Elenco Understanding Logic Gates and Circuits User Manual download pdf (Page 20)

Project 12: J-K Latch

K

Q

Input (J) Input (K) Output (Q) Output (Q)

0 0 Hold State Hold State

1 0 1 0

0 1 0 1

1 1 Toggle Toggle

J

Q

 Stays the same when J=K=0

 Reset to 0 when J=0 & K=1

 Set to 1 when J=1 & K=0

 Toggles when J=K=1

J-K Latches and flip flops are used for memory devices and counters.

20

3

4

1

2

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