1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
* Forward bias diode between power and ground.

.include "models.sp"

.subckt testcase04
D01 VDD GND diode

D02 n1  GND diode
R01 n1  VDD

D03 VDD n2 diode
R02 GND n2

D04 n3 n4 diode
R03 n3  VDD
R04 GND n4

M01 VDD GND GND GND nch

M02 n5 GND GND GND nch
R03 n5 VDD

M03 VDD n6 n6 GND nch
R04 n6 GND

M04 n7 n8 n8 GND nch
R05 n7 VDD
R06 n8 GND

.ends
.end