal: (W0 + Weff) = 0 causing divided-by-zero.\n");
printf("Fatal: (W0 + Weff) = 0 causing divided-by-zero.\n");
Fatal_Flag = 1;
}
if (pParam->BSIM4dsub < 0.0)
{ fprintf(fplog, "Fatal: Dsub = %g is negative.\n", pParam->BSIM4dsub);
printf("Fatal: Dsub = %g is negative.\n", pParam->BSIM4dsub);
Fatal_Flag = 1;
}
if (pParam->BSIM4b1 == -pParam->BSIM4weff)
{ fprintf(fplog, "Fatal: (B1 + Weff) = 0 causing divided-by-zero.\n");
printf("Fatal: (B1 + Weff) = 0 causing divided-by-zero.\n");
Fatal_Flag = 1;
}
if (here->BSIM4u0temp <= 0.0)
{ fprintf(fplog, "Fatal: u0 at current temperature = %g is not positive.\n", here->BSIM4u0temp);
printf("Fatal: u0 at current temperature = %g is not positive.\n",
here->BSIM4u0temp);
Fatal_Flag = 1;
}
if (pParam->BSIM4delta < 0.0)
{ fprintf(fplog, "Fatal: Delta = %g is less than zero.\n",
pParam->BSIM4delta);
printf("Fatal: Delta = %g is less than zero.\n", pParam->BSIM4delta);
Fatal_Flag = 1;
}
if (here->BSIM4vsattemp <= 0.0)
{ fprintf(fplog, "Fatal: Vsat at current temperature = %g is not positive.\n", here->BSIM4vsattemp);
printf("Fatal: Vsat at current temperature = %g is not positive.\n",
here->BSIM4vsattemp);
Fatal_Flag = 1;
}
if (pParam->BSIM4pclm <= 0.0)
{ fprintf(fplog, "Fatal: Pclm = %g is not positive.\n", pParam->BSIM4pclm);
printf("Fatal: Pclm = %g is not positive.\n", pParam->BSIM4pclm);
Fatal_Flag = 1;
}
if (pParam->BSIM4drout < 0.0)
{ fprintf(fplog, "Fatal: Drout = %g is negative.\n", pParam->BSIM4drout);
printf("Fatal: Drout = %g is negative.\n", pParam->BSIM4drout);
Fatal_Flag = 1;
}
if (here->BSIM4m < 1.0)
{ fprintf(fplog, "Fatal: Number of multiplier = %g is smaller than one.\n", here->BSIM4m);
printf("Fatal: Number of multiplier = %g is smaller than one.\n", here->BSIM4m);
Fatal_Flag = 1;
}
if (here->BSIM4nf < 1.0)
{ fprintf(fplog, "Fatal: Number of finger = %g is smaller than one.\n", here->BSIM4nf);
printf("Fatal: Number of finger = %g is smaller than one.\n", here->BSIM4nf);
Fatal_Flag = 1;
}
if((here->BSIM4sa > 0.0) && (here->BSIM4sb > 0.0) &&
((here->BSIM4nf == 1.0) || ((here->BSIM4nf > 1.0) && (here->BSIM4sd > 0.0))) )
{ if (model->BSIM4saref <= 0.0)
{ fprintf(fplog, "Fatal: SAref = %g is not positive.\n",model->BSIM4saref);
printf("Fatal: SAref = %g is not positive.\n",model->BSIM4saref);
Fatal_Flag = 1;
}
if (model->BSIM4sbref <= 0.0)
{ fprintf(fplog, "Fatal: SBref = %g is not positive.\n",model->BSIM4sbref);
printf("Fatal: SBref = %g is not positive.\n",model->BSIM4sbref);
Fatal_Flag = 1;
}
}
if ((here->BSIM4l + model->BSIM4xl) <= model->BSIM4xgl)
{ fprintf(fplog, "Fatal: The parameter xgl must be smaller than Ldrawn+XL.\n");
printf("Fatal: The parameter xgl must be smaller than Ldrawn+XL.\n");
Fatal_Flag = 1;
}
if (here->BSIM4ngcon < 1.0)
{ fprintf(fplog, "Fatal: The parameter ngcon cannot be smaller than one.\n");
printf("Fatal: The parameter ngcon cannot be smaller than one.\n");
Fatal_Flag = 1;
}
if ((here->BSIM4ngcon != 1.0) && (here->BSIM4ngcon != 2.0))
{ here->BSIM4ngcon = 1.0;
fprintf(fplog, "Warning: Ngcon must be equal to one or two; reset to 1.0.\n");
