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add Benchmark_test for BSIM6 from Berkeley

This commit is contained in:
rlar 2017-05-14 18:00:11 +02:00
parent 020f6555d2
commit edfd25065d
12 changed files with 926 additions and 0 deletions
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27
Benchmark_test/gummel_nmos.sp Normal file
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*Sample netlist for BSIM6.0
*Drain current symmetry for nmos
.option abstol=1e-6 reltol=1e-6 post ingold
.hdl "bsim6.va"
.include "modelcard.nmos"
* --- Voltage Sources ---
vdrain drain 0 dc=0
esource source 0 drain 0 -1
vgate gate 0 dc=1.0
vbulk bulk 0 dc=0.0
* --- Transistor ---
X1 drain gate source bulk bsim6 W=10u L=10u
* --- DC Analysis ---
.dc vdrain -0.1 0.1 0.001 vgate 0.0 1.0 0.2
.probe dc ids=par'-i(vdrain)'
.probe dc gx=deriv(ids)
.probe dc gx2=deriv(gx)
.probe dc gx3=deriv(gx2)
.probe dc gx4=deriv(gx3)
.print dc par'ids' par'gx' par'gx2' par'gx3' par 'gx4'
.end

27
Benchmark_test/gummel_pmos.sp Normal file
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*Sample netlist for BSIM6.0
*Drain current symmetry
.option abstol=1e-6 reltol=1e-6 post ingold
.hdl "bsim6.va"
.include "modelcard.pmos"
* --- Voltage Sources ---
vdrain drain 0 dc=0
esource source 0 drain 0 -1
vgate gate 0 dc=-0.5
vbulk bulk 0 dc=0
* --- Transistor ---
X1 drain gate source bulk pmos W=10e-6 L=10e-6
* --- DC Analysis ---
.dc vdrain -0.1 0.1 0.001 vgate -1 -0.4 -0.3
.probe dc ids=par'-i(vdrain)'
.probe dc gx=deriv(ids)
.probe dc gx2=deriv(gx)
.probe dc gx3=deriv(gx2)
.probe dc gx4=deriv(gx3)
.print dc par'ids' par'gx' par'gx2' par'gx3' par 'gx4'
.end

23
Benchmark_test/idvd_nmos.sp Normal file
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*Sample netlist for BSIM6.0
*Id-Vd Characteristics for NMOS (T = 27 C)
.option abstol=1e-6 reltol=1e-6 post ingold
.temp 27
.hdl "bsim6.va"
.include "modelcard.nmos"
* --- Voltage Sources ---
vd d 0 dc=1.3
vg g 0 dc=0
vs s 0 dc=0
vb b 0 dc=0
* --- Transistor ---
X1 d g s b nmos W=10e-6 L=10e-6
* --- DC Analysis ---
.dc vd 0.0 1.3 0.01 vg 0.4 1 0.3
.probe dc ids=par'-i(vd)'
.probe dc gd=deriv(ids)
.print dc par'ids' par'gd'
.end

26
Benchmark_test/idvd_pmos.sp Normal file
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*Sample netlist for BSIM6.0
*Id-Vd Characteristics for PMOS (T = 27 C)
.option abstol=1e-6 reltol=1e-6 post ingold
.temp 27
.hdl "bsim6.va"
.include "modelcard.pmos"
* --- Voltage Sources ---
vd d 0 dc=-1
vg g 0 dc=0
vs s 0 dc=0
vb b 0 dc=0
* --- Transistor ---
X1 d g s b pmos W=10e-6 L=10e-6
* --- DC Analysis ---
.dc vd -1.3 0.0 0.01 vg -1 -0.4 -0.3
.probe dc ids=par'i(vd)'
.probe dc gd=deriv(ids)
.print dc par'ids' par'gd'
.end

24
Benchmark_test/idvg_nmos.sp Normal file
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*Sample netlist for BSIM6.0
.option abstol=1e-6 reltol=1e-6 post ingold
.hdl "bsim6.va"
.include "modelcard.nmos"
* --- Voltage Sources ---
vd d 0 dc=50m
vg g 0 dc=0.0
vs s 0 dc=0.0
vb b 0 dc=0.0
* --- Transistor ---
X1 d g s b nmos W = 10e-6 L = 10e-6
* --- DC Analysis ---
.dc vg -1.3 1.3 0.01 vb -0.3 0 0.1
.probe dc ids=par'-i(vd)'
.probe dc gm=deriv(ids)
.probe dc gm2= deriv(gm)
.print dc par'ids' par'gm' par'gm2' i(vd)
.end

