I posted this to the LTspice group, but thought it might be of
interest here... a 4016 switch...

(Caution the MOS devices are single line, so fix it up if your copy
wraps.)

..SUBCKT ANALOGSW X Y CONT VDD GND
M_MP6 N_2 N_1 VDD VDD PMOS L=1u W=285u AD=0.43n AS=0.52n
PD=0.326m PS=0.392m NRD=3.509m NRS=3.509m
M_MN8 N_2 N_1 GND 0 NMOS L=1u W=57u AD=0.09n AS=0.17n
PD=72.69u PS=0.132m NRD=17.544m NRS=17.544m
M_MN7 X N_3 Y 0 NMOS L=1u W=360u AD=0.55n AS=0.82n PD=0.424m
PS=0.625m NRD=2.778m NRS=2.778m
M_MP5 X N_2 Y VDD PMOS L=1u W=1260u AD=0.00u AS=0.00u
PD=1.382m PS=1.579m NRD=0.794m NRS=0.794m
M_MP14 N_3 N_4 VDD VDD PMOS L=1u W=285u AD=0.43n AS=0.52n
PD=0.326m PS=0.392m NRD=3.509m NRS=3.509m
M_MN16 N_3 N_4 GND 0 NMOS L=1u W=57u AD=0.09n AS=0.17n
PD=72.69u PS=0.132m NRD=17.544m NRS=17.544m
M_MP7 N_4 CONT VDD VDD PMOS L=1u W=180u AD=0.27n AS=0.30n
PD=0.213m PS=0.234m NRD=5.556m NRS=5.556m
M_MN9 N_4 CONT GND 0 NMOS L=1u W=36u AD=0.05n AS=0.08n
PD=48.37u PS=62.53u NRD=27.778m NRS=27.778m
M_MP9 N_1 N_4 VDD VDD PMOS L=1u W=180u AD=0.27n AS=0.30n
PD=0.213m PS=0.234m NRD=5.556m NRS=5.556m
M_MN11 N_1 N_4 GND 0 NMOS L=1u W=36u AD=0.05n AS=0.08n
PD=48.37u PS=62.53u NRD=27.778m NRS=27.778m
..MODEL NMOS NMOS (LEVEL=3 VTO= 0.600 UO=515.0 TOX= 15.0N
+ NSUB= 4.46E+16 NFS = 5.6E+12 VMAX= 7.7E+05 ETA=0.022 KAPPA= 0.00
+ THETA=0.092 DELTA= 3.09 XJ = 0.59U RSH = 725.0 LD = 0.135U
+ CGDO= 3.0E-10 CGSO= 3.0E-10 AF= 1.0 KF= 7.5E-29 CJ = 4.3E-04
+ MJ = 0.350 CJSW= 3.8E-10 MJSW= 0.290 PB = 0.710)
**
..MODEL PMOS PMOS (LEVEL=3 VTO=-0.700 UO=180.0 TOX= 15.0N
+ NSUB= 7.19E+16 NFS = 1.1E+12 VMAX= 7.8E+05 ETA=0.033 KAPPA=83.50
+ THETA=0.161 DELTA= 1.54 XJ = 0.00U RSH = 996.0 LD = 0.095U
+ CGDO= 2.7E-10 CGSO= 2.7E-10 AF= 1.0 KF= 1.4E-30 CJ = 3.6E-04
+ MJ = 0.280 CJSW= 3.0E-10 MJSW= 0.380 PB = 0.450)
**
..ENDS ANALOGSW

...Jim Thompson
--
| James E.Thompson, CTO | mens |
| Analog Innovations, Inc. | et |
| Analog/Mixed-Signal ASIC's and Discrete Systems | manus |
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