printf("Warning: Ngcon must be equal to one or two; reset to 1.0.\n");
}
if (model->BSIM4gbmin < 1.0e-20)
{ fprintf(fplog, "Warning: Gbmin = %g is too small.\n",
model->BSIM4gbmin);
printf("Warning: Gbmin = %g is too small.\n", model->BSIM4gbmin);
}
/* Check saturation parameters */
if (pParam->BSIM4fprout < 0.0)
{ fprintf(fplog, "Fatal: fprout = %g is negative.\n",
pParam->BSIM4fprout);
printf("Fatal: fprout = %g is negative.\n", pParam->BSIM4fprout);
Fatal_Flag = 1;
}
if (pParam->BSIM4pdits < 0.0)
{ fprintf(fplog, "Fatal: pdits = %g is negative.\n",
pParam->BSIM4pdits);
printf("Fatal: pdits = %g is negative.\n", pParam->BSIM4pdits);
Fatal_Flag = 1;
}
if (model->BSIM4pditsl < 0.0)
{ fprintf(fplog, "Fatal: pditsl = %g is negative.\n",
model->BSIM4pditsl);
printf("Fatal: pditsl = %g is negative.\n", model->BSIM4pditsl);
Fatal_Flag = 1;
}
/* Check gate current parameters */
if (model->BSIM4igbMod) {
if (pParam->BSIM4nigbinv <= 0.0)
{ fprintf(fplog, "Fatal: nigbinv = %g is non-positive.\n",
pParam->BSIM4nigbinv);
printf("Fatal: nigbinv = %g is non-positive.\n", pParam->BSIM4nigbinv);
Fatal_Flag = 1;
}
if (pParam->BSIM4nigbacc <= 0.0)
{ fprintf(fplog, "Fatal: nigbacc = %g is non-positive.\n",
pParam->BSIM4nigbacc);
printf("Fatal: nigbacc = %g is non-positive.\n", pParam->BSIM4nigbacc);
Fatal_Flag = 1;
}
}
if (model->BSIM4igcMod) {
if (pParam->BSIM4nigc <= 0.0)
{ fprintf(fplog, "Fatal: nigc = %g is non-positive.\n",
pParam->BSIM4nigc);
printf("Fatal: nigc = %g is non-positive.\n", pParam->BSIM4nigc);
Fatal_Flag = 1;
}
if (pParam->BSIM4poxedge <= 0.0)
{ fprintf(fplog, "Fatal: poxedge = %g is non-positive.\n",
pParam->BSIM4poxedge);
printf("Fatal: poxedge = %g is non-positive.\n", pParam->BSIM4poxedge);
Fatal_Flag = 1;
}
if (pParam->BSIM4pigcd <= 0.0)
{ fprintf(fplog, "Fatal: pigcd = %g is non-positive.\n",
pParam->BSIM4pigcd);
printf("Fatal: pigcd = %g is non-positive.\n", pParam->BSIM4pigcd);
Fatal_Flag = 1;
}
}
/* Check capacitance parameters */
if (pParam->BSIM4clc < 0.0)
{ fprintf(fplog, "Fatal: Clc = %g is negative.\n", pParam->BSIM4clc);
printf("Fatal: Clc = %g is negative.\n", pParam->BSIM4clc);
Fatal_Flag = 1;
}
/* Check overlap capacitance parameters */
if (pParam->BSIM4ckappas < 0.02)
{ fprintf(fplog, "Warning: ckappas = %g is too small. Set to 0.02\n",
pParam->BSIM4ckappas);
printf("Warning: ckappas = %g is too small.\n", pParam->BSIM4ckappas);
pParam->BSIM4ckappas = 0.02;
}
if (pParam->BSIM4ckappad < 0.02)
{ fprintf(fplog, "Warning: ckappad = %g is too small. Set to 0.02\n",
pParam->BSIM4ckappad);
printf("Warning: ckappad = %g is too small.\n", pParam->BSIM4ckappad);
pParam->BSIM4ckappad = 0.02;
}
if (model->BSIM4vtss < 0.0)
{ fprintf(fplog, "Fatal: Vtss = %g is negative.\n",
model->BSIM4vtss);
printf("Fatal: Vtss = %g is negative.\n",
model->BSIM4vtss);
Fatal_Flag = 1;
}
if (model->BSIM4vtsd < 0.0)
{ fprintf(fplog, "Fatal: Vtsd = %g is negative.\n",
model->BSIM4vtsd);
printf("Fatal: Vtsd = %g is negative.\n",
model->BSIM4vtsd);
Fatal_Flag = 1;
}
if (model->BSIM4vtssws < 0.0)
{ fprintf(fplog, "Fatal: Vtssws = %g is negative.\n",