24
Benchmark_test/idvg_pmos.sp Normal file
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*Sample netlist for BSIM6.0
.option abstol=1e-6 reltol=1e-6 post ingold
.hdl "bsim6.va"
.include "modelcard.pmos"
* --- Voltage Sources ---
vd d 0 dc=-0.05
vg g 0 dc=0.0
vs s 0 dc=0.0
vb b 0 dc=0.0
* --- Transistor ---
X1 d g s b pmos W=10e-6 L=10e-6
* --- DC Analysis ---
.dc vg -1.3.0 1.3 0.01 vb 0 -0.3 -0.1
.probe dc ids=par'i(vd)'
.probe dc gm=deriv(ids)
.probe dc gm2= deriv(gm)
.print dc par'ids' par'gm' par'gm2'
.end

26
Benchmark_test/inv_dc.sp Normal file
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*Sample netlist for BSIM6.0
*Inverter DC Analysis
.option abstol=1e-6 reltol=1e-6 post ingold
.hdl "bsim6.va"
.include "modelcard.nmos"
.include "modelcard.pmos"
* --- Voltage Sources ---
vdd supply 0 dc=1.0
vin vi 0 dc=0.5
* --- Inverter Subcircuit ---
.subckt inverter vin vout vdd gnd
Xp1 vout vin vdd gnd pmos W=10u L=10u
Xn1 vout vin gnd gnd nmos W=10u L=10u
.ends
* --- Inverter ---
Xinv1 vi vo supply 0 inverter
* --- Transient Analysis ---
.dc vin 0 1 0.01
.print dc v(vi) v(vo)
.end

31
Benchmark_test/inverter_transient.sp Normal file
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*Sample netlist for BSIM6.0
*Inverter Transient
.option abstol=1e-6 reltol=1e-6 post ingold
.hdl "bsim6.va"
.include "modelcard.nmos"
.include "modelcard.pmos"
* --- Voltage Sources ---
vdd supply 0 dc=1.0
vin vi 0 dc=0.5 sin (0.5 0.5 1MEG)
* --- Inverter Subcircuit ---
.subckt inverter vin vout vdd gnd
Xp1 vout vin vdd gnd pmos W=10u L=10u
Xn1 vout vin gnd gnd nmos W=10u L=10u
.ends
* --- Inverter ---
Xinv1 vi 1 supply 0 inverter
Xinv2 1 2 supply 0 inverter
Xinv3 2 3 supply 0 inverter
Xinv4 3 4 supply 0 inverter
Xinv5 4 vo supply 0 inverter
* --- Transient Analysis ---
.tran 10n 5u
.print tran v(vi) v(vo)
.end

