| .subckt xcnwvc c0 c1 b w=5 l=0.5 vm=1 |
| + wc='w*1' lc='l*1' |
| |
| ** Corner Parameters |
| *.param cnwvc_tox=41.6503 |
| *.param cnwvc_cdepmult=1 |
| *.param cnwvc_cintmult=1 |
| *.param cnwvc_vt1=0.3333 |
| *.param cnwvc_vt2=0.2380952 |
| *.param cnwvc_vtr=0.16 |
| *.param cnwvc_dwc=0.0 $ in microns each side |
| *.param cnwvc_dlc=0.0 $ in microns each side |
| *.param cnwvc_dld=0.0 $ in microns each side |
| |
| *Geometry Parameters |
| .param |
| +cnwvc_ldiff=0.15 |
| +wd='wc+2*cnwvc_dwc' |
| +ld='lc+2*cnwvc_dlc' |
| +ldd='0.018+2*cnwvc_dld' |
| +dwr=-0.02 |
| +dwp=-0.5 |
| +dlr=0.02 |
| +wl='(wd-2*dwr)/(ld-2*dlr)' |
| +wlwdiff='((0.5*(ld-2*dlr))+cnwvc_ldiff)/(2*(wd-2*dwr))' |
| |
| *Mismatch Parameters |
| +xcnwvc_cmin_slope_l=1.1e-16 |
| +xcnwvc_cmin_slope_w=1.5e-16 |
| +xcnwvc_cmin_slope_wl=3.5e-16 |
| +xcnwvc_cmax_slope_l=7.0e-16 |
| +xcnwvc_cmax_slope_w=7.0e-16 |
| +xcnwvc_cmax_slope_wl=1.5e-15 |
| |
| ** Capacitance Model Parameters |
| .param cnwvc_slope1=0.21875 |
| .param cnwvc_slope2=0.125 |
| .param |
| +cm0='5.571e-16*cnwvc_cintmult' |
| +cm1=4.775e-16 dev/gauss='xcnwvc_cmin_slope_l/sqrt(2*ld*vm)' |
| +cm2=2.019e-16 dev/gauss='xcnwvc_cmin_slope_w/sqrt(2*wd*vm)' |
| +cm3='6.529e-16*cnwvc_cdepmult' dev/gauss='xcnwvc_cmin_slope_wl*cnwvc_cdepmult/sqrt(2*ld*wd*vm)' |
| +cx0=6.261e-16 |
| +cx1=5.75e-16 dev/gauss='xcnwvc_cmax_slope_l/sqrt(2*ld*vm)' |
| +cx2=1.712e-16 dev/gauss='xcnwvc_cmax_slope_w/sqrt(2*wd*vm)' |
| +cx3='8.854e-14*3.9/cnwvc_tox' dev/gauss='xcnwvc_cmax_slope_wl/sqrt(2*wd*ld*vm)' |
| |
| .param cmin='cm0+cm1*ld+cm2*wd+cm3*wd*(ld-ldd)+cx3*wd*ldd' |
| .param cmax='cx0+cx1*ld+cx2*wd+cx3*wd*ld' |
| .param cval1='0.5*(cmax+cmin)' |
| .param cval2='0.5*(cmax-cmin)' |
| |
| *cg c0 p2 c='(cval1+cval2*(1/1.9)*(tanh((v(c0)-v(c1)-cnwvc_vt1)/cnwvc_slope1)+0.9*tanh((v(c0)-v(c1)-cnwvc_vt2)/cnwvc_slope2)))*vm' |
| |
| *c3 and c4 are the tuning capacitors |
| *c3 c0 b c=0.15e-15 |
| *c4 c1 b c=0.15e-15 |
| |
| ** Resistance Model Parameters |
| .param con_sp=0.17 |
| .param cnwvc_k=12 $contacts on both sides |
| .param cnwvc_n1=0.1 $fitting parameter for r |
| .param cnwvc_n2=0.28 $fitting parameter for r |
| .param apoly=1.15 |
| .param apolyc=1 |
| .param acon=1 |
| .param anwell=1 |
| .param bnwell=0.6 |
| .param cnwell=2 |
| .param n_pocon='max((lc-0.14)/(2*con_sp),1)' $numbers of poly contact |
| .param n_con='(wc-2*0.06+con_sp)/(2*con_sp)' $numbers of contacts |
| |
| .param cnwvc_a='apoly*rp1*wl/cnwvc_k+apolyc*rcp1/n_pocon+acon*rcn/n_con+anwell*rnw*wlwdiff' |
| .param cnwvc_b1='bnwell*rnw*wlwdiff' |
| .param cnwvc_c='cnwell*rnw*((0.5*(ld-2*dlr))+cnwvc_ldiff)/(2*(wd-2*dwp))' |
| |
| *rg p2 c1 r='(cnwvc_a+cnwvc_b1*(0.5*tanh((v(c0)-v(c1)-cnwvc_vtr)/cnwvc_n1)+0.5)+20*cnwvc_c*(0.5*tanh((v(c0)-v(c1)-cnwvc_vtr)/cnwvc_n1)+0.5)*exp(-abs((v(c0)-v(c1)-cnwvc_vtr)/cnwvc_n2)))/vm' tc1=3e-3 tc2=0 |
| |
| ***Verilog A Model Call HERE |
| .use_veriloga xcnwvc.ai |
| .model xcnwvc_va macro lang=veriloga |
| Yvaractor xcnwvc_va c0 c1 b generic: w=w l=l vm=vm cnwvc_tox=cnwvc_tox cnwvc_cdepmult=cnwvc_cdepmult cnwvc_cintmult=cnwvc_cintmult cnwvc_vt1=cnwvc_vt1 cnwvc_vt2=cnwvc_vt2 cnwvc_vtr=cnwvc_vtr cnwvc_dwc=cnwvc_dwc cnwvc_dlc=cnwvc_dlc cnwvc_dld=cnwvc_dld rp1=rp1 rcn=rcn rcp1=rcp1 rnw=rnw cm0=cm0 cm1=cm1 cm2=cm2 cm3=cm3 cx0=cx0 cx1=cx1 cx2=cx2 cx3=cx3 |
| |
| |
| .ends xcnwvc |
| *************************************************************************************** |
| .subckt xcnwvc2 c0 c1 b w=5 l=0.5 vm=1 |
| + wc='w*1' lc='l*1' |
| |
| ** Corner Parameters |
| *.param cnwvc2_tox=41.7642 |
| *.param cnwvc2_cdepmult=1 |
| *.param cnwvc2_cintmult=1 |
| *.param cnwvc2_vt1=0.2 |
| *.param cnwvc2_vt2=0.33 |
| *.param cnwvc2_vtr=0.14 |
| *.param cnwvc2_dwc=0.0 $ in microns each side |
| *.param cnwvc2_dlc=0.0 $ in microns each side |
| *.param cnwvc2_dld=0.0 $ in microns each side |
| * |
| *Geometry Parameters |
| .param |
| +cnwvc_ldiff=0.15 |
| +wd='wc+2*cnwvc2_dwc' |
| +ld='lc+2*cnwvc2_dlc' |
| +ldd='0.015+2*cnwvc2_dld' |
| +dwr=0.00 |
| +dwp=0.0 |
| +dlr=0.03 |
| +wl='(wd-2*dwr)/(ld-2*dlr)' |
| +wlwdiff='((0.5*(ld-2*dlr))+cnwvc_ldiff)/(2*(wd-2*dwr))' |
| |
| *Mismatch Parameters |
| +xcnwvc2_cmin_slope_l=2.4e-16 |
| +xcnwvc2_cmin_slope_w=1.0e-16 |
| +xcnwvc2_cmin_slope_wl=4.0e-16 |
| +xcnwvc2_cmax_slope_l=3.0e-16 |
| +xcnwvc2_cmax_slope_w=7.0e-16 |
| +xcnwvc2_cmax_slope_wl=1.0e-15 |
| |
| ** Capacitance Model Parameters |
| .param cnwvc_slope1=0.15 |
| .param cnwvc_slope2=0.35 |
| .param |
| +cm0='5.828e-16*cnwvc2_cintmult' |
| +cm1=4.596e-16 dev/gauss='xcnwvc2_cmin_slope_l/sqrt(2*ld*vm)' |
