Elenco Understanding Logic Gates and Circuits - Manual (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