Chapter04: Digital Integrated Circuit Design

Ex4.3:pg-230

In [2]:
#Ex 4.3

VDD=3.0;#V(Supply Voltage)
VOH=VDD;#V
VOL=0.0;#V
Vth=VDD/2;#V
VIL=VDD/2;#V
VIH=VDD/2;#V
NMH=VOH-VIH;#V
NML=VIL-VOL;#V
print Vth,"Vth(V)"
print VIL,"VIL(V)"
print VIH,"VIH(V)"
print VOL,"VOL(V)"
print VOH,"VOH(V)"
print NML,"NML(V)"
print NMH,"NMH(V)"
#Gain=(VOH-VOL)/(VIH-VIL)=infinity as VIH=VIL;#Gain in the transition region
Gain=inf#
print Gain,"Gain in the transition region"
#Answer in the book is wrong for the gain.

1.5 Vth(V)
1.5 VIL(V)
1.5 VIH(V)
0.0 VOL(V)
3.0 VOH(V)
1.5 NML(V)
1.5 NMH(V)
inf Gain in the transition region