dp8344b National Semiconductor Corporation, dp8344b Datasheet - Page 130

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

t
t
t
t
t
t
t
t
t
PD-LCL-AAD
PD-LCL-AAD-BR
PD-AAD-ALE
SU-WT-LCL
H-WT-LCL
H-WT-LCL-BR
SU-WT-ALEf
H-WT-ALE
SU-WT-AAD
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
Symbol
ID
1
2
3
4
5
6
7
LCL Falling to A AD (Data Address) Valid
LCL Falling to A AD (Data Address) Valid
for Buffered Read of RIC
A AD (Data Address) Valid to ALE Falling
LCL Falling to WAIT Falling to Extend Local Cycle
WAIT Rising after LCL Falling
WAIT Rising after LCL Falling for Buffered
read of RIC
WAIT Low Before ALE Falling to Extend Cycle
WAIT Rising After ALE Falling
A AD (Data Address) Valid to WAIT Falling
to Extend Load Cycle
TABLE 5-28 Wait Timing After Remote Access (Note 1)
FIGURE 5-28 Wait Timing After Remote Access
Parameter
(Continued)
130
(max(n
(max(n
(max(n
(max(n
(max(n
DW
DW
DW
DW
DW
n
n
n
n
Formula
IW
IW
IW
IW
n
T
2T
T
T
b
b
b
b
H
IW
a
a
a
a
1)
1)
1)
1)
b
a
a
a
a
1)
1)T
1)T
2)T
3)T
a
1)T
a
a
a
a
T
T
T
T
a
H
H
H
H
a
a
a
a
b
b
Min
b
b
22
0
16
33
3
3
TL F 9336 – I0
b
b
b
Max
11
29
29
28
28
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns