Demonstration model for VLSI
Ref: Gaps identified in PAC Meeting dated:
AY2019-20
Topic: CMOS Inverter
Tools used: Top-Spice –open source
Gaps identified: Improves PO5
Blooms taxonomy level: Analysis
Student will be able to change the Parameters
of MOSFET like and Length and width Vth value and can observe various changes
in voltage transfer characteristics
The
following figure is with equal ZPU=ZPD ratio
ZPU/ZPD=1/3
From the above figure it is clearly visible
that there is shift of Vm from old value 2.5 to new value
Student tasks: Change Vth =0.9.0.8 observe
the plots
And Identify various parameters of mosfet
Use following PTM models to simulate the
circuit in 45nm technology
PTM Low Power 45nm Metal Gate / High-K /
Strained-Si
* nominal Vdd = 1.1V
.model
nmos nmos level = 54
+version = 4.0 binunit = 1 paramchk= 1 mobmod = 0
+capmod
= 2 igcmod = 1 igbmod = 1 geomod = 1
+diomod
= 1 rdsmod = 0 rbodymod= 1 rgatemod= 1
+permod
= 1 acnqsmod= 0 trnqsmod= 0
+tnom
= 27 toxe = 1.8e-009 toxp
= 1.5e-009 toxm = 1.8e-009
+dtox
= 3e-010 epsrox = 3.9 wint = 5e-009 lint = 0
+ll
= 0 wl = 0 lln = 1 wln
= 1
+lw
= 0 ww = 0 lwn = 1 wwn = 1
+lwl
= 0 wwl = 0 xpart = 0 toxref = 1.8e-009
+vth0
= 0.62261 k1 = 0.4 k2 = 0 k3 = 0
+k3b
= 0 w0 = 2.5e-006 dvt0
= 1 dvt1 = 2
+dvt2
= 0 dvt0w = 0 dvt1w = 0 dvt2w = 0
+dsub
= 0.1 minv = 0.05 voffl = 0 dvtp0 = 1e-010
+dvtp1
= 0.1 lpe0 = 0 lpeb = 0 xj = 1.4e-008
+ngate
= 1e+023 ndep = 3.24e+018 nsd
= 2e+020 phin = 0
+cdsc
= 0 cdscb = 0 cdscd = 0 cit = 0
+voff
= -0.13 nfactor =
1.6 eta0 =
0.0125 etab = 0
+vfb
= -0.55 u0 = 0.049 ua = 6e-010 ub = 1.2e-018
+uc
= 0 vsat = 130000 a0 = 1 ags = 0
+a1
= 0 a2 = 1 b0 = 0 b1 = 0
+keta
= 0.04 dwg = 0 dwb = 0 pclm = 0.02
+pdiblc1 = 0.001 pdiblc2 = 0.001 pdiblcb = -0.005 drout = 0.5
+pvag
= 1e-020 delta = 0.01 pscbe1 = 8.14e+008 pscbe2
= 1e-007
+fprout
= 0.2 pdits = 0.08 pditsd = 0.23 pditsl = 2300000
+rsh
= 5 rdsw = 210 rsw = 80 rdw = 80
+rdswmin = 0 rdwmin = 0 rswmin = 0
prwg = 0
+prwb
= 0 wr = 1
alpha0 = 0.074 alpha1 = 0.005
+beta0
= 30 agidl = 0.0002 bgidl = 2.1e+009 cgidl
= 0.0002
+egidl
= 0.8 aigbacc =
0.012 bigbacc = 0.0028 cigbacc = 0.002
+nigbacc = 1 aigbinv = 0.014 bigbinv = 0.004 cigbinv = 0.004
+eigbinv = 1.1 nigbinv = 3 aigc = 0.015211 bigc
= 0.0027432
+cigc
= 0.002 aigsd = 0.015211 bigsd
= 0.0027432 cigsd = 0.002
+nigc
= 1 poxedge = 1 pigcd = 1
ntox = 1
+xrcrg1
= 12 xrcrg2 = 5
+cgso
= 1.1e-010 cgdo = 1.1e-010 cgbo
= 2.56e-011 cgdl = 2.653e-010
+cgsl
= 2.653e-010 ckappas =
0.03 ckappad = 0.03 acde = 1
+moin
= 15 noff = 0.9 voffcv = 0.02
+kt1
= -0.11 kt1l = 0 kt2 = 0.022 ute = -1.5
+ua1
= 4.31e-009 ub1 = 7.61e-018 uc1
= -5.6e-011 prt = 0
+at
= 33000
+fnoimod = 1 tnoimod = 0
+jss
= 0.0001 jsws = 1e-011 jswgs = 1e-010 njs = 1
+ijthsfwd= 0.01 ijthsrev= 0.001 bvs = 10 xjbvs = 1
+jsd
= 0.0001 jswd = 1e-011 jswgd = 1e-010 njd = 1
+ijthdfwd= 0.01 ijthdrev= 0.001 bvd = 10 xjbvd = 1
+pbs
= 1 cjs = 0.0005 mjs
= 0.5 pbsws = 1
+cjsws
= 5e-010 mjsws = 0.33 pbswgs = 1 cjswgs = 3e-010
