From 5a64b7849c92f90607fe7ffc440206489f8d6ea6 Mon Sep 17 00:00:00 2001 From: dwarning Date: Wed, 30 Oct 2013 20:15:27 +0100 Subject: [PATCH] devices/bsim4, implement BSIM4soaCheck() --- src/spicelib/devices/bsim4/Makefile.am | 1 + src/spicelib/devices/bsim4/b4.c | 7 ++ src/spicelib/devices/bsim4/b4mask.c | 20 +++++ src/spicelib/devices/bsim4/b4mpar.c | 26 ++++++ src/spicelib/devices/bsim4/b4set.c | 13 +++ src/spicelib/devices/bsim4/b4soachk.c | 110 +++++++++++++++++++++++++ src/spicelib/devices/bsim4/bsim4def.h | 21 +++++ src/spicelib/devices/bsim4/bsim4ext.h | 1 + src/spicelib/devices/bsim4/bsim4init.c | 2 +- visualc/vngspice.vcproj | 4 + 10 files changed, 204 insertions(+), 1 deletion(-) create mode 100644 src/spicelib/devices/bsim4/b4soachk.c diff --git a/src/spicelib/devices/bsim4/Makefile.am b/src/spicelib/devices/bsim4/Makefile.am index 9403a4129..047ffdfc6 100644 --- a/src/spicelib/devices/bsim4/Makefile.am +++ b/src/spicelib/devices/bsim4/Makefile.am @@ -20,6 +20,7 @@ libbsim4_la_SOURCES = \ b4par.c \ b4pzld.c \ b4set.c \ + b4soachk.c \ b4temp.c \ b4trunc.c \ bsim4def.h \ diff --git a/src/spicelib/devices/bsim4/b4.c b/src/spicelib/devices/bsim4/b4.c index 3353b2133..ce7e479e5 100644 --- a/src/spicelib/devices/bsim4/b4.c +++ b/src/spicelib/devices/bsim4/b4.c @@ -1031,6 +1031,13 @@ IOP( "ef", BSIM4_MOD_EF, IF_REAL, "Flicker noise frequency exponent"), IOP( "af", BSIM4_MOD_AF, IF_REAL, "Flicker noise exponent"), IOP( "kf", BSIM4_MOD_KF, IF_REAL, "Flicker noise coefficient"), +IOP("vgs_max", BSIM4_MOD_VGS_MAX, IF_REAL, "maximum voltage G-S branch"), +IOP("vgd_max", BSIM4_MOD_VGD_MAX, IF_REAL, "maximum voltage G-D branch"), +IOP("vgb_max", BSIM4_MOD_VGB_MAX, IF_REAL, "maximum voltage G-B branch"), +IOP("vds_max", BSIM4_MOD_VDS_MAX, IF_REAL, "maximum voltage D-S branch"), +IOP("vbs_max", BSIM4_MOD_VBS_MAX, IF_REAL, "maximum voltage B-S branch"), +IOP("vbd_max", BSIM4_MOD_VBD_MAX, IF_REAL, "maximum voltage B-D branch"), + IP( "nmos", BSIM4_MOD_NMOS, IF_FLAG, "Flag to indicate NMOS"), IP( "pmos", BSIM4_MOD_PMOS, IF_FLAG, "Flag to indicate PMOS"), }; diff --git a/src/spicelib/devices/bsim4/b4mask.c b/src/spicelib/devices/bsim4/b4mask.c index 4b2487834..5c5b3f7e6 100644 --- a/src/spicelib/devices/bsim4/b4mask.c +++ b/src/spicelib/devices/bsim4/b4mask.c @@ -2693,6 +2693,26 @@ IFvalue *value) case BSIM4_MOD_KF: value->rValue = model->BSIM4kf; return(OK); + + case BSIM4_MOD_VGS_MAX: + value->rValue = model->BSIM4vgsMax; + return(OK); + case BSIM4_MOD_VGD_MAX: + value->rValue = model->BSIM4vgdMax; + return(OK); + case BSIM4_MOD_VGB_MAX: + value->rValue = model->BSIM4vgbMax; + return(OK); + case BSIM4_MOD_VDS_MAX: + value->rValue = model->BSIM4vdsMax; + return(OK); + case BSIM4_MOD_VBS_MAX: + value->rValue = model->BSIM4vbsMax; + return(OK); + case BSIM4_MOD_VBD_MAX: + value->rValue = model->BSIM4vbdMax; + return(OK); + default: return(E_BADPARM); } diff --git a/src/spicelib/devices/bsim4/b4mpar.c b/src/spicelib/devices/bsim4/b4mpar.c index ca3578a3c..7fc0e25ce 100644 --- a/src/spicelib/devices/bsim4/b4mpar.c +++ b/src/spicelib/devices/bsim4/b4mpar.c @@ -3602,6 +3602,32 @@ GENmodel *inMod) mod->BSIM4kf = value->rValue; mod->BSIM4kfGiven = TRUE; break; + + case BSIM4_MOD_VGS_MAX: + mod->BSIM4vgsMax = value->rValue; + mod->BSIM4vgsMaxGiven = TRUE; + break; + case BSIM4_MOD_VGD_MAX: + mod->BSIM4vgdMax = value->rValue; + mod->BSIM4vgdMaxGiven = TRUE; + break; + case BSIM4_MOD_VGB_MAX: + mod->BSIM4vgbMax = value->rValue; + mod->BSIM4vgbMaxGiven = TRUE; + break; + case BSIM4_MOD_VDS_MAX: + mod->BSIM4vdsMax = value->rValue; + mod->BSIM4vdsMaxGiven = TRUE; + break; + case BSIM4_MOD_VBS_MAX: + mod->BSIM4vbsMax = value->rValue; + mod->BSIM4vbsMaxGiven = TRUE; + break; + case BSIM4_MOD_VBD_MAX: + mod->BSIM4vbdMax = value->rValue; + mod->BSIM4vbdMaxGiven = TRUE; + break; + case BSIM4_MOD_NMOS : if(value->iValue) { mod->BSIM4type = 1; diff --git a/src/spicelib/devices/bsim4/b4set.c b/src/spicelib/devices/bsim4/b4set.c index fd704c99c..96790106e 100644 --- a/src/spicelib/devices/bsim4/b4set.c +++ b/src/spicelib/devices/bsim4/b4set.c @@ -2088,6 +2088,19 @@ BSIM4instance **InstArray; if (!model->BSIM4kfGiven) model->BSIM4kf = 0.0; + if (!model->BSIM4vgsMaxGiven) + model->BSIM4vgsMax = 1e99; + if (!model->BSIM4vgdMaxGiven) + model->BSIM4vgdMax = 1e99; + if (!model->BSIM4vgbMaxGiven) + model->BSIM4vgbMax = 1e99; + if (!model->BSIM4vdsMaxGiven) + model->BSIM4vdsMax = 1e99; + if (!model->BSIM4vbsMaxGiven) + model->BSIM4vbsMax = 1e99; + if (!model->BSIM4vbdMaxGiven) + model->BSIM4vbdMax = 1e99; + /* stress effect */ if (!model->BSIM4sarefGiven) model->BSIM4saref = 1e-6; /* m */ diff --git a/src/spicelib/devices/bsim4/b4soachk.c b/src/spicelib/devices/bsim4/b4soachk.c new file mode 100644 index 000000000..c8b0d4b2d --- /dev/null +++ b/src/spicelib/devices/bsim4/b4soachk.c @@ -0,0 +1,110 @@ +/********** +Copyright 2013 Dietmar Warning. All rights reserved. +Author: 2013 Dietmar Warning +**********/ + +#include "ngspice/ngspice.h" +#include "ngspice/cktdefs.h" +#include "bsim4def.h" +#include "ngspice/trandefs.h" +#include "ngspice/sperror.h" +#include "ngspice/suffix.h" +#include "ngspice/cpdefs.h" + + +int +BSIM4soaCheck(CKTcircuit *ckt, GENmodel *inModel) +{ + BSIM4model *model = (BSIM4model *) inModel; + BSIM4instance *here; + double vgs, vgd, vgb, vds, vbs, vbd; /* actual mos voltages */ + int maxwarns; + static int warns_vgs = 0, warns_vgd = 0, warns_vgb = 0, warns_vds = 0, warns_vbs = 0, warns_vbd = 0; + + if (!ckt) { + warns_vgs = 0; + warns_vgd = 0; + warns_vgb = 0; + warns_vds = 0; + warns_vbs = 0; + warns_vbd = 0; + return OK; + } + + maxwarns = ckt->CKTsoaMaxWarns; + + for (; model; model = model->BSIM4nextModel) { + + for (here = model->BSIM4instances; here; here = here->BSIM4nextInstance) { + + vgs = fabs(ckt->CKTrhsOld [here->BSIM4gNodePrime] - + ckt->CKTrhsOld [here->BSIM4sNodePrime]); + + vgd = fabs(ckt->CKTrhsOld [here->BSIM4gNodePrime] - + ckt->CKTrhsOld [here->BSIM4dNodePrime]); + + vgb = fabs(ckt->CKTrhsOld [here->BSIM4gNodePrime] - + ckt->CKTrhsOld [here->BSIM4bNodePrime]); + + vds = fabs(ckt->CKTrhsOld [here->BSIM4dNodePrime] - + ckt->CKTrhsOld [here->BSIM4sNodePrime]); + + vbs = fabs(ckt->CKTrhsOld [here->BSIM4bNodePrime] - + ckt->CKTrhsOld [here->BSIM4sNodePrime]); + + vbd = fabs(ckt->CKTrhsOld [here->BSIM4bNodePrime] - + ckt->CKTrhsOld [here->BSIM4dNodePrime]); + + if (vgs > model->BSIM4vgsMax) + if (warns_vgs < maxwarns) { + soa_printf(ckt, (GENinstance*) here, + "|Vgs|=%g has exceeded Vgs_max=%g\n", + vgs, model->BSIM4vgsMax); + warns_vgs++; + } + + if (vgd > model->BSIM4vgdMax) + if (warns_vgd < maxwarns) { + soa_printf(ckt, (GENinstance*) here, + "|Vgd|=%g