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- * CMOS Ring oscillator (7 inverters)
- *
- .width out=80
- * Transistors :
- mq1n 2 1 0 0 CMOSN l=3u w=4.5u
- mq1p 2 1 100 100 CMOSP l=3u w=4.5u
- mq2n 3 2 0 0 CMOSN l=3u w=4.5u
- mq2p 3 2 100 100 CMOSP l=3u w=4.5u
- mq3n 4 3 0 0 CMOSN l=3u w=4.5u
- mq3p 4 3 100 100 CMOSP l=3u w=4.5u
- mq4n 5 4 0 0 CMOSN l=3u w=4.5u
- mq4p 5 4 100 100 CMOSP l=3u w=4.5u
- mq5n 6 5 0 0 CMOSN l=3u w=4.5u
- mq5p 6 5 100 100 CMOSP l=3u w=4.5u
- mq6n 7 6 0 0 CMOSN l=3u w=4.5u
- mq6p 7 6 100 100 CMOSP l=3u w=4.5u
- mq7n 1 7 0 0 CMOSN l=3u w=4.5u
- mq7p 1 7 100 100 CMOSP l=3u w=4.5u
- *
- * Voltage cards :
- vdd 100 0 dc 5V
- *
- * Analysis cards :
- .tran 100ps 1ns
- .plot tran v(1) v(7)
- .ic v(1)=0 v(3)=0 v(5)=0 v(7)=0
- *
- * Model cards :
- .MODEL CMOSN NMOS (VTO=0.83 KP=33U GAMMA=1.36 PHI=0.6
- + LAMBDA=0.016 PB=0.8 JS=10N LD=0.28U TOX=50N NSUB=1E16
- + UO=200 UEXP=0.1 UCRIT=4E4 VMAX=100K XJ=0.4U
- + DELTA=1.24 NFS=0 NEFF=2 NSS=0 TPG=1.0 RSH=25
- + CGSO=0.5N CGDO=0.5N CJ=0.32M MJ=0.5 CJSW=0.9N MJSW=0.33
- + CGBO=0 FC=0.5 LEVEL=2)
- .MODEL CMOSP PMOS (VTO=-0.89 KP=15U GAMMA=0.88 PHI=0.6
- + LAMBDA=0.047 PB=0.8 JS=10N LD=0.28U TOX=50N NSUB=1.12E14
- + UO=100 UEXP=0.1 UCRIT=20E4 VMAX=100K XJ=0.4U
- + DELTA=1.94 NFS=0 NEFF=2 NSS=0 TPG=-1.0 RSH=95
- + CGSO=0.4N CGDO=0.4N CJ=0.2M MJ=0.5 CJSW=0.45N MJSW=0.33
- + CGBO=0 FC=0.5 LEVEL=2)
- .end
-