ECET-230 – Digital Circuits and Systems Homework Assignment #3

ECET-230 – Digital Circuits and Systems
Homework Assignment #3

Name

1.      Determine the outputs for the circuit shown below. Assume that C0 = 0 for all cases.

2.     
Sketch the Q output for the waveforms shown below applied to an active-LOW S-R latch. Assume that Q starts LOW.

3.      Sketch the Q output for the waveforms shown. Assume that Q starts LOW.

4.     
Sketch the Q output for the circuit shown below. Assume that Q starts LOW.

5.     
Sketch the Q output for the circuit shown below. Assume that Q starts LOW.

6.     

Sketch the Q output for the circuit shown below. Assume that Q starts LOW.

7.     

Sketch the Q output for the circuit shown below. Assume that Q starts LOW.

8.     
Sketch the Q output for the circuit shown below. Assume that Q starts LOW.

9.      Sketch the Q output for the circuit shown below. Assume that Q starts LOW.  Note that the clock goes through a negative edge detection circuit.

1. In your own words, explain the differences between a flip-flop’s asynchronous input and synchronous input.  Be as clear and detailed as possible in your explanation.