| +cm2=1.614e-16 dev/gauss='xcnwvc2_cmin_slope_w/sqrt(2*wd*vm)' |
| +cm3='1.541e-15*cnwvc2_cdepmult' dev/gauss='xcnwvc2_cmin_slope_wl**cnwvc2_cdepmult/sqrt(2*ld*wd*vm)' |
| +cx0=6.778e-16 |
| +cx1=6.461e-16 dev/gauss='xcnwvc2_cmax_slope_l/sqrt(2*ld*vm)' |
| +cx2=1.517e-16 dev/gauss='xcnwvc2_cmax_slope_w/sqrt(2*wd*vm)' |
| +cx3='8.854e-14*3.9/cnwvc2_tox' dev/gauss='xcnwvc2_cmax_slope_wl/sqrt(2*ld*wd*vm)' |
| |
| .param cmin='cm0+cm1*ld+cm2*wd+cm3*wd*(ld-ldd)+cx3*wd*ldd' |
| .param cmax='cx0+cx1*ld+cx2*wd+cx3*wd*ld' |
| .param cval1='0.5*(cmax+cmin)' |
| .param cval2='0.5*(cmax-cmin)' |
| |
| *cg c0 p2 c='(cval1+cval2*(1/1.9)*(tanh((v(c0)-v(c1)-cnwvc2_vt1)/cnwvc_slope1)+0.9*tanh((v(c0)-v(c1)-cnwvc2_vt2)/cnwvc_slope2)))*vm' |
| |
| *c3 and c4 are the tuning capacitors |
| *c3 c0 b c=0.15e-15 |
| *c4 c1 b c=0.15e-15 |
| |
| ** Resistance Model Parameters |
| .param con_sp=0.17 |
| .param cnwvc_k=12 $contacts on both sides |
| .param cnwvc_n1=0.2 $fitting parameter for r |
| .param cnwvc_n2=0.35 $fitting parameter for r |
| .param apoly=1.1 |
| .param apolyc=1.1 |
| .param acon=1 |
| .param anwell=1 |
| .param bnwell=0.5 |
| .param cnwell=0.3 |
| .param n_pocon='max((lc-0.14)/(2*con_sp),1)' $numbers of poly contact |
| .param n_con='(wc-2*0.06+con_sp)/(2*con_sp)' $numbers of contacts |
| |
| .param cnwvc_a='apoly*rp1*wl/cnwvc_k+apolyc*rcp1/n_pocon+acon*rcn/n_con+anwell*rnw*wlwdiff' |
| .param cnwvc_b1='bnwell*rnw*cnwvc_ldiff/(2*(wd-2*dwr))' |
| .param cnwvc_c='cnwell*rnw*cnwvc_ldiff/(2*(wd-2*dwp))' |
| |
| *rg p2 c1 r='(cnwvc_a+cnwvc_b1*(0.5*tanh((v(c0)-v(c1)-cnwvc2_vtr)/cnwvc_n1)+0.5)+20*cnwvc_c*(0.5*tanh((v(c0)-v(c1)-cnwvc2_vtr)/cnwvc_n1)+0.5)*exp(-abs((v(c0)-v(c1)-cnwvc2_vtr)/cnwvc_n2)))/vm' tc1=3e-3 tc2=0 |
| |
| ***Verilog A Model Call HERE |
| .use_veriloga xcnwvc.ai |
| .model xcnwvc2_va macro lang=veriloga |
| Yvaractor xcnwvc2_va c0 c1 b generic: w=w l=l vm=vm cnwvc2_tox=cnwvc2_tox cnwvc2_cdepmult=cnwvc2_cdepmult cnwvc2_cintmult=cnwvc2_cintmult cnwvc2_vt1=cnwvc2_vt1 cnwvc2_vt2=cnwvc2_vt2 cnwvc2_vtr=cnwvc2_vtr cnwvc2_dwc=cnwvc2_dwc cnwvc2_dlc=cnwvc2_dlc cnwvc2_dld=cnwvc2_dld rp1=rp1 rcn=rcn rcp1=rcp1 rnw=rnw cm0=cm0 cm1=cm1 cm2=cm2 cm3=cm3 cx0=cx0 cx1=cx1 cx2=cx2 cx3=cx3 |
| |
| .ends xcnwvc2 |
| *************************************************************************************** |