has exceeded Vgd_max=%g\n", + vgd, model->BSIM4vgdMax); + warns_vgd++; + } + + if (vgb > model->BSIM4vgbMax) + if (warns_vgb < maxwarns) { + soa_printf(ckt, (GENinstance*) here, + "|Vgb|=%g has exceeded Vgb_max=%g\n", + vgb, model->BSIM4vgbMax); + warns_vgb++; + } + + if (vds > model->BSIM4vdsMax) + if (warns_vds < maxwarns) { + soa_printf(ckt, (GENinstance*) here, + "|Vds|=%g has exceeded Vds_max=%g\n", + vds, model->BSIM4vdsMax); + warns_vds++; + } + + if (vbs > model->BSIM4vbsMax) + if (warns_vbs < maxwarns) { + soa_printf(ckt, (GENinstance*) here, + "|Vbs|=%g has exceeded Vbs_max=%g\n", + vbs, model->BSIM4vbsMax); + warns_vbs++; + } + + if (vbd > model->BSIM4vbdMax) + if (warns_vbd < maxwarns) { + soa_printf(ckt, (GENinstance*) here, + "|Vbd|=%g has exceeded Vbd_max=%g\n", + vbd, model->BSIM4vbdMax); + warns_vbd++; + } + + } + } + + return OK; +} diff --git a/src/spicelib/devices/bsim4/bsim4def.h b/src/spicelib/devices/bsim4/bsim4def.h index 3505fc347..bfdd9204a 100644 --- a/src/spicelib/devices/bsim4/bsim4def.h +++ b/src/spicelib/devices/bsim4/bsim4def.h @@ -1764,6 +1764,13 @@ typedef struct sBSIM4model double BSIM4af; double BSIM4kf; + double BSIM4vgsMax; + double BSIM4vgdMax; + double BSIM4vgbMax; + double BSIM4vdsMax; + double BSIM4vbsMax; + double BSIM4vbdMax; + struct bsim4SizeDependParam *pSizeDependParamKnot; #ifdef USE_OMP @@ -2620,6 +2627,13 @@ typedef struct sBSIM4model unsigned BSIM4afGiven :1; unsigned BSIM4kfGiven :1; + unsigned BSIM4vgsMaxGiven :1; + unsigned BSIM4vgdMaxGiven :1; + unsigned BSIM4vgbMaxGiven :1; + unsigned BSIM4vdsMaxGiven :1; + unsigned BSIM4vbsMaxGiven :1; + unsigned BSIM4vbdMaxGiven :1; + unsigned BSIM4LintGiven :1; unsigned BSIM4LlGiven :1; unsigned BSIM4LlcGiven :1; @@ -3735,6 +3749,13 @@ typedef struct sBSIM4model #define BSIM4_MOD_TNOIC 1272 #define BSIM4_MOD_RNOIC 1273 +#define BSIM4_MOD_VGS_MAX 1301 +#define BSIM4_MOD_VGD_MAX 1302 +#define BSIM4_MOD_VGB_MAX 1303 +#define BSIM4_MOD_VDS_MAX 1304 +#define BSIM4_MOD_VBS_MAX 1305 +#define BSIM4_MOD_VBD_MAX 1306 + #include "bsim4ext.h" extern void BSIM4evaluate(double,double,double,BSIM4instance*,BSIM4model*, diff --git a/src/spicelib/devices/bsim4/bsim4ext.h b/src/spicelib/devices/bsim4/bsim4ext.h index 171406ae5..4d3a93f0e 100644 --- a/src/spicelib/devices/bsim4/bsim4ext.h +++ b/src/spicelib/devices/bsim4/bsim4ext.h @@ -28,3 +28,4 @@ extern int BSIM4temp(GENmodel*,CKTcircuit*); extern int BSIM4trunc(GENmodel*,CKTcircuit*,double*); extern int BSIM4noise(int,int,GENmodel*,CKTcircuit*,Ndata*,double*); extern int BSIM4unsetup(GENmodel*,CKTcircuit*); +extern int BSIM4soaCheck(CKTcircuit *, GENmodel *); diff --git a/src/spicelib/devices/bsim4/bsim4init.c b/src/spicelib/devices/bsim4/bsim4init.c index 63bf6117b..e9d13577d 100644 --- a/src/spicelib/devices/bsim4/bsim4init.c +++ b/src/spicelib/devices/bsim4/bsim4init.c @@ -67,7 +67,7 @@ SPICEdev BSIM4info = { NULL, /* DEVsenTrunc */ NULL, /* DEVdisto */ BSIM4noise, /* DEVnoise */ - NULL, /* DEVsoaCheck */ + BSIM4soaCheck, /* DEVsoaCheck */ #ifdef CIDER NULL, /* DEVdump */ NULL, /* DEVacct */ diff --git a/visualc/vngspice.vcproj b/visualc/vngspice.vcproj index 7b5f89e95..4fa4eb9f5 100644 --- a/visualc/vngspice.vcproj +++ b/visualc/vngspice.vcproj @@ -3984,6 +3984,10 @@ RelativePath="..\src\spicelib\devices\bsim4\b4set.c" > + +