MT9045 Zarlink Semiconductor, MT9045 Datasheet - Page 22

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

† See "Notes" following AC Electrical Characteristics tables.
* Supply voltage and operating temperature are as per Recommended Operating Conditions.
* Timing for input and output signals is based on the worst case result of the CMOS thresholds.
* See Figure 12.
AC Electrical Characteristics - Performance
AC Electrical Characteristics - Timing Parameter Measurement Voltage Levels* -
with respect to ground (V
10
12
13
14
15
16
17
18
19
11
1
2
3
4
5
6
7
8
9
1
2
3
Freerun Mode accuracy with OSCi at:
Holdover Mode accuracy with OSCi at:
Capture range with OSCi at:
Phase lock time
Output phase continuity with:
MTIE (maximum time interval error)
Output phase slope
Reference input for Auto-Holdover with: 8kHz,
19.44MHz
Threshold Voltage
Rise and Fall Threshold Voltage High
Rise and Fall Threshold Voltage Low
SS
) unless otherwise stated
Characteristics
Characteristics
mode switch to Holdover
mode switch to Freerun
reference switch
mode switch to Normal
Zarlink Semiconductor Inc.
±0ppm
± 0ppm
±0ppm
MT9045
1.544MHz
2.048MHz
±100ppm
±100ppm
±100ppm
±32ppm
±32ppm
±32ppm
22
Sym
-0.05
-0.05
-0.05
-100
-230
-198
-130
-30k
-30k
-30k
Min
Sym
V
-32
V
-0
V
HM
LM
T
+0.05
+0.05
+0.05
+100
+230
+198
+130
+30k
+30k
+30k
Max
+32
200
200
600
200
+0
30
50
45
0.5V
0.7V
0.3V
CMOS
Units
ppm
ppm
ppm
ppm
ppm
ppm
ppm
ppm
ppm
ppm
ppm
ppm
us/s
ns
ns
ns
ns
ns
s
DD
DD
DD
5-9
5-9
5-9
1,2,4,6-9,41
1,2,4,6-9,41
1,2,4,6-9,41
1-3,6-9
1-3,6-9
1-3,6-9
1-3,6-15
1-3,6-15
1-2,4-15
1-,4,6-15
1-3,6-15
1-15,28
1-15,28
1-3,6,9,10-12
1-3,7,10-12
1-3,8,10-12
Conditions/
Data Sheet
Notes†
Voltages are
Units
V
V
V