MT9045 Zarlink Semiconductor, MT9045 Datasheet - Page 31

• Manufacturer Part Number: MT9045
• Description: T1/E1/OC3 System Synchronizer
• Manufacturer: Zarlink Semiconductor

† See "Notes" following AC Electrical Characteristics tables.
† See "Notes" following AC Electrical Characteristics tables.
† Notes:
Voltages are with respect to ground (V
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
11. Master clock input OSCi at 20MHz
12. Master clock input OSCi at 20MHz
13. Selected reference input at
14. Selected reference input at
15. Selected reference input at
16. For Freerun Mode of
17. For Freerun Mode of
18. For Freerun Mode of
19. For capture range of
20. For capture range of
21. For capture range of
22. 25pF capacitive load.
AC Electrical Characteristics - 2.048MHz Input Jitter Tolerance
AC Electrical Characteristics - OSCi 20MHz Master Clock Input
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
Jitter tolerance for 1Hz input
Jitter tolerance for 5Hz input
Jitter tolerance for 20Hz input
Jitter tolerance for 300Hz input
Jitter tolerance for 400Hz input
Jitter tolerance for 700Hz input
Jitter tolerance for 2400Hz input
Jitter tolerance for 10kHz input
Jitter tolerance for 100kHz input
Tolerance
Duty cycle
Rise time
Fall time
Characteristics
Characteristics
±
±
±
±
±
±
230ppm.
198ppm.
130ppm.
0ppm.
32ppm.
100ppm.
±
±
±
0ppm.
32ppm.
100ppm.
SS
±
±
±
32ppm.
100ppm.
) unless otherwise stated.
0ppm.
Zarlink Semiconductor Inc.
Sym
MT9045
Sym
31
Min
150
140
130
50
40
20
5
1
1
-100
Min
-32
Max
40
-0
+100
Max
+32
Units
UIpp
UIpp
UIpp
UIpp
UIpp
UIpp
UIpp
UIpp
UIpp
+0
60
10
10
Units
ppm
ppm
ppm
1-3,8,10 -15,22-23,25-27,31
1-3,8,10 -15,22-23,25-27,31
1-3,8,10 -15,22-23,25-27,31
1-3,8,10 -15,22-23,25-27,31
1-3,8,10 -15,22-23,25-27,31
1-3,8,10 -15,22-23,25-27,31
1-3,8,10 -15,22-23,25-27,31
1-3,8,10 -15,22-23,25-27,31
1-3,8,10 -15,22-23,25-27,31
ns
ns
%
Conditions/Notes†
16,19
17,20
18,21
Conditions/Notes†
Data Sheet