MIL-M-3851O/371B
Device type O3
INPUTS |
OUTPUTS |
|||||
PRESET |
CLEAR |
CLOCK |
J |
K |
Q |
Q |
L |
H |
x |
x |
x |
H |
L |
H |
L |
x |
x |
x |
L |
H |
L |
L |
x |
x |
x |
H* |
H* |
H |
H |
↓ |
L |
L |
QO |
Q O |
H |
H |
↓ |
L |
H |
L |
H |
H |
H |
↓ |
H |
L |
H |
L |
H |
H |
↓ |
H |
H |
TOGGLE |
|
H |
H |
H |
x |
x |
QO |
Q O |
H = High level (steady state) L = Low level (steady state) x = Irrelevant
↓= Tansition from high to low level
QO= The level of Q before the indicated steady state input conditions were established.
TOGGLE: Each output changes to the complement of its
Previous level on each ↓ clock transition.
*This configuration is nonstable; that is, it will not persist when preset and clear inputs return to their inactive (high) level.
Device type O4
OUTPUT CONTROL |
CLOCK |
D |
OUTPUT Q |
L |
↑ |
H |
H |
L |
↑ |
L |
L |
L |
L |
x |
QO |
H |
x |
x |
z |
H = High level (steady state) L = Low level (steady state) x = Irrelevent
↑= Transition from low to high level
QO= The level of Q before the indicated steady
State input conditions were established.
z = High Impedance state
FIGURE 3. Truth tables - Continued.
17
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