CX28398 Conexant Systems, CX28398 Datasheet - Page 252

• Manufacturer Part Number: CX28398
• Description: (CX28394 - CX28398) Quad/x16/Octal?T1/E1/J1 Framers
• Manufacturer: Conexant Systems

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
2.1
8.2
5.0
20
20
Units
MHz
MHz
MHz
MHz
MHz
100054E
ns
ns
ns
ns