MT9044AL Zarlink, MT9044AL Datasheet - Page 14

• 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 Manual 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
MS2
0
0
0
0
0
1
State change occurs with TIE Corrector Circuit
Not Valid
No Change
Invalid Reference Signal
MS2 MS1 RSEL
MS1
Input Controls
0
0
0
1
1
0
Description
Primary
Normal
(000)
S1
(GTi=0)
(GTi=1)
RSEL
0
0
1
0
1
X
{A}
GTi
X
X
X
X
0
1
Auto-Holdover
Figure 7 - Manual Control State Diagram
Table 4 - Manual Control State Table
Holdover
Primary
Primary
(000)
(010)
S1H
S1A
Phase Re-Alignment
Phase Continuity Maintained (without TIE Corrector Circuit)
Phase Continuity Maintained (with TIE Corrector Circuit)
Freerun
S0
S1
S1
S2
Zarlink Semiconductor Inc.
/
/
-
MT9044
Freerun
(10X)
14
S0
S2 MTIE
Normal
(PRI)
S1H
S2H
S1
S0
-
-
Auto-Holdover
Secondary
Secondary
Holdover
S1 MTIE
S1 MTIE
Normal
(001)
(011)
S2H
S2A
(SEC)
S2H
S2
S0
State
-
/
{A}
Holdover
S1 MTIE
S2 MTIE
(PRI)
S1H
S1
S0
-
/
Secondary
Normal
(001)
S2
Data Sheet
Holdover
S1 MTIE
S1 MTIE
S2 MTIE
(SEC)
S2H
S0
-
/