Given the circuit of Fig2 Derive the excitation table Determ

Given the circuit of Fig.2: Derive the excitation table. Determine the stable states. Are there any critical or non-critical races in the operation of this machine? Are there any oscillations in the operation of this machine?

Solution

Y1=y1.y2\'+w1\'

Y2=((w1y2)\'.y1.w2)\'

Z1=y1\'

z2=y2\'

a)Exitation Table:

c)OSC may happen when the state will reach to 00 condition. since there is no stable state in this condition.

y1	y2	w1	w2	Y1	Y2	z1	z2
0	0	0	0	1	1	1	1
0	0	0	1	1	1	1	1
0	0	1	0	0	1	1	1
0	0	1	1	0	1	1	1
0	1	0	0	1	1	1	0
0	1	0	1	1	1	1	0
0	1	1	0	0	1	1	0
0	1	1	1	0	1	1	0
1	0	0	0	1	1	0	1
1	0	0	1	1	0	0	1
1	0	1	0	1	1	0	1
1	0	1	1	1	0	0	1
1	1	0	0	1	1	0	0
1	1	0	1	1	0	0	0
1	1	1	0	0	1	0	0
1	1	1	1	0	1	0	0