model->BSIM4vtssws);
printf("Fatal: Vtssws = %g is negative.\n",
model->BSIM4vtssws);
Fatal_Flag = 1;
}
if (model->BSIM4vtsswd < 0.0)
{ fprintf(fplog, "Fatal: Vtsswd = %g is negative.\n",
model->BSIM4vtsswd);
printf("Fatal: Vtsswd = %g is negative.\n",
model->BSIM4vtsswd);
Fatal_Flag = 1;
}
if (model->BSIM4vtsswgs < 0.0)
{ fprintf(fplog, "Fatal: Vtsswgs = %g is negative.\n",
model->BSIM4vtsswgs);
printf("Fatal: Vtsswgs = %g is negative.\n",
model->BSIM4vtsswgs);
Fatal_Flag = 1;
}
if (model->BSIM4vtsswgd < 0.0)
{ fprintf(fplog, "Fatal: Vtsswgd = %g is negative.\n",
model->BSIM4vtsswgd);
printf("Fatal: Vtsswgd = %g is negative.\n",
model->BSIM4vtsswgd);
Fatal_Flag = 1;
}
if (model->BSIM4paramChk ==1)
{
/* Check L and W parameters */
if (pParam->BSIM4leff <= 1.0e-9)
{ fprintf(fplog, "Warning: Leff = %g <= 1.0e-9. Recommended Leff >= 1e-8 \n",
pParam->BSIM4leff);
printf("Warning: Leff = %g <= 1.0e-9. Recommended Leff >= 1e-8 \n",
pParam->BSIM4leff);
}
if (pParam->BSIM4leffCV <= 1.0e-9)
{ fprintf(fplog, "Warning: Leff for CV = %g <= 1.0e-9. Recommended LeffCV >=1e-8 \n",
pParam->BSIM4leffCV);
printf("Warning: Leff for CV = %g <= 1.0e-9. Recommended LeffCV >=1e-8 \n",
pParam->BSIM4leffCV);
}
if (pParam->BSIM4weff <= 1.0e-9)
{ fprintf(fplog, "Warning: Weff = %g <= 1.0e-9. Recommended Weff >=1e-7 \n",
pParam->BSIM4weff);
printf("Warning: Weff = %g <= 1.0e-9. Recommended Weff >=1e-7 \n",
pParam->BSIM4weff);
}
if (pParam->BSIM4weffCV <= 1.0e-9)
{ fprintf(fplog, "Warning: Weff for CV = %g <= 1.0e-9. Recommended WeffCV >= 1e-7 \n",
pParam->BSIM4weffCV);
printf("Warning: Weff for CV = %g <= 1.0e-9. Recommended WeffCV >= 1e-7 \n",
pParam->BSIM4weffCV);
}
/* Check threshold voltage parameters */
if (model->BSIM4toxe < 1.0e-10)
{ fprintf(fplog, "Warning: Toxe = %g is less than 1A. Recommended Toxe >= 5A\n",
model->BSIM4toxe);
printf("Warning: Toxe = %g is less than 1A. Recommended Toxe >= 5A\n", model->BSIM4toxe);
}
if (model->BSIM4toxp < 1.0e-10)
{ fprintf(fplog, "Warning: Toxp = %g is less than 1A. Recommended Toxp >= 5A\n",
model->BSIM4toxp);
printf("Warning: Toxp = %g is less than 1A. Recommended Toxp >= 5A\n", model->BSIM4toxp);
}
if (model->BSIM4toxm < 1.0e-10)
{ fprintf(fplog, "Warning: Toxm = %g is less than 1A. Recommended Toxm >= 5A\n",
model->BSIM4toxm);
printf("Warning: Toxm = %g is less than 1A. Recommended Toxm >= 5A\n", model->BSIM4toxm);
}
if (pParam->BSIM4ndep <= 1.0e12)
{ fprintf(fplog, "Warning: Ndep = %g may be too small.\n",
pParam->BSIM4ndep);
printf("Warning: Ndep = %g may be too small.\n",
pParam->BSIM4ndep);
}
else if (pParam->BSIM4ndep >= 1.0e21)
{ fprintf(fplog, "Warning: Ndep = %g may be too large.\n",
pParam->BSIM4ndep);
printf("Warning: Ndep = %g may be too large.\n",
pParam->BSIM4ndep);
}
if (pParam->BSIM4nsub <= 1.0e14)
{ fprintf(fplog, "Warning: Nsub = %g may be too small.\n",
pParam->BSIM4nsub);
printf("Warning: Nsub = %g may be too small.\n",
pParam->BSIM4nsub);
}
else if (pParam->BSIM4nsub >= 1.0e21)
{ fprintf(fplog, "Warning: Nsub = %g may be too large.\n",
pParam->BSIM4nsub);
