Res r3 model issue #318

ihp-sg13g2/libs.tech/ngspice/.spiceinit

@@ -23,5 +23,6 @@ setcs sourcepath = (  $sourcepath $PDK_ROOT/$PDK/libs.tech/ngspice/models $PDK_R
 *set noinit
 
 * add OSDI 
-osdi  '$PDK_ROOT/$PDK/libs.tech/ngspice/openvaf/psp103_nqs.osdi'
+osdi  '$PDK_ROOT/$PDK/libs.tech/verilog-a/psp103_nqs.osdi'
+osdi  '$PDK_ROOT/$PDK/libs.tech/verilog-a/r3_cmc.osdi'
 

ihp-sg13g2/libs.tech/ngspice/models/cornerRES.lib

@@ -1,33 +1,33 @@
 *#######################################################################
 *
 * Copyright 2023 IHP PDK Authors
-* 
+*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
-* 
+*
 *    https://www.apache.org/licenses/LICENSE-2.0
-* 
+*
 * Unless required by applicable law or agreed to in writing, software
 *distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 *#######################################################################
-* Typical without statistical modeling          
-.LIB res_typ  
+* Typical without statistical modeling
+.LIB res_typ
   .param rsh_rhigh = 1360
   .param rsh_rppd  = 260.0
   .param rsh_rsil  = 7.0
   .param res_area  = 1.0
   .param res_rpara = 1.0
-           
+
 .include resistors_mod.lib
 .ENDL res_typ
-  
+
 * Typical with statistical modeling
-.LIB res_typ_stat  
+.LIB res_typ_stat
   .param rsh_rhigh_norm= 1360
   .param rsh_rppd_norm= 260.0
   .param rsh_rsil_norm= 7.0
@@ -38,19 +38,30 @@
 .include resistors_mod.lib
 .ENDL res_typ_stat
 
+* Typical with mismatch modeling
+.LIB res_typ_mismatch
+  .param rsh_rhigh = 1360
+  .param rsh_rppd  = 260.0
+  .param rsh_rsil  = 7.0
+  .param res_area  = 1.0
+  .param res_rpara = 1.0
+
+.include resistors_mod_mismatch.lib
+.ENDL res_typ
+
 * Best Case without statistical modeling
-.LIB res_bcs  
+.LIB res_bcs
   .param rsh_rhigh = 1020
   .param rsh_rppd  = 234.0
   .param rsh_rsil  = 6.02
   .param res_area  = 1.0
   .param res_rpara = 1.0
-           
+
 .include resistors_mod.lib
 .ENDL res_bcs
-  
+
 * Best Case with statistical modeling
-.LIB res_bcs_stat  
+.LIB res_bcs_stat
   .param rsh_rhigh_norm= 1020
   .param rsh_rppd_norm= 234.0
   .param rsh_rsil_norm= 6.02
@@ -60,20 +71,31 @@
 .include resistors_stat.lib
 .include resistors_mod.lib
 .ENDL res_bcs_stat
-
+
+* Best Case with mismatch modeling
+.LIB res_bcs_mismatch
+  .param rsh_rhigh = 1020
+  .param rsh_rppd  = 234.0
+  .param rsh_rsil  = 6.02
+  .param res_area  = 1.0
+  .param res_rpara = 1.0
+
+.include resistors_mod_mismatch.lib
+.ENDL res_bcs
+
 * Worst Case without statistical modeling
-.LIB res_wcs  
+.LIB res_wcs
   .param rsh_rhigh = 1700
   .param rsh_rppd  = 286.0
   .param rsh_rsil  = 7.98
   .param res_area  = 1.0
   .param res_rpara = 1.0
-           
+
 .include resistors_mod.lib
 .ENDL res_wcs
-  
+
 * Worst Case with statistical modeling
-.LIB res_wcs_stat  
+.LIB res_wcs_stat
   .param rsh_rhigh_norm= 1700
   .param rsh_rppd_norm= 286.0
   .param rsh_rsil_norm= 7.98
@@ -83,3 +105,14 @@
 .include resistors_stat.lib
 .include resistors_mod.lib
 .ENDL res_wcs_stat
+
+* Worst Case with mismatch modeling
+.LIB res_wcs_mismatch
+  .param rsh_rhigh = 1700
+  .param rsh_rppd  = 286.0
+  .param rsh_rsil  = 7.98
+  .param res_area  = 1.0
+  .param res_rpara = 1.0
+
+.include resistors_mod_mismatch.lib
+.ENDL res_wcs

