dp8344b National Semiconductor Corporation, dp8344b Datasheet - Page 111

• Manufacturer Part Number: dp8344b
• Description: Biphase Communications Processor?bcp
• Manufacturer: National Semiconductor Corporation

5 0 Device Specifications
t
t
t
t
t
t
t
t
t
t
t
t
t
t
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
AZ-A-LCL
ZA-LCL-A
PC-LCL-PC
PD-PC-X
PD-X-PC
W-PC
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
A Disabled before LCL Rising
A Enabled after LCL Falling
LCL Rising to AD (PC) Valid
AD (PC) Valid before XACK Rising
XACK Rising to AD (PC) Invalid
AD (PC RIC) Valid
TABLE 5-14 Latched Read of PC RIC (Note 1)
(Continued)
FIGURE 5-14 Latched Read of PC RIC
Parameter
111
(n
Formula
LW
T
a
2T
T
T
T
T
T
T
T
a
H
H
L
T
a
a
a
a
a
a
a
a
H
1)T
a
a
b
b
b
b
b
b
Min
b
22
26
0
0
0
10
11
18
12
22
12
5
Max
26
11
20
8
TL F 9336 – 68
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns