MIL-M-3851O/28C
Device type O4
3a. SERIAL ENTRY 3b. SERIAL ENTRY
( PE = HIGH, MR = HIGH) ( PE = HIGH, MR = HIGH)
3c. PARALLEL ENTRY
( PE = LOW, MR = HIGH)
(n + 1 = indicates state after next clock)
3d. MODE SELECTION
PE |
PO |
P1 |
P2 |
P3 |
J |
K |
MR |
|
Serial Entry |
H |
x |
x |
x |
x |
Refer to Table 3a and 3b |
H |
|
Parallel Entry |
L |
Refer to Table 3c |
x |
x |
H |
H = HIGH voltage level L = LOW voltage level x = Don't care
Figure 3. Truth tables and timing diagrams - Continued.
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