The easiest Birthday problem possible

For the birthday: August 8, 1980

Fill in the chart for a Common Anode 7-segment display (remember 0 means the light is ON)
7seg

X

Y

Z

DIGIT

A

B

C

D

E

F

G

0

0

0

0

 

 

 

 

 

 

 

0

0

1

8

 

 

 

 

 

 

 

0

1

0

-

 

 

 

 

 

 

 

0

1

1

0

 

 

 

 

 

 

 

1

0

0

8

 

 

 

 

 

 

 

1

0

1

-

 

 

 

 

 

 

 

1

1

0

8

 

 

 

 

 

 

 

1

1

1

0

 

 

 

 

 

 

 

KMap the problem. Write the simplified equations. Which segments are the same?

 

Z’

Z

 X’Y’

 

 

X’Y

 

 

XY

 

 

XY’

 

 

 

Z’

Z

 X’Y’

 

 

X’Y

 

 

XY

 

 

XY’

 

 

 

Z’

Z

 X’Y’

 

 

X’Y

 

 

XY

 

 

XY’

 

 

 

Z’

Z

 X’Y’

 

 

X’Y

 

 

XY

 

 

XY’

 

 

Copy Easy Birthday from Handout to your drive and open in multisim.
Complete the circuit.

Add a 0-7 counter.
Test the circuit.
Print it out.