LOGIC DIAGRAM OF 3 BIT SYNCHRONOUS UP COUNTER
Bidirectional Counter - Up Down Binary Counter
The circuit above is of a simple 3-bit Up/Down synchronous counter using JK flip-flops configured to operate as toggle or T-type flip-flops giving a maximum count of zero (000) to seven (111) and back to zero again. Then the 3-Bit counter advances upward in sequence (0,1,2,3,4,5,6,7) or downwards in reverse sequence (7,6,5,4,3,2,1,0).
D Flip Flop Based Implementation Digital Logic Design
The state diagram of a 3-bit Up/Down Synchronous Counter is shown in the figure. 32.2. X=0 and X =1 indicates that the counter counts up when input X = 0 and it counts down
3 bit synchronous counter | All About Circuits
Apr 13, 2011But it really only covers 2 bit, not 3 bit. When he does do 3 bit he does something covering only even numbers. I don't know. It helped a little bit, but not so much. Especially since he did the process backwards to create a synchronous counter, rather than what I need which is finding the specifications behind the diagram. What I do understand:
Digital System Tutorial: 3-bit Synchronous down counter
Dec 11, 2008Simplified 4-bit synchronous down counter with JK flip-flop. What are the advantages and disadvantages for this circuit that has 2-input AND gate as compared to the previous design which has 3-input AND gate? Tips: The answers can be apparent if you think the counter with large bits, eg: 16 bit synchronous counter.
Synchronous Counter and the 4-bit Synchronous Counter
Therefore, this type of counter is also known as a 4-bit Synchronous Up Counter. However, we can easily construct a 4-bit Synchronous Down Counter by connecting the AND gates to the Q output of the flip-flops as shown to produce a waveform timing diagram the reverse of the above.