JK Flip-Flop

JK FLIP-FLOP

BLOCK DIAGRAM:

 

  • When the clock (Clk) input is LOW “0” then there is no change from the output. It does not respond when the clock input is LOW. When we apply the clock HIGH “1” then it works normally and output varies as shown below tables.

 

TRUTH TABLE:

Clk

J

K

Qn+1

0

X

X

Qn

1

0

0

Qn

1

0

1

0

1

1

0

1

1

1

1

Toggle

 

  •  When JK Flip-Flop inputs having 00, 01, 10 then output shows in these states but in 11 state we get toggle output.
  • 00 – NO CHANGE Operation.
  • 01 – RESET Operation.
  • 10 – SET Operation.
  • 11 – Toggle
  • We are having Race around the problem for JK. So, to overcome that we have used the Master-slave concept.

CHARACTERISTIC TABLE:

J

K

Q

Qn+1

0

0

0

0

0

1

0

0

1

0

0

1

1

1

0

Toggle

0

0

1

1

0

1

1

0

1

0

1

1

1

1

1

Toggle

 

CHARACTERISTICS EQUATION:

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