MIL-M-3851O/3O9E
Device type O8
SELECT INPUTS |
DATA INPUTS |
OUTPUT CONTROL |
OUTPUT |
||||
B |
A |
CO |
C1 |
C2 |
C3 |
G |
y |
x |
x |
x |
x |
x |
x |
H |
z |
L |
L |
L |
x |
x |
x |
L |
L |
L |
L |
H |
x |
x |
x |
L |
H |
L |
H |
x |
L |
x |
x |
L |
L |
L |
H |
x |
H |
x |
x |
L |
H |
H |
L |
x |
x |
L |
x |
L |
L |
H |
L |
x |
x |
H |
x |
L |
H |
H |
H |
x |
x |
x |
L |
L |
L |
H |
H |
x |
x |
x |
H |
L |
H |
Address inputs A and B are common to both sections.
H = high logic level, L = low logic level, x = irrelevant, z = high impedance (off).
Device type O9
INPUTS |
OUTPUTS |
||||
WORD SELECT |
CLOCK |
QA |
QB |
QC |
QD |
L |
? |
a1 |
b1 |
c1 |
d1 |
H |
? |
a2 |
b2 |
c2 |
d2 |
x |
H |
QAO |
QBO |
QCO |
QDO |
H = high level (steady state)
L = low level (steady state)
x = irrelevant (any input, including transitions)
↓ = transition from high to low level
a1, a2, etc. = the level of steady state input at A1, A2, etc. QAO, QBO, etc. = the level of QA, QB etc, entered on the
most recent ↓ transition of the clock input.
FIGURE 3. Truth tables - Continued.
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