dp8344b National Semiconductor Corporation, dp8344b Datasheet - Page 112
![no-image](/images/no-image-200.jpg)
dp8344b
Manufacturer Part Number
dp8344b
Description
Biphase Communications Processor?bcp
Manufacturer
National Semiconductor Corporation
Datasheet
1.DP8344B.pdf
(184 pages)
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5 0 Device Specifications
Note 1 All parameters are individually tested and guaranteed Interpreting this data by numerically adding two or more parameters to create a new timing
specification may lead to invalid results
SU-RRR-CO
H-RRR-X
SU-CMD-RRR
H-CMD-RRR
PD-RRR-X
PD-Xf-LCLr
PD-LCL-X
PD-Xr-LCLf
PC-LCL-RD
PD-RD-X
PD-X-RD
AZ-AAD-LCL
ZA-LCL-AAD
W-RD
Symbol
ID
10
11
12
13
14
1
2
3
4
5
6
7
8
9
RAE REM-RD Falling before CLK-OUT Rising
RAE REM-RD Rising after XACK Rising
CMD Valid before RAE REM-RD Falling
CMD Invalid after RAE REM-RD Falling
RAE REM-RD Falling to XACK Falling
XACK Falling to LCL Rising
LCL Rising to XACK Rising
XACK Rising to LCL Falling
LCL Rising to READ Falling
READ Falling before XACK Rising
XACK Rising to READ Rising
A AD Disabled before LCL Rising
A AD Enabled after LCL Falling
READ Low
TABLE 5-15 Latched Read of DMEM (Note 1)
(Continued)
FIGURE 5-15 Latched Read of DMEM
Parameter
112
(n
DW
(n
(n
(n
DW
DW
LW
Formula
a
T
T
T
T
T
T
1)T
a
a
a
H
H
L
a
a
a
a
a
a
1)T
2)T
1)T
a
T
a
a
a
H
a
b
b
b
b
b
b
Min
b
b
b
22
26
0
0
10
11
15
20
10
12
5
5
7
Max
26
11
16
12
8
TL F 9336 – 69
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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