MT9044AL Zarlink, MT9044AL Datasheet - Page 28

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

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

† 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 combination of TTL and CMOS thresholds.
* See Figure 18.
AC Electrical Characteristics - Performance
AC Electrical Characteristics - Timing Parameter Measurement Voltage Levels* -
ground (VSS) unless otherwise stated
10
12
13
14
15
16
17
18
19
11
1
2
3
4
5
6
7
8
9
1
2
3
Threshold Voltage
Rise and Fall Threshold Voltage High
Rise and Fall Threshold Voltage Low
Freerun Mode accuracy with OSCi at:
Holdover Mode accuracy with OSCi at:
Capture range with OSCi at:
Phase lock time
Output phase continuity with:
switch
MTIE (maximum time interval error)
Output phase slope
Reference input for Auto-Holdover with:
Characteristics
Characteristics
mode switch to Holdover
mode switch to Freerun
mode switch to Normal
reference
1.544 MHz
2.048 MHz
±100 ppm
±100 ppm
±100 ppm
Zarlink Semiconductor Inc.
±±0 ppm
±32 ppm
±32 ppm
±32 ppm
±0 ppm
±0 ppm
8 kHz
MT9044
28
Sym.
V
V
V
HM
LM
Sym.
T
Schmitt
-0.05
-0.05
-0.05
-18 k
-36 k
-36 k
-100
-230
-198
-130
Min.
-32
-0
1.5
2.3
0.8
+0.05
+0.05
+0.05
+18 k
+36 k
+36 k
Max.
+100
+230
+198
+130
+32
200
200
200
600
+0
30
50
45
TTL
1.5
2.0
0.8
Units
ppm
ppm
ppm
ppm
ppm
ppm
ppm
ppm
ppm
ppm
ppm
ppm
us/s
ns
ns
ns
ns
ns
s
Voltages are with respect to
Conditions/Notes†
5-8
5-8
5-8
1,2,4,6-8,40
1,2,4,6-8,40
1,2,4,6-8,40
1-3,6-8
1-3,6-8
1-3,6-8
1-3,6-14
1-3,6-14
1-2,4-14
1-,4,6-14
1-3,6-14
1-14,27
1-14,27
1-3,6,9-11
1-3,7,9-11
1-3,8-11
0.5V
0.7V
0.3V
CMOS
DD
DD
DD
Data Sheet
Units
V
V
V