參數(shù)資料
型號(hào)： MT9045
廠商： Zarlink Semiconductor Inc.
英文描述： T1/E1/OC3 System Synchronizer
中文描述： T1/E1/OC3系統(tǒng)同步
文件頁數(shù)： 31/34頁
文件大小： 495K
代理商： MT9045
MT9045
Data Sheet
31
Zarlink Semiconductor Inc.
See "Notes" following AC Electrical Characteristics tables.
See "Notes" following AC Electrical Characteristics tables.
Notes:
Voltages are with respect to ground (V
) unless otherwise stated.
Supply voltage and operating temperature are as per Recommended Operating Conditions.
Timing parameters are as per AC Electrical Characteristics - Timing Parameter Measurement Voltage Levels
1. PRI reference input selected.
2. SEC reference input selected.
3. Normal Mode selected.
4. Holdover Mode selected.
5. Freerun Mode selected.
6. 8kHz Frequency Mode selected.
7. 1.544MHz Frequency Mode selected.
8. 2.048MHz Frequency Mode selected.
9. 19.44MHz Frequency Mode selected.
10. Master clock input OSCi at 20MHz
±
0ppm.
11. Master clock input OSCi at 20MHz
±
32ppm.
12. Master clock input OSCi at 20MHz
±
100ppm.
13. Selected reference input at
0ppm.
14. Selected reference input at
±
32ppm.
15. Selected reference input at
±
100ppm.
16. For Freerun Mode of
0ppm.
17. For Freerun Mode of
±
32ppm.
18. For Freerun Mode of
±
100ppm.
19. For capture range of
±
230ppm.
20. For capture range of
±
198ppm.
21. For capture range of
±
130ppm.
22. 25pF capacitive load.
AC Electrical Characteristics - 2.048MHz Input Jitter Tolerance
Characteristics
Sym
Min
Max
Units
Conditions/Notes
1
Jitter tolerance for 1Hz input
150
UIpp
1-3,8,10 -15,22-23,25-27,31
2
Jitter tolerance for 5Hz input
140
UIpp
1-3,8,10 -15,22-23,25-27,31
3
Jitter tolerance for 20Hz input
130
UIpp
1-3,8,10 -15,22-23,25-27,31
4
Jitter tolerance for 300Hz input
50
UIpp
1-3,8,10 -15,22-23,25-27,31
5
Jitter tolerance for 400Hz input
40
UIpp
1-3,8,10 -15,22-23,25-27,31
6
Jitter tolerance for 700Hz input
20
UIpp
1-3,8,10 -15,22-23,25-27,31
7
Jitter tolerance for 2400Hz input
5
UIpp
1-3,8,10 -15,22-23,25-27,31
8
Jitter tolerance for 10kHz input
1
UIpp
1-3,8,10 -15,22-23,25-27,31
9
Jitter tolerance for 100kHz input
1
UIpp
1-3,8,10 -15,22-23,25-27,31
AC Electrical Characteristics - OSCi 20MHz Master Clock Input
Characteristics
Sym
Min
Max
Units
Conditions/Notes
1
Tolerance
-0
+0
ppm
16,19
2
-32
+32
ppm
17,20
3
-100
+100
ppm
18,21
4
Duty cycle
40
60
%
5
Rise time
10
ns
6
Fall time
10
ns
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