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Page Title:
Figure 2. Truth tables Device type 04 |
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|  MIL-M-38510/328C
Device type 04
INPUTS
DATA I/O *
OPERATION OR FUNCTION
DIR
CAB
CBA
SAB
SBA
A1 thru A8
B1 thru B8
G
H
X
H or L
H or L
X
X
Input
Input
Isolation
↑
↑
H
X
X
X
Store A and B Data
L
L
X
X
X
L
Output
Input
Real Time B Data to A Bus
L
L
X
X
X
H
Stored B Data to A Bus
L
H
X
X
L
X
Input
Output
Real Time A Data to B Bus
L
H
H or L
X
H
X
Stored A Data to B Bus
↑ = Low to high level transition
H = High Level
L = Low Level
X = Irrelevant
* The data output function may be enabled or disabled by various signals at the G and DIR inputs. Data input functions
are always enabled, i.e., data at the bus pins will be stored on every low to high transition on the clock inputs.
Device type 05
INPUTS
DATA I/O *
OPERATION OR FUNCTION
DIR
CAB
CBA
SAB
SBA
A1 thru A8
B1 thru B8
G
H
X
H or L
H or L
X
X
Input
Input
Isolation
↑
↑
H
X
X
X
Store A and B Data
L
L
X
X
X
L
Output
Input
Real Time B Data to A Bus
L
L
X
X
X
H
Stored B Data to A Bus
L
H
X
X
L
X
Input
Output
Real Time A Data to B Bus
L
H
H or L
X
H
X
Stored A Data to B Bus
↑ = Low to high level transition
H = High Level
L = Low Level
X = Irrelevant
* The data output function may be enabled or disabled by various signals at the G and DIR inputs. Data input functions
are always enabled, i.e., data at the bus pins will be stored on every low to high transition on the clock inputs.
FIGURE 2. Truth tables - Continued.
13
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