NCL Gate Images –
Output Rise (Set) Equivalent
20/4/2014
CE-653 - Indicating Logic
20
NCL gates
z=ab+z(a+b)
a
b
th22
z
a
a
b
z
z=a+b
z=a(b+c)+z(a+b+c)
b
c
th33w2
z
Boolean gates (images)
z=ab
a
a
b
z
z=a+b
z=a(b+c)
a
b
z
b
c
z
equivalent
for
set phase
In the initial state: z=a=b=c=0
Hysteresis-sequential behavior
Combinational behavior
Projection
for optimization
Mapping
for implementation