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*modelcard for BSIM6_BD
.model nmos bsim6
+LLONG =2E-06
+WWIDE =1E-05
+TYPE =1
+GEOMOD =0
+RGEOMOD =0
+COVMOD =1
+RDSMOD =0
+XL =-1.7E-08
+XW =1.1E-08
+LINT =0
+WINT =0
+DLC =0
+DWC =0
+TOXE =1.74E-09
+TOXP =1.7E-09
+NDEP =4.6E+23
+NSD =1E+26
+NGATE =8.5E+25
+VFB =-1.02
+EPSROX =3.9
+EPSRSUB =11.9
+NI0SUB =1.1E+16
+XJ =1.5E-07
+DMCG =0
+DMDG =0
+DMCGT =0
+CIT =1E-08
+CDSCD =0.001
+CDSCB =0
+CDSCBL =0.007
+CDSCBLEXP =1
+NFACTOR =0.002
+NFACTORL =2.1E-08
+NFACTORLEXP =6.264
+NDEPL1 =0.096
+NDEPLEXP1 =1
+NDEPL2 =-0.0032
+NDEPLEXP2 =2.05
+DVTP0 =7.5E-07
+DVTP1 =-4.4E-07
+NDEPW =-0.1548
+NDEPWEXP =0.7441
+NDEPWL =0
+NDEPWLEXP =0.2
+K2W =0
+GIDLMOD =1
+AGIDL =3.728E-08
+AGIDLL =-0.04815
+AGIDLW =-0.0341
+BGIDL =8.123E+09
+CGIDL =1.21E-06
+EGIDL =-2.952
+PHIN =0.05
+K2L =0.001636
+K2 =-0.014
+ETA0 =8.416E-06
+ETAB =-5.561E-05
+ETABEXP =2.155
+DSUB =3
+VSAT =6.4E+04
+VSATW =0.05
+VSATWEXP =1
+DELTA =0.15
+DELTAL =0.1
+DELTALEXP =1E-05
+U0 =0.04546
+ETAMOB =1.5
+U0L =0.025
+U0LEXP =0.95
+UA =0.4007
+UAW =0.05
+UAWEXP =1
+UAL =0.00475
+UALEXP =1.118
+EUW =-0.02
+EUWEXP =1
+EUL =0.001
+EULEXP =1
+EU =1.9
+UDL =1E-15
+UDLEXP =1
+UD =1.042E-05
+UCS =2
+UCW =0
+UCWEXP =1
+UC =1E-07
+UCL =2.5E+04
+UCLEXP =1
+PCLM =0.15
+PCLML =0.01
+PCLMLEXP =0.4
+PCLMG =0
+PSCBE1 =5
+PSCBE2 =1.29E-12
+PDITS =0
+PDITSL =0
+PDITSD =0
+RSWMIN =0
+RSW =100
+RDWMIN =0
+RDW =100
+RDSW =20
+RDSWMIN =0
+PRWG =1
+PRWB =0
+WR =1
+RSH =0
+PDIBLCB =0
+PDIBLC =0.01
+PDIBLCL =1E-05
+PDIBLCLEXP =1E-06
+PVAG =0
+PTWG =0.2
+PTWGL =3E+04
+PTWGLEXP =5E-06
+FPROUT =0
+CF =0
+CFRCOEFF =1
+CGSO =2.5E-10
+CGDO =2.5E-10
+CGSL =1.2E-10
+CGDL =1.2E-10
+CKAPPAS =1.25
+CKAPPAD =1.25
+CGBO =0
+ADOS =0
+BDOS =1
+QM0 =0.001
+ETAQM =0.54
+NDEPCV =8E+23
+VFBCV =-0.95
+VSATCV =1E+05
+PCLMCV =0
+PSAT =0.46
+PSATL =6
+PSATLEXP =0.06
+TNFACTOR =0
+TETA0 =0
+UTE =-1.4
+UTEL =-0.001
+UA1 =-0.0011
+UA1L =0
+UC1 =0
+UD1 =0
+UD1L =0
+UCSTE =-0.005
+PRT =0
+AT =-0.05
+ATL =-0.1
+TDELTA =-0.0048
+PTWGT =-0.002
+PTWGTL =0.01
+KT1 =-0.115
+KT1EXP =1
+KT1L =1.286E-09
+KT2 =-0.003157
+K2LEXP =1.698
+K2WEXP =0.005
+TBGASUB =0
+IGCMOD =0
+IGBMOD =0
+AIGS=0.0136
+BIGS=0.00171
+CIGS=0.075
+AIGSL=0
+AIGD=0.0136
+BIGD=0.00171
+CIGD=0.075
+AIGDL=0
+AIGC=0.01285
+LAIGC=2.132E-06
+BIGC=0.0013
+CIGC=0.013
+AIGCL=-0.01227
+PIGCD=1
+PIGCDL=6.196
+AIGBINV=0.015
+BIGBINV=0.000949
+CIGBINV=0.006
+EIGBINV=1.1
+NIGBINV=3
+AIGBACC=0.01751
+BIGBACC=8.307
+CIGBACC=-898.7
+NIGBACC=1
+LPSAT=0
+WPSAT=0
+PPSAT=0
+PSATB=0
+PSATX=3
+WVSAT=0
+PVSAT=0
+WPTWG=0
+PPTWG=0
+TNOM=25
+WDVTP0=0
+WDVTP1=0
+LUTE=0.04574
+LUA1=8.365E-05
+LAT=0
+DVTP2=0
+DVTP3=0
+DVTP4=0
+DVTP5=0
+VSATL=1350
+VSATLEXP=0.00033

