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Computer Aided Design - CAD > LSI circuit testing > Error in Spice ...
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Error in Spice simulation

by "Pegasus" <noname@[EMAIL PROTECTED] > Mar 31, 2008 at 10:56 AM

I have a strange trouble with a NetList Spice

The trouble is relative to vdd.

vdd 2000 0 dc 5

returns:

Node '2000' has only one component connected


Node 2000 is an input node for the subcircuit
MAIN PROJECT00_PRELAYOUT_01 1000 2000 3000 4000

Someone can help me ?





The NetList (generated by LasiCkt) is the following:

** SPICE Circuit File of PROJECT00_PRELAYOUT_01 - LasiCkt 7.0.3.0 
03/31/08
10:27:00

* Start of L:\Lasi7\Project00_prelayout_01.hdr
..options reltol=.01 rshunt=1e9
..global vdd

vdd 2000 0 dc 5

cout 4000 0 500fF

vclkinput 1000 0   dc 0 pulse 0 5 0n 1n 1n 25ns 50ns

..control
set color5=orange
set color6=lt_cyan
set color8=pink
set color9=lt_grey
destroy all
save all
*plot   v(3000) v(4000)+10
..endc
* End of L:\Lasi7\Project00_prelayout_01.hdr

..SUBCKT INVERTER VDD IN OUT
M1 OUT IN 0 0 NMOS1 L=2 W=10
M2 OUT IN VDD VDD PMOS1 L=2 W=30
..ENDS

..SUBCKT PROJECT00_NOR GRD Vin1 Vin2 VDD Vout
M_NOR_NMOS1 Vout Vin1 GRD GRD NMOS1 L=2 W=10
M_NOR_NMOS2 Vout Vin2 GRD GRD NMOS1 L=2 W=10
M_NOR_PMOS1 vn1 Vin1 VDD GRD PMOS1 L=1 W=30
M_NOR_PMOS2 Vout Vin2 vn1 GRD PMOS1 L=1 W=30
..ENDS

..SUBCKT PROJECT00_PASSGATE vn1 vn2 vn3 vn4
M_PGATE_NMOS vn1 vn3 vn2 0 NMOS1 L=2 W=20
M_PGATE_PMOS vn1 vn4 vn2 0 PMOS1 L=2 W=20
..ENDS

* MAIN PROJECT00_PRELAYOUT_01 1000 2000 3000 4000
XCLKGEN_INVA1 2000 102 103 INVERTER
XCLKGEN_INVA2 2000 103 200 INVERTER
XCLKGEN_INVB1 2000 110 111 INVERTER
XCLKGEN_INVB2 2000 111 112 INVERTER
XCLKGEN_NOR1 0 112 1000 2000 102 PROJECT00_NOR
XCLKGEN_NOR2 0 101 200 2000 110 PROJECT00_NOR
XINV_LEV1 2000 vn1 vn2 INVERTER
XINV_LEV2 2000 vn3 4000 INVERTER
XINVERTER_CLKGEN 2000 1000 101 INVERTER
XPASSGATE_LEV1 3000 vn1 112 111 PROJECT00_PASSGATE
XPASSGATE_LEV2 vn2 vn3 200 103 PROJECT00_PASSGATE

* Start of Edulib.ftr
* Basic Level 1 default model for nchan
..MODEL NMOS1 NMOS KP=4.5e-5 vto=.75

* Basic Level 1 default model for pchan
..MODEL PMOS1 PMOS KP=1.5e-5 vto=-.75


* Level 3 SPICE model for CMOS14TB 0.5 um
..MODEL CMOSN5 NMOS LEVEL=3 PHI=0.700000
+ TOX=9.6000E-09 XJ=0.200000U TPG=1
+ VTO=0.7118 DELTA=2.3060E-01 LD=2.9830E-08 KP=1.8201E-04
+ UO=506.0 THETA=1.9090E-01 RSH=1.8940E+01 GAMMA=0.6051
+ NSUB=1.4270E+17 NFS=7.1500E+11 VMAX=2.4960E+05 ETA=2.5510E-02
+ KAPPA=1.8530E-01 CGDO=9.0000E-11 CGSO=9.0000E-11
+ CGBO=3.7295E-10 CJ=6.02E-04 MJ=0.805 CJSW=2.0E-11
+ MJSW=0.761 PB=0.99
* Weff = Wdrawn - Delta_W
* The suggested Delta_W is 3.5700E-07

