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HO
A-20
A. LOGIC DIAGRAM
SET CONTROL {
RESET CONTROL {
SET OUTPUT
ALL DC SET ANO RESET
IN PUTS, ANO THE CLOCK
MUST BE LOGIC ONES.
B} Boolean Equations
Sc- AND result of the set control inputs
Re-
AND result of the reset control inputs
F
- state of the flip-flop
primes
1 }
-
previous state of a signal
F
=
S'c·
Sc
F
=
R'c·Rc
C. TIMING DIAGRAM
(setting operation}
(resetting operation}
SET CONTROL {
~
. . . . _ __ __
~n
_ _
RESET CONTROL
{(' I
I
_______ ,_,,jlL
SET OUTPUT {
~ --~n~--------'
L
Figure A-13.
Control Inputs Used Directly to Set or Reset
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