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Benchmark_test/modelcard.pmos Normal file
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*modelcard for BSIM6_BD
.model pmos bsim6
+TYPE = -1.0
+toxe = 2.34e-009
+toxp = 1.925e-009
+dtox = 0
+epsrox = 3.9
+tnom = 25
+xl = 0
+xw = 0
+lint = 0
+llong = 1000000
+ll = 0
+lw = 0
+lwl = 0
+lln = 1
+lwn = 1
+wint = -9.0134104e-009
+wl = 0
+ww = 0
+wwl = 0
+wln = 1
+wwn = 1
+wwide = 1000000
+dlc = 0
+llc = 0
+lwc = 0
+lwlc = 0
+dwc = 0
+wlc = 0
+wwc = 0
+wwlc = 0
+geomod = 0
+rgeomod = 0
+rgatemod= 0
+rbodymod= 0
+igcmod = 0
+igbmod = 0
+covmod = 1
+rdsmod = 0
+gidlmod = 0
+tnoimod = 0
+gmin = 1e-012
+jss = 0.0001
+jsd = 0.0001
+jsws = 0
+jswd = 0
+jswgs = 0
+jswgd = 0
+njs = 1
+njd = 1
+ijthsfwd= 0.1
+ijthdfwd= 0.1
+ijthsrev= 0.1
+ijthdrev= 0.1
+bvs = 10
+bvd = 10
+xjbvs = 1
+xjbvd = 1
+jtss = 0
+jtsd = 0
+jtssws = 0
+jtsswd = 0
+jtsswgs = 0
+jtsswgd = 0
+jtweff = 0
+njts = 20
+njtsd = 20
+njtssw = 20
+njtsswd = 20
+njtsswg = 20
+njtsswgd= 20
+vtss = 10
+vtsd = 10
+vtssws = 10
+vtsswd = 10
+vtsswgs = 10
+vtsswgd = 10
+cjs = 0.0005
+cjd = 0.0005
+cjsws = 5e-010
+cjswd = 5e-010
+cjswgs = 0
+cjswgd = 0
+pbs = 1
+pbd = 1
+pbsws = 1
+pbswd = 1
+pbswgs = 1
+pbswgd = 1
+mjs = 0.5
+mjd = 0.5
+mjsws = 0.33
+mjswd = 0.33
+mjswgs = 0.33
+mjswgd = 0.33
+tpb = 0
+tcj = 0
+tpbsw = 0
+tcjsw = 0
+tpbswg = 0
+tcjswg = 0
+xtis = 3
+xtid = 3
+xtss = 0.02
+xtsd = 0.02
+xtssws = 0.02
+xtsswd = 0.02
+xtsswgs = 0.02
+xtsswgd = 0.02
+tnjts = 0
+tnjtsd = 0
+tnjtssw = 0
+tnjtsswd= 0
+tnjtsswg= 0
+tnjtsswgd= 0
+noia = 6.25e+040
+noib = 3.125e+025
+noic = 8.75e+008
+em = 41000000
+ef = 1
+lintnoi = 0
+ntnoi = 1
+tnoia = 0
+tnoib = 0
+tnoic = 0
+rnoia = 0.577
+rnoib = 0.5164
+rnoic = 0.395
+dwj = 0
+dmcg = 0
+dmci = 0
+dmdg = 0
+dmcgt = 0
+xgw = 0
+xgl = 0
+gbmin = 1e-012
+rshg = 0.1
+rbpb = 50
+rbpd = 50
+rbps = 50
+rbdb = 50
+rbsb = 50
+rbps0 = 50
+rbpsl = 0
+rbpsw = 0
+rbpsnf = 0
+rbpd0 = 50
+rbpdl = 0
+rbpdw = 0
+rbpdnf = 0
+rbpbx0 = 100
+rbpbxl = 0
+rbpbxw = 0
+rbpbxnf = 0
+rbpby0 = 100
+rbpbyl = 0
+rbpbyw = 0
+rbpbynf = 0
+rbsbx0 = 100
+rbsby0 = 100
+rbdbx0 = 100
+rbdby0 = 100
+rbsdbxl = 0
+rbsdbxw = 0
+rbsdbxnf= 0
+rbsdbyl = 0
+rbsdbyw = 0
+rbsdbynf= 0
+xrcrg1 = 12
+xrcrg2 = 1
+ngcon = 1
+ndep = 8.062e+023
+ndepl1 = 1.2139
+ndeplexp1= 1.9088
+ndepl2 = -1.1825
+ndeplexp2= 1.9173
+ndepw = 0.065035
+ndepwexp= 0.48882
+ndepwl = 0.00040893
+ndepwlexp= 1.3273
+easub = 4.05
+ni0sub = 1.1e+016
+bg0sub = 1.17
+epsrsub = 11.9
+xj = 1.5e-007
+vfb = -1.2108
+vfbsdoff= 0
+nsd = 1e+026
+dvtp0 = 1.8335e-007
+dvtp1 = 220.59
+dvtp2 = 9.6351e-010
+dvtp3 = 0.89017
+dvtp4 = 98.728
+dvtp5 = 5.1435e-017
+phin = 0.045
+eta0 = 0.0051075
+etab = -0.010908157
+etabexp = 0.09999
+dsub = 1.0667
+k2 = -0.093146
+k2l = 0.065574
+k2lexp = 0.79778
+k2w = 0.030809
+k2wexp = 0.87253
+cit = 1.0136148e-005
+cdscd = 0.0011509049
+cdscdl = -0.00048388809
+cdscdlexp= 0.13963388
+cdscb = 9.9995516e-006
+cdscbl = 1.4756534e-009
+cdscblexp= 1
+nfactor = 0.0017201
