Question
Download Solution PDFThe output Qn of a J-K flip-flop is zero. It changes to 1 when a clock pulse is applied. The input Jn and Kn are respectively (X represents don’t care condition):
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe excitation table for JK Flip Flop is given by,
When the previous output of J-K flip flop is 0 and then changes to 1, the input of J-K flip flop must be 1 and X.
A JK flip flop is somewhat similar to an SR flip flop.
The difference in JK and SR flip flop is that in JK flip flop condition when S=R =1 is also included. When both J=K =1 then flip flop is said to be in toggle mode. Input J and K behave like S and R to set and reset respectively.
The truth table for J K flip flop is :
| J | K | Qn |
| 0 | 0 | Q |
| 1 | 0 | 1 |
| 0 | 1 | 0 |
| 1 | 1 | Toggle |
Last updated on Jul 2, 2025
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