4.4.4 [120] Toggle-Flip-Flop, Master
Type Function
Type Function
I1
b Toggle 1
O1
b output O1
I2
b Toggle 2
O2
b
negated output O2 =
1O
I3
b Master Set input
P1
I4
b Master Reset input
P2
Description:
Output signal changes with the positive pulse edge at input T1 or with the negative pulse edge
at input T2.
TRUE at the Master Set input sets the output to TRUE. TRUE at the Master Reset input sets the
output to FALSE.
Via the output buffer, the output signal is globally available.
Master Set and Master Reset are connected parallel with the function and change the state of
the function as soon as the signal is present.
Toggle-Flip-Flop, Master
T1
T2
MS
MR
O1
Q
State
x x X 1 0 Off (Master)
X X 1 0 1 On (Master)
0 0 0 0 Q
n-1
Hold
0 1 0 0 Q
n-1
Hold
0Æ1
x 0 0
Q
n-1
¯¯¯
Toggle
1 0 0 0 Q
n-1
Hold
1 1 0 0 Q
n-1
Hold
x 0Æ1 0 0
Q
n-1
¯¯¯
Toggle