+nfactorl= 1.7832e-006
+nfactorlexp= 0.99988
+nfactorw= 0.11149
+nfactorwexp= 0.8993
+nfactorwl= -0.01386
+u0 = 0.04004
+u0l = 0.58676
+u0lexp = 0.11151
+etamob = 4.0947
+ua = 0.4298
+ual = -0.0087246
+ualexp = 1.3647
+uaw = 0.11575
+uawexp = 0.4385
+uawl = -7.027e-005
+eu = 1.3371
+eul = 0.0021948
+eulexp = 1.4769
+euw = -0.0031666
+euwexp = 1.9366
+euwl = -0.00013929
+ud = 0.0093995
+udl = 0.067484
+udlexp = 0.099452
+ucs = 0.9999
+uc = 4.91e-006
+ucl = 0.001096
+uclexp = 0.0015937
+vsat = 9609100
+vsatl = 6.8282
+vsatlexp= 0.086396
+vsatw = 0.016834
+vsatwexp= 3.0172
+vsatcvl = 0
+vsatcvlexp= 1
+vsatcvw = 0
+vsatcvwexp= 1
+delta = 0.1779
+deltal = 0.1269
+deltalexp= 0.18156
+pclm = 0
+pclml = 0
+pclmlexp= 1e-013
+pclmg = 0
+pclmcvl = 0
+pclmcvlexp= 1
+pscbe1 = 4.24e+008
+pscbe2 = 1e-008
+pdits = 0.85536
+pditsl = 8473.9
+pditsd = 0
+pdiblc = 0.005
+pdiblcl = 0
+pdiblclexp= 1
+pdiblcb = -0.49995
+pvag = 1
+fprout = 0
+fproutl = 0
+fproutlexp= 1
+ptwg = 0.09999
+ptwgl = 0.069993
+ptwglexp= 0.0009999
+psat = 1e-013
+psatl = 0
+psatlexp= 1
+psatb = 0.9999
+psatx = 1e-013
+rsh = 0
+prwg = 1
+prwb = 0.010098993
+prwbl = 0.00070000265
+prwblexp= 1
+wr = 1
+rswmin = 0
+rsw = 10
+rswl = 0
+rswlexp = 1
+rdwmin = 0
+rdw = 10
+rdwl = 0
+rdwlexp = 1
+rdswmin = 0
+rdsw = 0
+rdswl = 0.0007
+rdswlexp= 1e-007
+alpha0 = 0
+alpha0l = 0
+alpha0lexp= 1
+beta0 = 0
+agidl = 0
+agidll = 0
+agidlw = 0
+bgidl = 2.3e+009
+cgidl = 0.5
+egidl = 0.8
+agisl = 0
+agisll = 0
+agislw = 0
+bgisl = 2.3e+009
+cgisl = 0.5
+egisl = 0.00171
+aigbacc = 0.00171
+bigbacc = 0.00171
+cigbacc = 0.075
+nigbacc = 1
+aigbinv = 0.0111
+bigbinv = 0.000949
+cigbinv = 0.006
+eigbinv = 1.1
+nigbinv = 3
+aigc = 0.0136
+aigcl = 3
+aigcw = 0.0136
+bigc = 0.00171
+cigc = 0.075
+aigs = 0.0136
+aigsl = 0.075
+aigsw = 0.0136
+aigd = 0.0136
+aigdl = 0
+aigdw = 0.0136
+bigs = 0.00171
+bigd = 0.00171
+cigs = 0.075
+cigd = 0.075
+toxref = 0.075
+ntox = 1
+poxedge = 1
+pigcd = 1
+pigcdl = 1
+ndepcv = 4.598e+23
+ndepcvl1= 0
+ndepcvlexp1= 1
+ndepcvl2= 0
+ndepcvlexp2= 2
+ndepcvw = 0
+ndepcvwexp= 1
+ndepcvwl= 0
+ndepcvwlexp= 1
+ngate = 7.764e+25
+cf = 0
+cfrcoeff= 1
+cgso = 187.0e-12
+cgdo = 187.0e-12
+cgbo = 0
+cgsl = 130.0e-12
+cgdl = 130.0e-12
+ckappas = 1.6
+ckappad = 1.6
+ados = 221.4
+bdos = 1.350
+qm0 = 405.7e-6
+etaqm = 848.5e-3
+vfbcv = -996.0e-3
+vfbcvl = 0
+vfbcvlexp= 1
+vfbcvw = 0
+vfbcvwexp= 1
+vfbcvwl = 0
+vfbcvwlexp= 1
+tbgasub = 0.000473
+tbgbsub = 636
+tdelta = 0
+ptwgt = 0
+iit = 0
+tgidl = 0
+igt = 0
+kt1 = -0.11
+kt1l = 0
+kt2 = 0.022
+kt1exp = 1
+ute = -1.5
+ua1 = 0.001
+ud1 = 0
+uc1 = -5.6e-011
+ucste = -0.004775
+prt = 0
+at = -0.00156
+sca = 0
+scb = 0
+scc = 0
+sc = 0
+ku0we = 0
+kvth0we = 0
+k2we = 0
+web = 0
+wec = 0
+scref = 1e-006
+sa = 0
+sb = 0
+sd = 0
+saref = 1e-006
+sbref = 1e-006
+wlod = 0
+kvsat = 0
+ku0 = 0
+tku0 = 0
+lku0 = 0
+wku0 = 0
+pku0 = 0
+llodku0 = 0
+wlodku0 = 0
+kvth0 = 0
+lkvth0 = 0
+wkvth0 = 0
+pkvth0 = 0
+llodvth = 0
+wlodvth = 0
+stk2 = 0
+lodk2 = 1
+steta0 = 0
+lodeta0 = 1

