MT9044AL Zarlink, MT9044AL Datasheet - Page 15

• 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

Legend:
-
MTIE
Refer to Automatic Control State Diagram for state changes to and from Auto-Holdover State
NOTES:
(XXX)
{A}
Movement to Normal State from any
state requires a valid input signal
LOS2
X
X
1
0
0
1
(X0X)
No Change
State change occurs with TIE Corrector Circuit
Invalid Reference Signal
LOS2 LOS1 GTi
Input Controls
(X01)
LOS1
Description
Reset
Primary
Normal
1
0
0
1
1
1
S1
(X00)
Table 5 - Automatic Control (MS1=MS2=1, RSEL=0) State Table
GTi
(010 or 11X)
X
X
0
1
0
1
(010 or 11X)
{A}
(X0X)
0 to 1
RST
(11X) RST=1
(X0X)
1
1
1
1
1
Figure 8 - Automatic Control State Diagram
Auto-Holdover
(X0X)
Holdover
Primary
Primary
S1A
S1H
Phase Re-Alignment
Phase Continuity Maintained (without TIE Corrector Circuit)
Phase Continuity Maintained (with TIE Corrector Circuit)
Freerun
S0
S1
S1
S1
S2
Zarlink Semiconductor Inc.
-
-
MT9044
(X0X)
Freerun
15
(11X)
(X0X)
(011)
S2 MTIE
S0
Normal
(PRI)
S1H
S1H
S1
S0
-
-
(011)
(11X)
Auto-Holdover
Secondary
Secondary
S1 MTIE
S1 MTIE
Holdover
Normal
(01X)
(SEC)
S2H
S2A
S2H
S2
S0
State
-
-
(01X)
(01X)
Holdover
S1 MTIE
S2 MTIE
{A}
(PRI)
S1H
S0
S1
-
-
(11X)
Secondary
Normal
S2
Data Sheet
Holdover
S1 MTIE
S1 MTIE
S2 MTIE
S2 MTIE
(SEC)
S2H
(01X)
S0
(01X)
-