參數(shù)資料
型號: CN8223EPF
英文描述: ATM/SONET TRANSCEIVER|CMOS|QFP|160PIN|PLASTIC
中文描述: 的ATM / SONET的收發(fā)器|的CMOS | QFP封裝| 160PIN |塑料
文件頁數(shù): 149/161頁
文件大小: 1865K
代理商: CN8223EPF
Command Strobe Setup before Clock High
CN8223
4.0 Electrical and Mechanical Specifications
ATM Transmitter/Receiver with UTOPIA Interface
4.3 Timing
100046D
Conexant
4-15
4.3.5 TAXI Interface Timing
Table 4-9
and
Figure 4-8
display the timing requirements and characteristics of
the TAXI interface. All times are in nanoseconds.
Table 4-9. TAXI Interface Timing
Name
Interval
Description
Min
Max
t
ptx
1
5
Transmit Clock Input Period
50
t
tcl
1
3
Transmit Clock High Pulse Width
25
t
tch
3
5
Transmit Clock Low Pulse Width
25
t
clsh
3
4
Transmit Clock Low to Strobe Output High
3.0
t
sh
4
6
Strobe Output Pulse Width High
t
ptx
/2
12.0
t
cssh
2
4
Command Out Setup before Strobe High
25
t
chsh
4
7
Command Out Hold after Strobe High
24
t
dssh
8
9
Data Out Setup before Strobe High
22
t
dhsh
9
10
Data Out Hold after Strobe High
25
t
prx
11
17
Receive Clock Input Period
50
t
rcl
11
14
Receive Clock Low Pulse Width
25
t
rch
14
17
Receive Clock High Pulse Width
25
t
ssch
12
14
4
t
csch
13
14
Command Input Setup before Clock High
8
t
shch
14
15
Command Strobe Hold after Clock High
0
t
chch
14
16
Command Input Hold after Clock High
5
t
dsch
18
19
Data/Violation Input Setup before Clock High
5
t
dhch
19
20
Data/Violation Input Hold after Clock High
5
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