MT9043 Zarlink Semiconductor, MT9043 Datasheet - Page 12

• Manufacturer Part Number: MT9043
• Description: T1/E1 System Synchronizer
• Manufacturer: Zarlink Semiconductor

MT9043 and Network Specifications
The MT9043 fully meets all applicable PLL requirements (intrinsic jitter, jitter/wander tolerance, jitter/wander
transfer, frequency accuracy, capture range, phase change slope and MTIE during reference rearrangement) for
the following specifications.
1. Bellcore GR-1244-CORE June 1995 for, Stratum 4 Enhanced and Stratum 4
2. AT&T TR62411 (DS1) December 1990 for, Stratum 4 Enhanced and Stratum 4
3. ANSI T1.101 (DS1) February 1994 for Stratum 4 Enhanced and Stratum 4
4. ETSI 300 011 (E1) April 1992 for Single Access and Multi Access
Legend:
-
MTIE
Refer to Control State Diagram for state changes to and from Auto-Freerun State
NOTES:
(XX)
{A}
Movement to Normal State from any
state requires a valid input signal
MS
0
0
1
State change occurs with TIE Corrector Circuit
No Change
Input Controls
MS RSEL
Invalid Reference Signal
Description
Primary
Normal
(00)
S1
RSEL
X
0
1
{A}
Auto-Freerun
Primary
S1A
(00)
Table 4 - Control State Table
Figure 7 - Control State Diagram
Phase Re-Alignment
Phase Continuity Maintained (without TIE Corrector Circuit)
Phase Continuity Maintained (with TIE Corrector Circuit)
Freerun
Zarlink Semiconductor Inc.
S0
S1
S2
-
MT9043
Freerun
12
(1X)
S0
Normal (PRI)
Auto-Freerun
Secondary
S2 MTIE
S2A
State
(01)
S1
S0
-
{A}
Normal (SEC)
Secondary
Normal
S1 MTIE
(01)
S2
S2
S0
Data Sheet
-