參數(shù)資料
型號(hào)： MT9045
廠商： Zarlink Semiconductor Inc.
英文描述： T1/E1/OC3 System Synchronizer
中文描述： T1/E1/OC3系統(tǒng)同步
文件頁(yè)數(shù)： 1/34頁(yè)
文件大?。?/td> 495K
代理商： MT9045
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.
Features
Supports AT&T TR62411 and Bellcore GR-1244-
CORE Stratum 3, Stratum 4 Enhanced and
Stratum 4 timing for DS1 interfaces
Supports ITU-T G.813 Option 1 clocks for 2048
kbit/s interfaces
Supports ITU-T G.812 Type IV clocks for 1,544
kbit/s interfaces and 2,048 kbit/s 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 styles of 8 KHz framing pulses
Holdover frequency accuracy of 0.05 PPM
Holdover indication
Attenuates wander from 1.9Hz
Fast lock mode
Provides Time Interval Error (TIE) correction
Accepts reference inputs from two independent
sources
JTAG Boundary Scan
Applications
Synchronization and timing control for multitrunk
T1,E1 and STS-3/OC3 systems
ST-BUS clock and frame pulse sources
November 2003
Ordering Information
MT9045AN 48 pin SSOP
-40
°
C to +85
°
C
MT9045
T1/E1/OC3 System Synchronizer
Data Sheet
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
IEEE
1149.1a
Reference
Select
Feedback
TIE
Corrector
Enable
Control State Machine
State
Select
State
Select
Frequency
Select
MUX
Input
Impairment
Monitor
Output
Interface
Circuit
Reference
Select
MUX
TIE
Corrector
Circuit
MS1 MS2
FS1
FS2
TCK
TDI
TMS
TRST
SEC
RST
RSEL
VDD
VSS
TCLR
C1.5o
C2o
C4o
C6o
C19o
C8o
C16o
F0o
F8o
F16o
RSP
TSP
OSCo
OSCi
Master Clock
TDO
PRI
HOLDOVER
P FLOCK
LOCK
Reference
Monitor
Prioor
Secoor
Virtual
Reference
Selected
Reference
DPLL
相關(guān)PDF資料
PDF描述
MT9045AN T1/E1/OC3 System Synchronizer
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MT9046AN 制造商:Microsemi Corporation 功能描述:
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