ihp-sg13g2/libs.tech/ngspice/models/resistors_mod.lib

@@ -1,73 +1,206 @@
 *#######################################################################
 *
 * Copyright 2023 IHP PDK Authors
-* 
+*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
-* 
+*
 *    https://www.apache.org/licenses/LICENSE-2.0
-* 
+*
 * Unless required by applicable law or agreed to in writing, software
 *distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 *#######################################################################
-
-.include resistors_parm.lib 
-
+
 **ptap1 (TIE SUB)
-.subckt ptap1 1 2 
+.subckt ptap1 1 2
 R1 1 2 R=262.847
 .ends ptap1
 
 **ntap1 (TIE WELL)
-.subckt ntap1 1 2 
+.subckt ntap1 1 2
 R1 1 2 R=262.847
 .ends ntap1
 
 * Parasitic R/C models
-* aluminum: prozess tol. res_rpara 
+* aluminum: prozess tol. res_rpara
 * value is taken from extraction routine
-.subckt Rparasitic 1 2 
+.subckt Rparasitic 1 2
 .param R=0 w=0 l=0 TC1=0.00353 TC2=0
-R1 1 2 R=r*res_rpara TC1=TC1 TC2=TC2 
+R1 1 2 R=r*res_rpara TC1=TC1 TC2=TC2
 .ends Rparasitic
 
 .subckt rsil 1 3
-.param w=0.5e-6 l=0.5e-6 b=0 m=1
+.param w=0.5e-6 l=0.5e-6 b=0 m=1 trise=0 sw_et=0
++postsim=0
 +kappa=1.85
 +ps=0.18e-6
++weff=w+0.01e-6
 +leff=(b+1)*l+(2/kappa*weff+ps)*b
-+res_rzspec=2*rzspec/w
-+weff=w+0.01e-6
-+rzspec=4.5e-6
-R1 1 2 res_rsil L=leff W=weff m=m
++rzspec=4.5e-6
++res_rzspec=2*rzspec/w
++lhead=0.86e-6
++cax=90e-18
++cpx=25e-18
++ax=175e-18*(1-1/(1.5*leff*1e6+1))/cax
++px=115e-18/cpx
++a0=0.5*(leff+lhead)*w-(postsim>0)*w*ax*1e-6
++a=(a0>0)*a0
++p0=leff+lhead+w-(postsim>0)*px*1e-6
++p=(p0>0)*p0
++rshspec=7
++rqrc=4.5e-6
++rz=rzspec/w-(postsim>0)*rqrc/w
+
+NR1 1 0 2 dt rmod_rsil L=leff W=weff m=m
++a1=a a2=a
++p1=p p2=p
++c1=1 c2=1
++trise=trise
++sw_et=sw_et
+
 R2 2 3 R=res_rzspec TC1=3100e-6 TC2=0.3e-6 m=m
+
+.model rmod_rsil r3_cmc
++rsh=rsh_rsil
++ecrit=1000
++dfinf=1e-4
++dp=1000
++xw=0.01
++rc=rz
++ca=cax
++cp=cpx
++tc1=3100e-6
++tc2=0.3e-6
++tc1rc=3100e-6
++tc2rc=0.3e-6
++gth0=1e-12
++gtha=6e-6
++gthp=2e-6
++gthc=1e-12
++cth0=0
++cthp=0
++ctha=594e-15
++cthc=0
++kfn=2.812e-12
++afn=1.607
++bfn=1.267
+
 .ends rsil
 
