Flip-Flop
truth tables and excitation tables:
1 1) R-S flip-flop: -The truth table and excitation tables
of R-S flip are
Truth table of R-S filp-flop
Sn
|
Rn
|
Qn+1
|
0
|
0
|
Qn
|
0
|
1
|
0
|
1
|
0
|
1
|
1
|
1
|
?
|
Excitation table of R-S flip-flop
Present output
|
Next output
|
input
|
|
Qn
|
Qn+1
|
Sn
|
Rn
|
0
|
0
|
0
|
X
|
0
|
1
|
1
|
0
|
1
|
0
|
0
|
1
|
1
|
1
|
X
|
0
|
Note: - Here X is either 0 or 1.
2) J-K Flip-Flop: - The truth
tables and excitation of j-k flip flops are
Truth table
Jk
|
Kn
|
Qn+1
|
0
|
0
|
Qn
|
0
|
1
|
0
|
1
|
0
|
1
|
1
|
1
|
~Qn
|
Excitation table of j-k flip-flop
Present output
|
Next output
|
input
|
|
Qn
|
Qn+1
|
Jn
|
Kn
|
0
|
0
|
0
|
X
|
0
|
1
|
1
|
X
|
1
|
0
|
X
|
1
|
1
|
1
|
X
|
0
|
3) T
Flip-flop:- Truth table and excitation table of T Flip-flop
Truth table
Tn
|
Qn+1
|
0
|
Qn
|
1
|
~Qn
|
Excitation
table
present
output Qn
|
Next output Qn+1
|
input Tn
|
0
|
0
|
0
|
0
|
1
|
1
|
1
|
0
|
1
|
1
|
1
|
0
|
4) D
Flip-flop:- The
truth table and excitation tables of D flip-flops are
Truth table of D flip-flop
Dn
|
Qn+1
|
0
|
0
|
1
|
1
|
Excitation
table of D flip-flop
present
output Qn
|
Next output Qn+1
|
input Tn
|
0
|
0
|
0
|
0
|
1
|
1
|
1
|
0
|
0
|
1
|
1
|
1
|
These are S-R,
J-K, T, D flip flops truth tables and excite tables by using these tables we can
convert from one to other like S-R to J-K etc.
Flip-Flop truth tables and excitation tables
Reviewed by TECH UPDATE
on
February 04, 2018
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