Draw the logic diagram of 4-bit twisted ring counters, Computer Engineering

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Draw the logic diagram of 4-bit Twisted Ring counters and explain its operation with the help of timing diagram.

Ans:

Twisted ring counter (4 BIT): We ready know that shift registers can function in 4 various modes, which are SISO, SIPO, PISO and PIPO.

Subsequent is the 4 BIT register which can function in any of the mode. If Q0 is applied to the serial input, the resulting circuit is termed as twisted ring or Johnson Counter. Square wave form is acquired at the Q output, if the clock pulse is applied after clearing the Flip Flops.

2132_The logic diagram of 4-bit Twisted Ring counter.png

The logic diagram of 4-bit Twisted Ring counter

2394_Wave from u bit ring counter.png


Wave from u bit Twiest ring counter

Two input AND Gates are essential for decoding the count, Decoding logic for 4 stage twisted ring counter are as:

 

2323_Decoding logic for 4 stage twisted ring counter.png


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