Flip Flops

Name Graphic Symbol Characteristic Table
S/C
or
S/R
S/R Flip Flop

 S R | Q(t+1)
 ----+-------
 0 0 | Q(t)
 0 1 |  0
 1 0 |  1
 1 1 | ???
D
D Flip Flop

 D | Q(t+1)
 --+-------
 0 | 0
 1 | 1
J/K
J/K Flip Flop

 J K | Q(t+1)
 ----+-------
 0 0 | Q(t)
 0 1 |  0
 1 0 |  1
 1 1 | Q'(t)
T
T Flip Flop

 T | Q(t+1)
 --+-------
 0 | Q(t)
 1 | Q'(t)