printf("Warning: Nsub = %g may be too large.\n",
pParam->BSIM4nsub);
}
if ((pParam->BSIM4ngate > 0.0) &&
(pParam->BSIM4ngate <= 1.e18))
{ fprintf(fplog, "Warning: Ngate = %g is less than 1.E18cm^-3.\n",
pParam->BSIM4ngate);
printf("Warning: Ngate = %g is less than 1.E18cm^-3.\n",
pParam->BSIM4ngate);
}
if (pParam->BSIM4dvt0 < 0.0)
{ fprintf(fplog, "Warning: Dvt0 = %g is negative.\n",
pParam->BSIM4dvt0);
printf("Warning: Dvt0 = %g is negative.\n", pParam->BSIM4dvt0);
}
if (fabs(1.0e-8 / (pParam->BSIM4w0 + pParam->BSIM4weff)) > 10.0)
{ fprintf(fplog, "Warning: (W0 + Weff) may be too small.\n");
printf("Warning: (W0 + Weff) may be too small.\n");
}
/* Check subthreshold parameters */
if (pParam->BSIM4nfactor < 0.0)
{ fprintf(fplog, "Warning: Nfactor = %g is negative.\n",
pParam->BSIM4nfactor);
printf("Warning: Nfactor = %g is negative.\n", pParam->BSIM4nfactor);
}
if (pParam->BSIM4cdsc < 0.0)
{ fprintf(fplog, "Warning: Cdsc = %g is negative.\n",
pParam->BSIM4cdsc);
printf("Warning: Cdsc = %g is negative.\n", pParam->BSIM4cdsc);
}
if (pParam->BSIM4cdscd < 0.0)
{ fprintf(fplog, "Warning: Cdscd = %g is negative.\n",
pParam->BSIM4cdscd);
printf("Warning: Cdscd = %g is negative.\n", pParam->BSIM4cdscd);
}
/* Check DIBL parameters */
if (here->BSIM4eta0 < 0.0)
{ fprintf(fplog, "Warning: Eta0 = %g is negative.\n",
here->BSIM4eta0);
printf("Warning: Eta0 = %g is negative.\n", here->BSIM4eta0);
}
/* Check Abulk parameters */
if (fabs(1.0e-8 / (pParam->BSIM4b1 + pParam->BSIM4weff)) > 10.0)
{ fprintf(fplog, "Warning: (B1 + Weff) may be too small.\n");
printf("Warning: (B1 + Weff) may be too small.\n");
}
/* Check Saturation parameters */
if (pParam->BSIM4a2 < 0.01)
{ fprintf(fplog, "Warning: A2 = %g is too small. Set to 0.01.\n", pParam->BSIM4a2);
printf("Warning: A2 = %g is too small. Set to 0.01.\n",
pParam->BSIM4a2);
pParam->BSIM4a2 = 0.01;
}
else if (pParam->BSIM4a2 > 1.0)
{ fprintf(fplog, "Warning: A2 = %g is larger than 1. A2 is set to 1 and A1 is set to 0.\n",
pParam->BSIM4a2);
printf("Warning: A2 = %g is larger than 1. A2 is set to 1 and A1 is set to 0.\n",
pParam->BSIM4a2);
pParam->BSIM4a2 = 1.0;
pParam->BSIM4a1 = 0.0;
}
if (pParam->BSIM4prwg < 0.0)
{ fprintf(fplog, "Warning: Prwg = %g is negative. Set to zero.\n",
pParam->BSIM4prwg);
printf("Warning: Prwg = %g is negative. Set to zero.\n",
pParam->BSIM4prwg);
pParam->BSIM4prwg = 0.0;
}
if (pParam->BSIM4rdsw < 0.0)
{ fprintf(fplog, "Warning: Rdsw = %g is negative. Set to zero.\n",
pParam->BSIM4rdsw);
printf("Warning: Rdsw = %g is negative. Set to zero.\n",
pParam->BSIM4rdsw);
pParam->BSIM4rdsw = 0.0;
pParam->BSIM4rds0 = 0.0;
}
if (pParam->BSIM4rds0 < 0.0)
{ fprintf(fplog, "Warning: Rds at current temperature = %g is negative. Set to zero.\n",
pParam->BSIM4rds0);
printf("Warning: Rds at current temperature = %g is negative. Set to zero.\n",
pParam->BSIM4rds0);
pParam->BSIM4rds0 = 0.0;
}
if (pParam->BSIM4rdswmin < 0.0)
{ fprintf(fplog, "Warning: Rdswmin at current temperature = %g is negative. Set to zero.\n",
pParam->BSIM4rdswmin);
printf("Warning: Rdswmin at current temperature = %g is negative. Set to zero.\n",
