CN8380 Datasheet, PDF (77/91 Pages) Conexant Systems, Inc – integrated quad line interface unit unit for both 1.544 Mbps (T1) and 2.048 Mbps (E1) applications

CN8380
Quad T1/E1 Line Interface
Table 4-7. CLAD Timing Parameters
Symbol
Parameter
1
REFCKI frequency
—
CLADI frequency
2
Duty cycle
REFCKI, CLADI
3
Rise/fall time (10% to 90%)
REFCKI, CLADI
1
CLADO frequency
1
CLK32 frequency
1
CLK1544 frequency
1
CLK2048 frequency
2
Duty cycle
CLADO, CLK32, CLK1544, CLK2048
3
Rise/fall time
CLADO, CLK32, CLK1544, CLK2048
NOTE(S): See Figure 4-3.
4.0 Electrical/Mechanical Specifications
4.5 AC Characteristics
Minimum
9.999
8
40
Maximum
10.001
16,384
60
—
20
8
16,384
32.768
(Locked to CLAD reference)
1.544
(Locked to CLAD reference)
2.048
(Locked to CLAD reference)
45
55
—
20
Units
MHz
kHz
%
ns
MHz
MHz
MHz
MHz
%
ns
Figure 4-3. CLAD Timing Diagram
90%
10%
3
8380_018
1
2
2
N8380DSA
Conexant
4-7
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