Question
Download Solution PDFIn a JK flip flop output Qn = 1 and it does not change when a clock pulse is applied. What is the possible combination of inputs (Jn, Kn) in this condition ('X' denotes don't care)
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
The excitation table for JK Flip Flop is given by,
Thus, to change the output from 0 to 1 the input combination can be either,
J = 1, K = 0
J = 1, K = 1
Combined these two conditions can be written as
J= 1 K = X
Where X represents don’t care condition
Hence (X, 0) is the possible combination of inputs for output Qn = 1
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