-.subckt rhigh 1 3 
-.param w=0.5e-6 l=0.96e-6 b=0 m=1
+.subckt rhigh 1 3
+.param w=0.5e-6 l=0.96e-6 b=0 trise=0 m=1 sw_et=0
++postsim=0
 +kappa=1.85
 +ps=0.18e-6
++weff=w-0.04e-6
 +leff=(b+1)*l+(2/kappa*weff+ps)*b
-+res_rzspec=2*rzspec/w
-+weff=w-0.04e-6
-+rzspec=80e-6
-R1 1 2 res_rhigh L=leff W=weff m=m
++lhead=0.86e-6
++rzspec=80e-6
++res_rzspec=2*rzspec/w
++cax=90e-18
++cpx=25e-18
++ax=175e-18*(1-1/(1.5*leff*1e6+1))/cax
++px=115e-18/cpx
++a0=0.5*(leff+lhead)*w-(postsim>0)*w*ax*1e-6
++a=(a0>0)*a0
++p0=leff+lhead+w-(postsim>0)*px*1e-6
++p=(p0>0)*p0
++rshspec=1360
++rqrc=4.5e-6
++rz=rzspec/w-(postsim>0)*rqrc/w
+
+NR1 1 0 2 dt rmod_rhigh L=leff W=weff m=m
++a1=a a2=a
++p1=p p2=p
++c1=1 c2=1
++trise=trise
++sw_et=1
+
 R2 2 3 R=res_rzspec TC1=-2300e-6 TC2=2.1e-6 m=m
+
+.model rmod_rhigh r3_cmc
++rsh=rsh_rhigh
++ecrit=1000
++dfinf=1e-4
++dp=1000
++xw=-0.04
++rc=rz
++ca=cax
++cp=cpx
++tc1=-2300e-6
++tc2=2.1e-6
++tc1rc=-2300e-6
++tc2rc=2.1e-6
++gth0=1e-12
++gtha=6e-6
++gthp=2e-6
++gthc=1e-12
++cth0=0
++cthp=0
++ctha=594e-15
++cthc=0
++kfn=5.205e-10
++afn=1.935
++bfn=0.9086
+
 .ends rhigh
 
-.subckt rppd 1 3 
-.param w=0.5e-6 l=0.5e-6 b=0 m=1
+.subckt rppd 1 3
+.param w=0.5e-6 l=0.5e-6 b=0 ps=0.18e-6 trise=0 m=1 sw_et=0
++postsim=0
 +kappa=1.85
-+ps=0.18e-6
++weff=w+0.006e-6
 +leff=(b+1)*l+(2/kappa*weff+ps)*b
++lhead=0.86e-6
++rzspec=35e-6
 +res_rzspec=2*rzspec/w
-+weff=w+0.006e-6
-+rzspec=35e-6
-R1 1 2 res_rppd L=leff W=weff m=m
-R2 2 3 R=res_rzspec TC1=-950e-6 m=m
++cax=90e-18
++cpx=25e-18
++ax=175e-18*(1-1/(1.5*leff*1e6+1))/cax
++px=115e-18/cpx
++a0=0.5*(leff+lhead)*w-(postsim>0)*w*ax*1e-6
++a=(a0>0)*a0
++p0=leff+lhead+w-(postsim>0)*px*1e-6
++p=(p0>0)*p0
++rqrc=4.5e-6
++rz=rzspec/w-(postsim>0)*rqrc/w
+
+NR1 1 0 2 dt res_rppd L=leff W=weff m=m
++a1=a a2=a
++p1=p p2=p
++c1=1 c2=1
++trise=trise
++sw_et=sw_et
+
+R2 2 3 R=res_rzspec TC1=-950e-6 m=m
+
+.model res_rppd r3_cmc
++rsh=rsh_rppd
++ecrit=1000
++dfinf=1e-4
++dp=1000
++xw=0.006
++rc=rz
++ca=cax
++cp=cpx
++tc1=170e-6
++tc2=0.4e-6
++tc1rc=-950e-6
++gth0=1e-12
++gtha=6e-6
++gthp=2e-6
++gthc=1e-12
++cth0=0
++cthp=0
++ctha=594e-15
++cthc=0
++kfn=4.601e-11
++afn=1.886
++bfn=0.9963
+
 .ends rppd