pParam->BSIM4rdswmin);
pParam->BSIM4rdswmin = 0.0;
}
if (pParam->BSIM4pscbe2 <= 0.0)
{ fprintf(fplog, "Warning: Pscbe2 = %g is not positive.\n",
pParam->BSIM4pscbe2);
printf("Warning: Pscbe2 = %g is not positive.\n", pParam->BSIM4pscbe2);
}
if (pParam->BSIM4vsattemp < 1.0e3)
{ fprintf(fplog, "Warning: Vsat at current temperature = %g may be too small.\n", pParam->BSIM4vsattemp);
printf("Warning: Vsat at current temperature = %g may be too small.\n", pParam->BSIM4vsattemp);
}
if((model->BSIM4lambdaGiven) && (pParam->BSIM4lambda > 0.0) )
{
if (pParam->BSIM4lambda > 1.0e-9)
{ fprintf(fplog, "Warning: Lambda = %g may be too large.\n", pParam->BSIM4lambda);
printf("Warning: Lambda = %g may be too large.\n", pParam->BSIM4lambda);
}
}
if((model->BSIM4vtlGiven) && (pParam->BSIM4vtl > 0.0) )
{
if (pParam->BSIM4vtl < 6.0e4)
{ fprintf(fplog, "Warning: Thermal velocity vtl = %g may be too small.\n", pParam->BSIM4vtl);
printf("Warning: Thermal velocity vtl = %g may be too small.\n", pParam->BSIM4vtl);
}
if (pParam->BSIM4xn < 3.0)
{ fprintf(fplog, "Warning: back scattering coeff xn = %g is too small.\n", pParam->BSIM4xn);
printf("Warning: back scattering coeff xn = %g is too small. Reset to 3.0 \n", pParam->BSIM4xn);
pParam->BSIM4xn = 3.0;
}
if (model->BSIM4lc < 0.0)
{ fprintf(fplog, "Warning: back scattering coeff lc = %g is too small.\n", model->BSIM4lc);
printf("Warning: back scattering coeff lc = %g is too small. Reset to 0.0\n", model->BSIM4lc);
pParam->BSIM4lc = 0.0;
}
}
if (pParam->BSIM4pdibl1 < 0.0)
{ fprintf(fplog, "Warning: Pdibl1 = %g is negative.\n",
pParam->BSIM4pdibl1);
printf("Warning: Pdibl1 = %g is negative.\n", pParam->BSIM4pdibl1);
}
if (pParam->BSIM4pdibl2 < 0.0)
{ fprintf(fplog, "Warning: Pdibl2 = %g is negative.\n",
pParam->BSIM4pdibl2);
printf("Warning: Pdibl2 = %g is negative.\n", pParam->BSIM4pdibl2);
}
/* Check stress effect parameters */
if((here->BSIM4sa > 0.0) && (here->BSIM4sb > 0.0) &&
((here->BSIM4nf == 1.0) || ((here->BSIM4nf > 1.0) && (here->BSIM4sd > 0.0))) )
{ if (model->BSIM4lodk2 <= 0.0)
{ fprintf(fplog, "Warning: LODK2 = %g is not positive.\n",model->BSIM4lodk2);
printf("Warning: LODK2 = %g is not positive.\n",model->BSIM4lodk2);
}
if (model->BSIM4lodeta0 <= 0.0)
{ fprintf(fplog, "Warning: LODETA0 = %g is not positive.\n",model->BSIM4lodeta0);
printf("Warning: LODETA0 = %g is not positive.\n",model->BSIM4lodeta0);
}
}
/* Check gate resistance parameters */
if (here->BSIM4rgateMod == 1)
{ if (model->BSIM4rshg <= 0.0)
printf("Warning: rshg should be positive for rgateMod = 1.\n");
}
else if (here->BSIM4rgateMod == 2)
{ if (model->BSIM4rshg <= 0.0)
printf("Warning: rshg <= 0.0 for rgateMod = 2.\n");
else if (pParam->BSIM4xrcrg1 <= 0.0)
printf("Warning: xrcrg1 <= 0.0 for rgateMod = 2.\n");
}
if (here->BSIM4rgateMod == 3)
{ if (model->BSIM4rshg <= 0.0)
printf("Warning: rshg should be positive for rgateMod = 3.\n");
else if (pParam->BSIM4xrcrg1 <= 0.0)
printf("Warning: xrcrg1 should be positive for rgateMod = 3.\n");
}
/* Check capacitance parameters */
if (pParam->BSIM4noff < 0.1)