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Benchmark_test/noise.sp Normal file
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*Samle netlist for BSIM6.0
* Drain Noise Simulation
.option abstol=1e-6 reltol=1e-6 post ingold
.temp 27
.hdl "bsim6.va"
.include "modelcard.nmos"
* --- Voltage Sources ---
vds 1 0 dc=1v ac=1
vgs gate 0 dc=0.5v
vbs bulk 0 dc=0v
* --- Circuit ---
lbias 1 drain 1m
cload drain 2 1m
rload 2 0 R=1 noise=0
X1 drain gate 0 bulk nmos W = 10e-6 L = 10e-6
* --- Analysis ---
.op
*.dc vgs -0.5 1.3 0.01
*.print dc i(lbias)
.ac dec 11 1k 100g
.noise v(drain) vgs 1
*.print ac v(drain)
*.print dc v(drain)
.print noise inoise onoise
.end

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Benchmark_test/ringosc_17.sp Normal file
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*Sample netlist for BSIM6.0
*17-stage ring oscillator
.options abstol=1e-6 reltol=1e-6 post ingold dcon=1
.hdl "bsim6.va"
.include "modelcard.nmos"
.include "modelcard.pmos"
* --- Voltage Sources ---
vdd supply 0 dc=1.0
* --- Inverter Subcircuit ---
.subckt inverter vin vout vdd gnd
Xp1 vout vin vdd gnd pmos W=10e-6 L=10e-6
Xn1 vout vin gnd gnd nmos W=10e-6 L=10e-6
.ends
* --- 17 Stage Ring oscillator ---
Xinv1 1 2 supply 0 inverter
Xinv2 2 3 supply 0 inverter
Xinv3 3 4 supply 0 inverter
Xinv4 4 5 supply 0 inverter
Xinv5 5 6 supply 0 inverter
Xinv6 6 7 supply 0 inverter
Xinv7 7 8 supply 0 inverter
Xinv8 8 9 supply 0 inverter
Xinv9 9 10 supply 0 inverter
Xinv10 10 11 supply 0 inverter
Xinv11 11 12 supply 0 inverter
Xinv12 12 13 supply 0 inverter
Xinv13 13 14 supply 0 inverter
Xinv14 14 15 supply 0 inverter
Xinv15 15 16 supply 0 inverter
Xinv16 16 17 supply 0 inverter
Xinv17 17 1 supply 0 inverter
* --- Initial Condition ---
.ic 1=1
.tran 1n 10u
.print tran v(1)
.measure tran t1 when v(1)=0.5 cross=1
.measure tran t2 when v(1)=0.5 cross=7
.measure tran period param'(t2-t1)/3'
.measure tran delay_per_stage param'period/34'
.end