MT9044AL Zarlink, MT9044AL Datasheet - Page 36

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MT9044AL

Manufacturer Part Number
MT9044AL
Description
Framer E1/OC3/T1 5V 44-Pin MQFP
Manufacturer
Zarlink
Datasheet

Specifications of MT9044AL

Package
44MQFP
Maximum Data Rate
2.048 Mbps
Number Of Transceivers
1
Standard Framing Format
E1|OC3|T1
Maximum Supply Current
90 mA
Minimum Single Supply Voltage
4.5 V
Maximum Single Supply Voltage
5.5 V

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Manufacturer:
ZARLINK
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† 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. 8 kHz Frequency Mode selected.
7. 1.544 MHz Frequency Mode selected.
8. 2.048 MHz Frequency Mode selected.
9. Master clock input OSCi at 20 MHz
10. Master clock input OSCi at 20 MHz
11. Master clock input OSCi at 20 MHz
12. Selected reference input at
13. Selected reference input at
14. Selected reference input at
15. For Freerun Mode of
16. For Freerun Mode of
17. For Freerun Mode of
18. For capture range of
19. For capture range of
20. For capture range of
21. 25 pF capacitive load.
22. OSCi Master Clock jitter is less than 2 nspp, or 0.04 UIpp where1 UIpp = 1/20 MHz.
23. Jitter on reference input is less than 7 nspp.
24. Applied jitter is sinusoidal.
25. Minimum applied input jitter magnitude to regain synchronization.
26. Loss of synchronization is obtained at slightly higher input jitter amplitudes.
27. Within 10 ms of the state, reference or input change.
28. 1 UIpp = 125 us for 8 kHz signals.
29. 1 UIpp = 648 ns for 1.544 MHz signals.
30. 1 UIpp = 488 ns for 2.048 MHz signals.
31. 1 UIpp = 323 ns for 3.088 MHz signals.
32. 1 UIpp = 244 ns for 4.096 MHz signals.
33. 1 UIpp = 122 ns for 8.192 MHz signals.
34. 1 UIpp = 61 ns for 16.384 MHz signals.
35. No filter.
36. 40 Hz to 100 kHz bandpass filter.
37. With respect to reference input signal frequency.
38. After a RST or TRST.
39. Master clock duty cycle 40% to 60%.
40. Prior to Holdover Mode, device was in Normal Mode and phase locked.
41. 1 Ulpp = 51 ns for 19.44 MHz signals.
AC Electrical Characteristics - OSCi 20 MHz Master Clock Input
1
2
3
4
5
6
Frequency accuracy
Duty cycle
Rise time
Fall time
(20 MHz nominal)
Characteristics
±
±
±
±
±
±
230 ppm.
198 ppm.
130 ppm.
0 ppm.
32 ppm.
100 ppm.
±
±
±
0 ppm.
32 ppm.
100 ppm.
SS
±
±
±
0 ppm.
) unless otherwise stated.
100 ppm.
32 ppm.
Zarlink Semiconductor Inc.
MT9044
Sym.
36
Min.
-100
-32
40
-0
Max.
+100
+32
+0
60
10
10
Units
ppm
ppm
ppm
ns
ns
%
15,18
16,19
17,20
Conditions/Notes†
Data Sheet

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