{ fprintf(fplog, "Warning: Noff = %g is too small.\n",
pParam->BSIM4noff);
printf("Warning: Noff = %g is too small.\n", pParam->BSIM4noff);
}
if (pParam->BSIM4voffcv < -0.5)
{ fprintf(fplog, "Warning: Voffcv = %g is too small.\n",
pParam->BSIM4voffcv);
printf("Warning: Voffcv = %g is too small.\n", pParam->BSIM4voffcv);
}
if (pParam->BSIM4moin < 5.0)
{ fprintf(fplog, "Warning: Moin = %g is too small.\n",
pParam->BSIM4moin);
printf("Warning: Moin = %g is too small.\n", pParam->BSIM4moin);
}
if (pParam->BSIM4moin > 25.0)
{ fprintf(fplog, "Warning: Moin = %g is too large.\n",
pParam->BSIM4moin);
printf("Warning: Moin = %g is too large.\n", pParam->BSIM4moin);
}
if(model->BSIM4capMod ==2) {
if (pParam->BSIM4acde < 0.1)
{ fprintf(fplog, "Warning: Acde = %g is too small.\n",
pParam->BSIM4acde);
printf("Warning: Acde = %g is too small.\n", pParam->BSIM4acde);
}
if (pParam->BSIM4acde > 1.6)
{ fprintf(fplog, "Warning: Acde = %g is too large.\n",
pParam->BSIM4acde);
printf("Warning: Acde = %g is too large.\n", pParam->BSIM4acde);
}
}
/* Check overlap capacitance parameters */
if (model->BSIM4cgdo < 0.0)
{ fprintf(fplog, "Warning: cgdo = %g is negative. Set to zero.\n", model->BSIM4cgdo);
printf("Warning: cgdo = %g is negative. Set to zero.\n", model->BSIM4cgdo);
model->BSIM4cgdo = 0.0;
}
if (model->BSIM4cgso < 0.0)
{ fprintf(fplog, "Warning: cgso = %g is negative. Set to zero.\n", model->BSIM4cgso);
printf("Warning: cgso = %g is negative. Set to zero.\n", model->BSIM4cgso);
model->BSIM4cgso = 0.0;
}
if (model->BSIM4cgbo < 0.0)
{ fprintf(fplog, "Warning: cgbo = %g is negative. Set to zero.\n", model->BSIM4cgbo);
printf("Warning: cgbo = %g is negative. Set to zero.\n", model->BSIM4cgbo);
model->BSIM4cgbo = 0.0;
}
/* v4.7 */
if (model->BSIM4tnoiMod == 1 || model->BSIM4tnoiMod == 2) {
if (model->BSIM4tnoia < 0.0) {
fprintf(fplog, "Warning: tnoia = %g is negative. Set to zero.\n", model->BSIM4tnoia);
printf("Warning: tnoia = %g is negative. Set to zero.\n", model->BSIM4tnoia);
model->BSIM4tnoia = 0.0;
}
if (model->BSIM4tnoib < 0.0) {
fprintf(fplog, "Warning: tnoib = %g is negative. Set to zero.\n", model->BSIM4tnoib);
printf("Warning: tnoib = %g is negative. Set to zero.\n", model->BSIM4tnoib);
model->BSIM4tnoib = 0.0;
}
if (model->BSIM4rnoia < 0.0) {
fprintf(fplog, "Warning: rnoia = %g is negative. Set to zero.\n", model->BSIM4rnoia);
printf("Warning: rnoia = %g is negative. Set to zero.\n", model->BSIM4rnoia);
model->BSIM4rnoia = 0.0;
}
if (model->BSIM4rnoib < 0.0) {
fprintf(fplog, "Warning: rnoib = %g is negative. Set to zero.\n", model->BSIM4rnoib);
printf("Warning: rnoib = %g is negative. Set to zero.\n", model->BSIM4rnoib);
model->BSIM4rnoib = 0.0;
}
}
/* v4.7 */
if (model->BSIM4tnoiMod == 2) {
if (model->BSIM4tnoic < 0.0) {
fprintf(fplog, "Warning: tnoic = %g is negative. Set to zero.\n", model->BSIM4tnoic);
printf("Warning: tnoic = %g is negative. Set to zero.\n", model->BSIM4tnoic);
model->BSIM4tnoic = 0.0;
}
if (model->BSIM4rnoic < 0.0) {
fprintf(fplog, "Warning: rnoic = %g is negative. Set to zero.\n", model->BSIM4rnoic);
