115 lines
2.6 KiB
Plaintext
115 lines
2.6 KiB
Plaintext
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CMOS RING OSCILLATOR - 2UM DEVICES
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VDD 1 0 5.0V
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VSS 2 0 0.0V
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X1 1 2 3 4 INV
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X2 1 2 4 5 INV
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X3 1 2 5 6 INV
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X4 1 2 6 7 INV
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X5 1 2 7 8 INV
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X6 1 2 8 9 INV
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X7 1 2 9 3 INV
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.IC V(3)=0.0V V(4)=2.5V V(5)=5.0V V(6)=0.0V
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+ V(7)=5.0V V(8)=0.0V V(9)=5.0V
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.SUBCKT INV 1 2 3 4
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* VDD VSS VIN VOUT
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M1 14 13 15 16 M_PMOS W=6.0U
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M2 24 23 25 26 M_NMOS W=3.0U
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VGP 3 13 0.0V
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VDP 4 14 0.0V
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VSP 1 15 0.0V
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VBP 1 16 0.0V
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VGN 3 23 0.0V
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VDN 4 24 0.0V
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VSN 2 25 0.0V
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VBN 2 26 0.0V
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.ENDS INV
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.MODEL M_NMOS NUMOS
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+ X.MESH L=0.0 N=1
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+ X.MESH L=0.6 N=4
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+ X.MESH L=0.7 N=5
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+ X.MESH L=1.0 N=7
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+ X.MESH L=1.2 N=11
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+ X.MESH L=3.2 N=21
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+ X.MESH L=3.4 N=25
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+ X.MESH L=3.7 N=27
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+ X.MESH L=3.8 N=28
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+ X.MESH L=4.4 N=31
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+
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+ Y.MESH L=-.05 N=1
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+ Y.MESH L=0.0 N=5
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+ Y.MESH L=.05 N=9
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+ Y.MESH L=0.3 N=14
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+ Y.MESH L=2.0 N=19
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+
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+ REGION NUM=1 MATERIAL=1 Y.L=0.0
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+ MATERIAL NUM=1 SILICON
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+ MOBILITY MATERIAL=1 CONCMOD=SG FIELDMOD=SG
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+
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+ REGION NUM=2 MATERIAL=2 Y.H=0.0 X.L=0.7 X.H=3.7
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+ MATERIAL NUM=2 OXIDE
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+
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+ ELEC NUM=1 X.L=3.8 X.H=4.4 Y.L=0.0 Y.H=0.0
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+ ELEC NUM=2 X.L=0.7 X.H=3.7 IY.L=1 IY.H=1
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+ ELEC NUM=3 X.L=0.0 X.H=0.6 Y.L=0.0 Y.H=0.0
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+ ELEC NUM=4 X.L=0.0 X.H=4.4 Y.L=2.0 Y.H=2.0
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+
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+ DOPING UNIF P.TYPE CONC=2.5E16 X.L=0.0 X.H=4.4 Y.L=0.0 Y.H=2.0
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+ DOPING UNIF P.TYPE CONC=1E16 X.L=0.0 X.H=4.4 Y.L=0.0 Y.H=0.05
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+ DOPING UNIF N.TYPE CONC=1E20 X.L=0.0 X.H=1.1 Y.L=0.0 Y.H=0.2
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+ DOPING UNIF N.TYPE CONC=1E20 X.L=3.3 X.H=4.4 Y.L=0.0 Y.H=0.2
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+
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+ MODELS CONCMOB FIELDMOB BGN SRH CONCTAU
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+ METHOD AC=DIRECT ONEC
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+ OUTPUT ^ALL.DEBUG
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.MODEL M_PMOS NUMOS
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+ X.MESH L=0.0 N=1
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+ X.MESH L=0.6 N=4
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+ X.MESH L=0.7 N=5
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+ X.MESH L=1.0 N=7
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+ X.MESH L=1.2 N=11
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+ X.MESH L=3.2 N=21
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+ X.MESH L=3.4 N=25
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+ X.MESH L=3.7 N=27
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+ X.MESH L=3.8 N=28
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+ X.MESH L=4.4 N=31
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+
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+ Y.MESH L=-.05 N=1
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+ Y.MESH L=0.0 N=5
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+ Y.MESH L=.05 N=9
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+ Y.MESH L=0.3 N=14
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+ Y.MESH L=2.0 N=19
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+
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+ REGION NUM=1 MATERIAL=1 Y.L=0.0
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+ MATERIAL NUM=1 SILICON
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+ MOBILITY MATERIAL=1 CONCMOD=SG FIELDMOD=SG
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+
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+ REGION NUM=2 MATERIAL=2 Y.H=0.0 X.L=0.7 X.H=3.7
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+ MATERIAL NUM=2 OXIDE
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+
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+ ELEC NUM=1 X.L=3.8 X.H=4.4 Y.L=0.0 Y.H=0.0
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+ ELEC NUM=2 X.L=0.7 X.H=3.7 IY.L=1 IY.H=1
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+ ELEC NUM=3 X.L=0.0 X.H=0.6 Y.L=0.0 Y.H=0.0
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+ ELEC NUM=4 X.L=0.0 X.H=4.4 Y.L=2.0 Y.H=2.0
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+
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+ DOPING UNIF N.TYPE CONC=1E16 X.L=0.0 X.H=4.4 Y.L=0.0 Y.H=2.0
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+ DOPING UNIF P.TYPE CONC=3E16 X.L=0.0 X.H=4.4 Y.L=0.0 Y.H=0.05
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+ DOPING UNIF P.TYPE CONC=1E20 X.L=0.0 X.H=1.1 Y.L=0.0 Y.H=0.2
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+ DOPING UNIF P.TYPE CONC=1E20 X.L=3.3 X.H=4.4 Y.L=0.0 Y.H=0.2
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+
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+ MODELS CONCMOB FIELDMOB BGN SRH CONCTAU
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+ METHOD AC=DIRECT ONEC
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+ OUTPUT ^ALL.DEBUG
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.TRAN 0.1NS 5.0NS
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.PRINT V(4)
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.OPTIONS ACCT BYPASS=1 METHOD=GEAR
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.END
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