+mjswgs
= 0.33 pbd = 1 cjd = 0.0005 mjd = 0.5
+pbswd
= 1 cjswd = 5e-010 mjswd = 0.33 pbswgd = 1
+cjswgd
= 5e-010 mjswgd = 0.33 tpb = 0.005 tcj = 0.001
+tpbsw
= 0.005 tcjsw = 0.001
tpbswg = 0.005 tcjswg = 0.001
+xtis
= 3 xtid = 3
+dmcg
= 0 dmci = 0 dmdg = 0 dmcgt = 0
+dwj
= 0 xgw = 0 xgl = 0
+rshg
= 0.4 gbmin = 1e-010 rbpb = 5 rbpd = 15
+rbps
= 15 rbdb = 15 rbsb = 15 ngcon = 1
.model
pmos pmos level = 54
+version = 4.0 binunit = 1 paramchk= 1 mobmod = 0
+capmod
= 2 igcmod = 1 igbmod = 1 geomod = 1
+diomod
= 1 rdsmod = 0 rbodymod= 1 rgatemod= 1
+permod
= 1 acnqsmod= 0 trnqsmod= 0
+tnom
= 27 toxe = 1.82e-009 toxp
= 1.5e-009 toxm = 1.82e-009
+dtox
= 3.2e-010 epsrox = 3.9 wint = 5e-009 lint = 0
+ll
= 0 wl = 0 lln = 1 wln = 1
+lw
= 0 ww = 0 lwn = 1 wwn = 1
+lwl
= 0 wwl = 0 xpart = 0 toxref = 1.82e-009
+vth0
= -0.587 k1 = 0.4 k2 = -0.01 k3
= 0
+k3b
= 0 w0 = 2.5e-006 dvt0
= 1 dvt1 = 2
+dvt2
= -0.032 dvt0w = 0 dvt1w = 0 dvt2w = 0
+dsub
= 0.1 minv
= 0.05 voffl = 0 dvtp0 = 1e-011
+dvtp1
= 0.05 lpe0 = 0 lpeb = 0 xj = 1.4e-008
+ngate
= 1e+023 ndep = 2.44e+018 nsd
= 2e+020 phin = 0
+cdsc
= 0 cdscb = 0 cdscd = 0 cit = 0
+voff
= -0.126 nfactor =
1.8 eta0 = 0.0125
etab = 0
+vfb
= 0.55 u0 = 0.021 ua = 2e-009 ub = 5e-019
+uc
= 0 vsat = 90000 a0 = 1 ags = 1e-020
+a1
= 0 a2 = 1 b0 =
0 b1 = 0
+keta
= -0.047 dwg = 0 dwb = 0 pclm = 0.12
+pdiblc1 = 0.001 pdiblc2 = 0.001 pdiblcb = 3.4e-008 drout
= 0.56
+pvag
= 1e-020 delta = 0.01 pscbe1 = 8.14e+008 pscbe2
= 9.58e-007
+fprout
= 0.2 pdits = 0.08 pditsd = 0.23 pditsl = 2300000
+rsh
= 5 rdsw = 250 rsw
= 75 rdw = 75
+rdswmin = 0 rdwmin = 0 rswmin = 0
prwg = 0
+prwb
= 0 wr = 1 alpha0 = 0.074 alpha1 = 0.005
+beta0
= 30 agidl = 0.0002 bgidl = 2.1e+009 cgidl
= 0.0002
+egidl
= 0.8 aigbacc =
0.012 bigbacc = 0.0028 cigbacc = 0.002
+nigbacc = 1 aigbinv = 0.014 bigbinv = 0.004 cigbinv = 0.004
+eigbinv = 1.1 nigbinv = 3 aigc = 0.0097 bigc = 0.00125
+cigc
= 0.0008 aigsd = 0.0097 bigsd = 0.00125 cigsd
= 0.0008
+nigc
= 1 poxedge = 1 pigcd = 1
ntox = 1
+xrcrg1
= 12 xrcrg2 = 5
+cgso
= 1.1e-010 cgdo = 1.1e-010 cgbo
= 2.56e-011 cgdl = 2.653e-010
+cgsl
= 2.653e-010 ckappas =
0.03 ckappad = 0.03 acde = 1
+moin
= 15 noff = 0.9 voffcv = 0.02
+kt1
= -0.11 kt1l
= 0 kt2 = 0.022 ute = -1.5
+ua1
= 4.31e-009 ub1 = 7.61e-018 uc1
= -5.6e-011 prt = 0
+at
= 33000
+fnoimod = 1 tnoimod = 0
+jss
= 0.0001 jsws = 1e-011 jswgs = 1e-010 njs = 1
+ijthsfwd= 0.01 ijthsrev= 0.001 bvs = 10 xjbvs = 1
+jsd
= 0.0001 jswd =
1e-011 jswgd = 1e-010 njd = 1
+ijthdfwd= 0.01 ijthdrev= 0.001 bvd = 10 xjbvd = 1
+pbs
= 1 cjs = 0.0005 mjs = 0.5 pbsws = 1
+cjsws
= 5e-010 mjsws = 0.33 pbswgs = 1 cjswgs = 3e-010
+mjswgs
= 0.33 pbd = 1 cjd = 0.0005 mjd = 0.5
+pbswd
= 1 cjswd = 5e-010 mjswd = 0.33 pbswgd = 1
+cjswgd
= 5e-010 mjswgd = 0.33 tpb = 0.005 tcj = 0.001
+tpbsw
= 0.005 tcjsw = 0.001 tpbswg = 0.005 tcjswg = 0.001
+xtis
= 3 xtid = 3
ngcon
= 1
TASK1: Identify each and every parameter in
level 54 model
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