printf("Warning: rnoic = %g is negative. Set to zero.\n", model->BSIM4rnoic);
model->BSIM4rnoic = 0.0;
}
}
/* Limits of Njs and Njd modified in BSIM4.7 */
if (model->BSIM4SjctEmissionCoeff < 0.1) {
fprintf(fplog, "Warning: Njs = %g is less than 0.1. Setting Njs to 0.1.\n", model->BSIM4SjctEmissionCoeff);
printf("Warning: Njs = %g is less than 0.1. Setting Njs to 0.1.\n", model->BSIM4SjctEmissionCoeff);
model->BSIM4SjctEmissionCoeff = 0.1;
}
else if (model->BSIM4SjctEmissionCoeff < 0.7) {
fprintf(fplog, "Warning: Njs = %g is less than 0.7.\n", model->BSIM4SjctEmissionCoeff);
printf("Warning: Njs = %g is less than 0.7.\n", model->BSIM4SjctEmissionCoeff);
}
if (model->BSIM4DjctEmissionCoeff < 0.1) {
fprintf(fplog, "Warning: Njd = %g is less than 0.1. Setting Njd to 0.1.\n", model->BSIM4DjctEmissionCoeff);
printf("Warning: Njd = %g is less than 0.1. Setting Njd to 0.1.\n", model->BSIM4DjctEmissionCoeff);
model->BSIM4DjctEmissionCoeff = 0.1;
}
else if (model->BSIM4DjctEmissionCoeff < 0.7) {
fprintf(fplog, "Warning: Njd = %g is less than 0.7.\n", model->BSIM4DjctEmissionCoeff);
printf("Warning: Njd = %g is less than 0.7.\n", model->BSIM4DjctEmissionCoeff);
}
if (model->BSIM4njtsstemp < 0.0)
{ fprintf(fplog, "Warning: Njts = %g is negative at temperature = %g.\n",
model->BSIM4njtsstemp, ckt->CKTtemp);
printf("Warning: Njts = %g is negative at temperature = %g.\n",
model->BSIM4njtsstemp, ckt->CKTtemp);
}
if (model->BSIM4njtsswstemp < 0.0)
{ fprintf(fplog, "Warning: Njtssw = %g is negative at temperature = %g.\n",
model->BSIM4njtsswstemp, ckt->CKTtemp);
printf("Warning: Njtssw = %g is negative at temperature = %g.\n",
model->BSIM4njtsswstemp, ckt->CKTtemp);
}
if (model->BSIM4njtsswgstemp < 0.0)
{ fprintf(fplog, "Warning: Njtsswg = %g is negative at temperature = %g.\n",
model->BSIM4njtsswgstemp, ckt->CKTtemp);
printf("Warning: Njtsswg = %g is negative at temperature = %g.\n",
model->BSIM4njtsswgstemp, ckt->CKTtemp);
}
if (model->BSIM4njtsdGiven && model->BSIM4njtsdtemp < 0.0)
{ fprintf(fplog, "Warning: Njtsd = %g is negative at temperature = %g.\n",
model->BSIM4njtsdtemp, ckt->CKTtemp);
printf("Warning: Njtsd = %g is negative at temperature = %g.\n",
model->BSIM4njtsdtemp, ckt->CKTtemp);
}
if (model->BSIM4njtsswdGiven && model->BSIM4njtsswdtemp < 0.0)
{ fprintf(fplog, "Warning: Njtsswd = %g is negative at temperature = %g.\n",
model->BSIM4njtsswdtemp, ckt->CKTtemp);
printf("Warning: Njtsswd = %g is negative at temperature = %g.\n",
model->BSIM4njtsswdtemp, ckt->CKTtemp);
}
if (model->BSIM4njtsswgdGiven && model->BSIM4njtsswgdtemp < 0.0)
{ fprintf(fplog, "Warning: Njtsswgd = %g is negative at temperature = %g.\n",
model->BSIM4njtsswgdtemp, ckt->CKTtemp);
printf("Warning: Njtsswgd = %g is negative at temperature = %g.\n",
model->BSIM4njtsswgdtemp, ckt->CKTtemp);
}
if (model->BSIM4ntnoi < 0.0)
{ fprintf(fplog, "Warning: ntnoi = %g is negative. Set to zero.\n", model->BSIM4ntnoi);
printf("Warning: ntnoi = %g is negative. Set to zero.\n", model->BSIM4ntnoi);
model->BSIM4ntnoi = 0.0;
}
/* diode model */
if (model->BSIM4SbulkJctBotGradingCoeff >= 0.99)
