1) Press Switch to supply 5V to the circuit.

The switch in ON state is and the switch in OFF state is

2) Press Counter button to start the counter.

3) Different combination of LEDs lit up for different combination of inputs.

The LED in OFF state is and the LED in ON state is .

The data is simultaneously added to the Truth Table.

4) Repeat Steps 2 to 3 for another set of data.

5) Click on "Generate Waveform" Button to generate the Timing Diagram .

6) Click "Print" to get the print out of the Truth Table and the Timing Diagram.

4-Bit Synchronous Parallel Counter using J-K Flip-Flop

Q3

Q2

Q1

Q0

Q3

Q2

Q1

Q0

IC 7476

IC 7476

Switch

Negatively Triggered Clock












      TRUTH TABLE            

Serial No. Clock Q3 Q2 Q1 Q0

      TIMING DIAGRAM