MIL-M-3851O/9E
Device type O1
C D Bn
Cn Dn
t = Shifting left requires external connection of QB to A, QC to B, and QD to C. Serial data is entered at input D. H = high level (steady state), L = low level (steady state), x = irrelevant (any input including transitions)
↓ = transition from high to low level, t = transition from low to high level
a, b, c, d = the level of steady state input at inputs A, B, C, or D, respectively.
QAO, QBO, QCO, QDO = the level of QA, QB, QC or QD respectively, before the indicated steady state input conditions were established.
QAn, QBn, QCn, QDn = the level of QA, QB, QC or QD respectively, before the most recent ↓ transition of the clock.
Device type O2
INPUTS |
OUTPUTS |
||||||||||||
CLEAR |
PRESET ENABLE |
PRESET |
CLOCK |
SERIAL |
QA |
QB |
QC |
QD |
QE |
||||
A |
B |
C |
D |
E |
|||||||||
L |
L |
x |
x |
x |
x |
x |
x |
x |
L |
L |
L |
L |
L |
L |
x |
L |
L |
L |
L |
L |
x |
x |
L |
L |
L |
L |
L |
H |
H |
H |
H |
H |
H |
H |
x |
x |
H |
H |
H |
H |
H |
H |
H |
L |
L |
L |
L |
L |
L |
x |
QAO |
QBO |
QCO |
QDO |
QEO |
H |
H |
H |
L |
H |
L |
H |
L |
x |
H |
QBO |
H |
QDO |
H |
H |
L |
x |
x |
x |
x |
x |
L |
x |
QAO |
QBO |
QCO |
QDO |
QEO |
H |
L |
x |
x |
x |
x |
x |
t |
H |
H |
QAn |
QBn |
QCn |
QDn |
H |
L |
x |
x |
x |
x |
x |
t |
L |
L |
QAn |
QBn |
QCn |
QDn |
H = high level (steady state), L = low level (steady state),
x = irrelevant (any input including transitions), t = transition from low to high level
QAO, QBO, etc. = the level of QA, QB, etc. respectively, before the indicated steady state input conditions were established.
QAn, QBn, etc. = the level of QA, QB, etc. respectively, before the most recent t transition of the clock.
Figure 2. Truth tables and timing diagrams.
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