cx28394 Conexant Systems, Inc., cx28394 Datasheet - Page 252
cx28394
Manufacturer Part Number
cx28394
Description
Quad/x16/octal-t1/e1/j1 Framers
Manufacturer
Conexant Systems, Inc.
Datasheet
1.CX28394.pdf
(305 pages)
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4.0 Electrical/Mechanical Specifications
4.4 AC Characteristics
Table 4-4. Input Clock Timing
Figure 4-1. Minimum Clock Pulse Widths
4-4
Symbol
1
2
3
4
5
90%
50%
10%
MCLK Frequency
SYSCLK Frequency
RCKI, TCKI, ACKI Frequency
RSBCKI, TSBCKI Frequency
TCK Frequency
Clock Width High
Clock Width Low
Clock Rise Time
Clock Fall Time
4
4.4 AC Characteristics
Parameter
2
Conexant
5
1
Minimum
0.4 x t(1)
0.4 x t(1)
32.765
8.0
1.5
1.5
—
—
0
Quad/x16/Octal—T1/E1/J1 Framers
3
CX28394/28395/28398
Maximum
0.6 x t(1)
0.6 x t(1)
32.771
35.7
8.2
5.0
2.1
20
20
Units
MHz
MHz
MHz
MHz
MHz
100054E
ns
ns
ns
ns
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