MT9072 Zarlink Semiconductor, Inc., MT9072 Datasheet - Page 255

• Manufacturer Part Number: MT9072
• Description: Octal T1-E1-J1 Framer
• Manufacturer: Zarlink Semiconductor, Inc.

Preliminary Information
17.0 AC Electrical Characteristics - PCM24 and ST-BUS Frame Format
In both the transmit and receive directions, PCM24 LSB maps to ST-BUS LSB.
E1 Mode
Absolute Maximum Ratings*
* Voltages are with respect to ground (VSS) unless otherwise stated.
* Exceeding these values may cause permanent damage. Functional operation under these conditions is not implied.
1
2
3
4
5
6
Supply Voltage
Voltage at Digital Inputs
Current at Digital Inputs
Voltage at Digital Outputs
Current at Digital Outputs
Storage Temperature
CHANNEL
31 or 127
FRAME
15
CHANNEL
FRAME
Significant
Significant
0
Bit (First)
Bit (First)
0
Most
Most
Parameter
timeslot
BIT
0
1
BIT
7
• • • • • • • •
BIT
2
• • •
BIT
timeslot
6
Figure 50 - ST-BUS Format
Figure 49 - PCM 24 Format
BIT
1
3
BIT
5
125 s
2.0 ms
BIT
(8/2.048) s
4
(8/2.048 or 8/8.192) s
BIT
4
• • • •
BIT
5
BIT
CHANNEL
125 s
3
30 or 126
BIT
6
FRAME
Symbol
V
14
T
V
I
BIT
V
DD
I
O
ST
2
I
O
BIT
I
7
timeslot
31 or 127
CHANNEL
BIT
BIT
1
30
8
FRAME
Min
-0.3
-0.3
-0.3
-65
15
Least
Significant
Bit (Last)
BIT
0
timeslot
CHANNEL
Least
Significant
Bit (Last)
V
V
31
FRAME
0
DD
DD
Max
150
5.5
30
30
0
+ 0.3
+ 0.3
MT9072
Units
mA
mA
°C
V
V
V
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