==================================
HiSIM_HV 1.1.1 Bug-fix Information
==================================

May 20, 2009
HiSIM Research Center,
Hiroshima University



[ Known Bug(s) ] : Bug-fixes will be done in the next release.


(1) Derivative were missing.
  (reported by Ansoft)

Please apply following patch to fix it:
/*-------------------------------------------------------------------------------*/
hsmhveval.c
--- HiSIM_HV 1.1.1
+++ bug-fixed version
@@ -4435,6 +4435,7 @@
       Fn_SZ( Etun , Etun, igate_dlt, T5) ;
       Etun += small ;
       Etun_dVgs *= T5 ;
+      Etun_dVbs *= T5 ;
 
       T1 = - pParam->HSMHV_glkb2 / Etun ;
       if ( T1 < - EXP_THR ) {
@@ -4444,12 +4445,13 @@
         T2 = exp ( T1 );
         T3 =  pParam->HSMHV_glkb2 / ( Etun * Etun ) * T2 ;
         T2_dVg = T3 * Etun_dVgs ;
+        T2_dVb = T3 * Etun_dVbs ;
           
         T3 = pParam->HSMHV_glkb1 * Weff * Leff ;
         Igb = T3 * Etun * Etun * T2 ;
         Igb_dVgs = T3 * (2.0 * Etun * Etun_dVgs * T2 + Etun * Etun * T2_dVg);
         Igb_dVds = 0.0 ;
-        Igb_dVbs = 0.0 ;
+        Igb_dVbs = T3 * (2.0 * Etun * Etun_dVbs * T2 + Etun * Etun * T2_dVb);
 	Igb_dT = 0.0;
       }
 
/*-------------------------------------------------------------------------------*/


(2) Duplicated code.
  (reported by Ansoft)

Please apply following patch to fix it:
/*-------------------------------------------------------------------------------*/
hsmhveval.c
--- HiSIM_HV 1.1.1
+++ bug-fixed version
@@ -4576,8 +4578,6 @@
     T1 = model->HSMHV_gidl3 * ( - Vdsp + model->HSMHV_gidl4 )
       - ( Vgs - Vdsp ) + ( dVthSC + dVthLP ) * model->HSMHV_gidl5 ;
 
-    T1 = model->HSMHV_gidl3 * ( - Vdsp + model->HSMHV_gidl4 )
-      - ( Vgs - Vdsp ) + ( dVthSC + dVthLP ) * model->HSMHV_gidl5 ;
     T1_dT = ( dVthSC_dT + dVthLP_dT ) * model->HSMHV_gidl5 ;
     T2 = 1.0 / Tox0 ;
     E1 = T1 * T2 ;
/*-------------------------------------------------------------------------------*/




Thank you,

HiSIM_HV developers