eldo_user

Introduction to Eldo
Getting Started With the Eldo Simulation Flow
Figure 1-1. Cascaded Inverter Circuit
Figure 1-2. Inverter Subcircuit
The associated netlist for the simple cascade of three inverters is listed below:
* Netlist for cascade of three inverters
* MOS model definitions
.model m1 nmos level=3 vto=1v uo=550 vmax=2.0e5
+ cgdo=0.4p cgbo=2.0e-10 cgso=4.0e-11 cjsw=10.e-9
+ mjsw=0.3 tox=1.0e-7 nsub=1.0e16 nfs=1.5e10
+ xj=0.5u ld=0.5u pb=0.75 delta=0.9 eta=0.95
+ kappa=0.45 gamma=0.37
.model p1 pmos level=3 vto=-1v uo=230 vmax=1.9e5
+ cgdo=0.4p cgbo=2.0e-10 cgso=4.0e-11 cjsw=10.e-9
+ mjsw=0.3 tox=1.0e-7 nsub=1.0e16 nfs=1.5e10
+ xj=0.5u ld=0.5u pb=0.75 delta=0.9 eta=0.95
+ kappa=0.45 gamma=0.37
* Subcircuit definition
.subckt inv 1 2 3
m2 2 1 0 0 m1 w=10u l=4u ad=100p pd=40u as=100p
m1 2 1 3 3 p1 w=15u l=4u ad=100p pd=40u as=100p
c1 2 0 0.5p
.ends inv
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Eldo® User's Manual, 15.3