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MT9043AN48PINSSOP Datasheet

  • MT9043AN48PINSSOP

  • T1/E1 System Synchronizer

  • 29頁

  • ZARLINK   ZARLINK

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MT9043
T1/E1 System Synchronizer
Data Sheet
Features
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Supports AT&T TR62411 and Bellcore GR-1244-
CORE, Stratum 4 Enhanced and Stratum 4 timing
for DS1 interfaces
Supports ETSI ETS 300 011, TBR 4, TBR 12 and
TBR 13 timing for E1 interfaces
Selectable 19.44 MHz, 1.544MHz, 2.048MHz or
8kHz input reference signals
Provides C1.5, C2, C4, C6, C8, C16, and C19
(STS-3/OC3 clock divided by 8) output clock
signals
Provides 5 different styles of 8 KHz framing
pulses
Attenuates wander from 1.9Hz
Fast lock mode
Provides Time Interval Error (TIE) correction
Accepts reference inputs from two independent
sources
JTAG Boundary Scan
Ordering Information
MT9043AN 48 pin SSOP
-40擄C to +85擄C
November 2003
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Description
The MT9043 T1/E1 System Synchronizer contains a
digital phase-locked loop (DPLL), which provides timing
and synchronization signals for multitrunk T1 and E1
primary rate transmission links.
The MT9043 generates ST-BUS clock and framing
signals that are phase locked to either a 19.44 MHz,
2.048MHz, 1.544MHz, or 8kHz input reference.
The MT9043 is compliant with AT&T TR62411 and
Bellcore GR-1244-CORE, Stratum 4 Enhanced, and
Stratum 4; and ETSI ETS 300 011. It will meet the
jitter/wander tolerance, jitter transfer, intrinsic jitter,
frequency accuracy, capture range, phase change
slope, and MTIE requirements for these specifications.
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Applications
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Synchronization and timing control for multitrunk
T1,E1 and STS-3/OC3 systems
ST-BUS clock and frame pulse sources
OSCi
OSCo
TCLR
LOCK
VDD
VSS
Master Clock
TCK
TDI
TMS
TRST
TDO
PRI
SEC
IEEE
1149.1a
TIE
Corrector
Circuit
Virtual
Reference
DPLL
Output
Interface
Circuit
Reference
Select
MUX
Selected
Reference
TIE
Corrector
Enable
State
Select
Input
Impairment
Monitor
Reference
Select
RSEL
Control State Machine
State
Select
C19o
C1.5o
C2o
C4o
C6o
C8o
C16o
F0o
F8o
F16o
RSP
TSP
Feedback
Frequency
Select
MUX
MS
RST
IM
FLOCK
FS1
FS2
Figure 1 - Functional Block Diagram
Zarlink Semiconductor US Patent No. 5,602,884, UK Patent No. 0772912,
France Brevete S.G.D.G. 0772912; Germany DBP No. 69502724.7-08
1
Zarlink Semiconductor Inc.
Zarlink, ZL and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc.
Copyright 2003, Zarlink Semiconductor Inc. All Rights Reserved.

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