* Level 4 (BSIM) SPICE model for CMOS14TB 0.5 um
..MODEL CMOSNB5 NMOS LEVEL=4
+ vfb=-9.65360E-01    lvfb= 4.11254E-02    wvfb=-1.21737E-01
+ phi= 9.02436E-01    lphi= 0.00000E+00    wphi= 0.00000E+00
+ k1=  9.33674E-01   lk1= -8.15872E-02    wk1=  2.03526E-01
+ k2=  7.39228E-02    lk2=  1.48295E-02    wk2=  5.89097E-02
+ eta=-2.77969E-03    leta= 1.12296E-02    weta= 1.25263E-03
+ muz= 4.71133E+02    dl=   1.57937E-001   dw=   4.09563E-001
+ u0=  1.98427E-01   lu0=  1.54850E-01    wu0= -1.05429E-01
+ u1=  3.39403E-02    lu1=  3.59469E-02   wu1= -5.00497E-03
+ x2mz=1.25728E+01  lx2mz=-1.24115E+01   wx2mz=1.77657E+01
+ x2e=-9.95217E-05    lx2e=-5.16949E-03    wx2e= 2.83253E-03
+ x3e=-4.27269E-04    lx3e=-1.62632E-03    wx3e=-1.60797E-03
+ x2u0=-9.02747E-04   lx2u0=-1.66946E-02   wx2u0=2.48458E-02
+ x2u1=-7.29822E-04   lx2u1=2.38803E-03    wx2u1=-9.76918E-04
+ mus=5.36631E+02     lmus=2.18647E+01     wmus=4.43373E+00
+ x2ms=5.97403E+00  lx2ms=-7.67105E+00   wx2ms=2.19614E+01
+ x3ms=7.60054E+00  lx3ms=4.73779E+00    wx3ms=2.59952E+00
+ x3u1=1.75532E-02    lx3u1=-1.21628E-03   wx3u1=-5.95548E-04
+ tox=9.60000E-003    temp=2.70000E+01     vdd=3.30000E+00
+ cgdo=4.26077E-010   cgso=4.26077E-010    cgbo=4.01709E-010
+ xpart=1.00000E+000
+ n0=1.00000E+000     ln0=0.00000E+000     wn0=0.00000E+000
+ nb=0.00000E+000     lnb=0.00000E+000     wnb=0.00000E+000
+ nd=0.00000E+000     lnd=0.00000E+000     wnd=0.00000E+000
+ rsh=2    cj=6.02e-04    cjsw=2.0e-11    js=1e-08  pb=0.99
+ pbsw=0.99    mj=0.805    mjsw=0.761    wdf=0    dell=0

* Level 3 SPICE model for CMOS14TB 0.5 um
..MODEL CMOSP5 PMOS LEVEL=3 PHI=0.700000
+ TOX=9.6000E-09 XJ=0.200000U TPG=-1
+ VTO=-0.9016 DELTA=4.2020E-01 LD=4.3860E-08 KP=4.1582E-05
+ UO=115.6 THETA=3.7990E-02 RSH=9.0910E-02 GAMMA=0.4496
+ NSUB=7.8780E+16 NFS=6.4990E+11 VMAX=2.3130E+05 ETA=2.8580E-02
+ KAPPA=9.9270E+00 CGDO=9.0000E-11 CGSO=9.0000E-11
+ CGBO=3.6835E-10 CJ=9.34E-04 MJ=0.491 CJSW=2.41E-10
+ MJSW=0.222 PB=0.90
* Weff = Wdrawn - Delta_W
* The suggested Delta_W is 3.4860E-07

* Level 4 (BSIM) SPICE model for CMOS14TB 0.5 um
..MODEL CMOSPB5 PMOS LEVEL=4
+ vfb=-2.80568E-01    lvfb=5.70163E-02     wvfb=-6.17493E-02
+ phi=8.14689E-01     lphi=0.00000E+00     wphi=0.00000E+00
+ k1=4.52973E-01      lk1=-9.19899E-02     wk1=1.20834E-01
+ k2=-9.42157E-03     lk2=-2.25562E-03     wk2=3.13315E-02
+ eta=-7.03956E-03   leta=1.92833E-02     weta=5.45445E-05
+ muz=1.36047E+02     dl=1.85988E-001      dw=4.32366E-001
+ u0=1.93813E-01      lu0=6.02231E-02      wu0=-4.90734E-02
+ u1=8.52399E-03      lu1=2.60545E-02      wu1=-6.34371E-03
+ x2mz=7.96258E+00  lx2mz=-2.15761E+00   wx2mz=2.30663E+00
+ x2e=4.37912E-04     lx2e=-1.60046E-03    wx2e=-3.86750E-04
+ x3e=-3.52725E-04    lx3e=-4.09096E-04    wx3e=-2.53471E-03
+ x2u0=1.18873E-02    lx2u0=-4.81760E-03   wx2u0=8.80040E-03
+ x2u1=2.26591E-03    lx2u1=7.96828E-04    wx2u1=-4.70527E-04
+ mus=1.44421E+02     lmus=1.63665E+01     wmus=-7.31189E-01
+ x2ms=8.18970E+00  lx2ms=-1.25158E+00   wx2ms=3.62233E+00
+ x3ms=7.29640E-01   lx3ms=1.15206E+00    wx3ms=1.02833E+00
+ x3u1=-3.51521E-03   lx3u1=-3.12374E-03   wx3u1=3.48134E-03
+ tox=9.60000E-003    temp=2.70000E+01     vdd=3.30000E+00
+ cgdo=5.01753E-010   cgso=5.01753E-010    cgbo=4.14187E-010
+ xpart=1.00000E+000
+ n0=1.00000E+000     ln0=0.00000E+000     wn0=0.00000E+000
+ nb=0.00000E+000     lnb=0.00000E+000     wnb=0.00000E+000
+ nd=0.00000E+000     lnd=0.00000E+000     wnd=0.00000E+000
+ rsh=2.1    cj=9.34e-04    cjsw=2.41e-10    js=1e-08    pb=0.90
+ pbsw=0.90    mj=0.491    mjsw=0.222    wdf=0    dell=0
* End of Edulib.ftr
..END
 




 1 Posts in Topic:
Error in Spice simulation
"Pegasus" <n  2008-03-31 10:56:00 

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tan12V112 Sat Nov 22 12:58:55 CST 2008.