Digital Circuits for High School Students

Part 4 Work Sheet
Prepared by Charles S. Tritt, Ph.D.
July 18, 1997

MSI Counter Chip (74169)

FunctionResult
Count up 
Count down 
Parallel load 

Comments:

 

 

 

4-bit Ripple Counter

Draw the state diagram for this binary counter. It has one input, Enable, and its state is it output.

Does your circuit behave as specified in the state diagram?

Comments:

 

 

 

4-bit Synchronous Counter

Does your circuit behave as specified in the state diagram above?

Comments: