Synchronous Counter (Part 2) | Synchronous BCD Counter

In this video, the basic design procedure of a synchronous counter which counts in a specific sequence is explained with the help of two examples. And during the design, how to check and eliminate the lockout condition is also explained.

The following topics are covered in the video:
0:00 Introduction
1:18 Example 1 (Synchronous BCD Counter)
18:50 Example 2

Other useful videos on Counters:

1) Synchronous Counter (Part-1):
   • Synchronous Counters Explained  (Part-1)  

2) Limitations of Ripple Counter:
   • Effect of Propagation Delay on Asynchronou...  

3) Asynchronous Counters:
   • Asynchronous Counters (Ripple Counters) Ex...  

4) Asynchronous BCD Counter:
   • BCD Ripple Counter (with Simulation) | Rip...  


The general procedure for designing a synchronous counter
Step 1: Find the required number of Flip-Flops
Step 2: Draw a State Diagram
Step 3: Select the Type of Flip-Flop and Draw the Excitation Table of the Counter
Step 4: Find the minimal expression for each Flip-Flop input
Step 5: Draw the Circut Diagram
Step 6: Check for Lockout condition
Step 7: If a lock-out condition is found then modify the designed circuit

This video explains this design procedure with the help of two examples.
In the first example, the synchronous BCD counter is designed. And in the second example the counter which counts in a sequence 0,3,5,6,0,... is designed.

This video will be helpful to all the students of science and engineering in understanding the Design procedure of Synchronous Counters which can count in a specific sequence.

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