{ fprintf(fplog, "Warning: MJS = %g is too big. Set to 0.99.\n", model->BSIM4SbulkJctBotGradingCoeff);
printf("Warning: MJS = %g is too big. Set to 0.99.\n", model->BSIM4SbulkJctBotGradingCoeff);
model->BSIM4SbulkJctBotGradingCoeff = 0.99;
}
if (model->BSIM4SbulkJctSideGradingCoeff >= 0.99)
{ fprintf(fplog, "Warning: MJSWS = %g is too big. Set to 0.99.\n", model->BSIM4SbulkJctSideGradingCoeff);
printf("Warning: MJSWS = %g is too big. Set to 0.99.\n", model->BSIM4SbulkJctSideGradingCoeff);
model->BSIM4SbulkJctSideGradingCoeff = 0.99;
}
if (model->BSIM4SbulkJctGateSideGradingCoeff >= 0.99)
{ fprintf(fplog, "Warning: MJSWGS = %g is too big. Set to 0.99.\n", model->BSIM4SbulkJctGateSideGradingCoeff);
printf("Warning: MJSWGS = %g is too big. Set to 0.99.\n", model->BSIM4SbulkJctGateSideGradingCoeff);
model->BSIM4SbulkJctGateSideGradingCoeff = 0.99;
}
if (model->BSIM4DbulkJctBotGradingCoeff >= 0.99)
{ fprintf(fplog, "Warning: MJD = %g is too big. Set to 0.99.\n", model->BSIM4DbulkJctBotGradingCoeff);
printf("Warning: MJD = %g is too big. Set to 0.99.\n", model->BSIM4DbulkJctBotGradingCoeff);
model->BSIM4DbulkJctBotGradingCoeff = 0.99;
}
if (model->BSIM4DbulkJctSideGradingCoeff >= 0.99)
{ fprintf(fplog, "Warning: MJSWD = %g is too big. Set to 0.99.\n", model->BSIM4DbulkJctSideGradingCoeff);
printf("Warning: MJSWD = %g is too big. Set to 0.99.\n", model->BSIM4DbulkJctSideGradingCoeff);
model->BSIM4DbulkJctSideGradingCoeff = 0.99;
}
if (model->BSIM4DbulkJctGateSideGradingCoeff >= 0.99)
{ fprintf(fplog, "Warning: MJSWGD = %g is too big. Set to 0.99.\n", model->BSIM4DbulkJctGateSideGradingCoeff);
printf("Warning: MJSWGD = %g is too big. Set to 0.99.\n", model->BSIM4DbulkJctGateSideGradingCoeff);
model->BSIM4DbulkJctGateSideGradingCoeff = 0.99;
}
if (model->BSIM4wpemod == 1)
{
if (model->BSIM4scref <= 0.0)
{ fprintf(fplog, "Warning: SCREF = %g is not positive. Set to 1e-6.\n", model->BSIM4scref);
printf("Warning: SCREF = %g is not positive. Set to 1e-6.\n", model->BSIM4scref);
model->BSIM4scref = 1e-6;
}
/*Move these checks to temp.c for sceff calculation*/
/*
if (here->BSIM4sca < 0.0)
{ fprintf(fplog, "Warning: SCA = %g is negative. Set to 0.0.\n", here->BSIM4sca);
printf("Warning: SCA = %g is negative. Set to 0.0.\n", here->BSIM4sca);
here->BSIM4sca = 0.0;
}
if (here->BSIM4scb < 0.0)
{ fprintf(fplog, "Warning: SCB = %g is negative. Set to 0.0.\n", here->BSIM4scb);
printf("Warning: SCB = %g is negative. Set to 0.0.\n", here->BSIM4scb);
here->BSIM4scb = 0.0;
}
if (here->BSIM4scc < 0.0)
{ fprintf(fplog, "Warning: SCC = %g is negative. Set to 0.0.\n", here->BSIM4scc);
printf("Warning: SCC = %g is negative. Set to 0.0.\n", here->BSIM4scc);
here->BSIM4scc = 0.0;
}
if (here->BSIM4sc < 0.0)
{ fprintf(fplog, "Warning: SC = %g is negative. Set to 0.0.\n", here->BSIM4sc);
printf("Warning: SC = %g is negative. Set to 0.0.\n", here->BSIM4sc);
here->BSIM4sc = 0.0;
}
*/
}
}/* loop for the parameter check for warning messages */
fclose(fplog);
}
else
{ fprintf(stderr, "Warning: Can't open log file. Parameter checking skipped.\n");
}
return(Fatal_Flag);
}