MT90401AB PDF预览

MT90401AB

更新时间: 2025-08-19 22:29:47
品牌 Logo 应用领域
加拿大卓联 - ZARLINK 电信集成电路异步传输模式ATM
页数 文件大小 规格书
38页 650K
描述
SONET/SDH System Synchronizer

MT90401AB 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:LQFP,Reach Compliance Code:compliant
HTS代码:8542.39.00.01风险等级:5.86
应用程序:ATM;SDH;SONETJESD-30 代码:S-PQFP-G80
JESD-609代码:e0长度:14 mm
湿度敏感等级:3功能数量:1
端子数量:80最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:LQFP封装形状:SQUARE
封装形式:FLATPACK, LOW PROFILE峰值回流温度(摄氏度):240
认证状态:Not Qualified座面最大高度:1.6 mm
标称供电电压:3.3 V表面贴装:YES
电信集成电路类型:ATM/SONET/SDH SUPPORT CIRCUIT温度等级:INDUSTRIAL
端子面层:TIN LEAD端子形式:GULL WING
端子节距:0.65 mm端子位置:QUAD
处于峰值回流温度下的最长时间:30宽度:14 mm
Base Number Matches:1

MT90401AB 数据手册

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MT90401  
SONET/SDH System Synchronizer  
Data Sheet  
January 2005  
Features  
Meets requirements of GR-253-CORE for SONET  
Ordering Information  
Stratum 3 and SONET minimum clock  
MT90401AB  
80 Pin LQFP  
Trays  
Meets requirements of GR-1244-CORE Stratum 3  
MT90401AB1 80 Pin LQFP* Trays  
*Pb Free Matte Tin  
Meets requirements of G.813 Option 1 and Option  
2 for SDH Equipment Clocks (SEC) with external  
jitter attenuator  
-40°C to +85°C  
Provides OC-3/STM-1, DS3, E3, 19.44 MHz,  
DS2, E1, T1, 8 kHz and ST-BUS clock outputs  
Applications  
SONET/SDH Add/Drop multiplexers  
SONET/SDH uplinks  
Integrated access devices  
ATM edge switches  
Accepts reference inputs from two independent  
sources  
Selectable 1.544 MHz, 2.048 MHz, 19.44 MHz or  
8kHz input reference frequencies  
Holdover accuracy of 0.02 ppm  
Adjustable output clock phase supporting master-  
slave arrangements  
Description  
The MT90401 is a digital phase locked loop (DPLL)  
that is designed to synchronize SDH (Synchronous  
Digital Hierarchy) and SONET (Synchronous Optical  
Network) networking equipment. The MT90401 is used  
to ensure that the timing of outgoing signals remains  
within the limits specified by Telcordia, ANSI and the  
ITU during normal operation and in the presence of  
disturbances on the incoming synchronization signals.  
Hardware or microprocessor control (8 bit  
microprocessor interface)  
3.3 V supply  
JTAG boundary scan  
TCLR  
LOCK  
VDD  
VSS  
Virtual  
Reference  
C155P/N  
C19o  
C1.5o  
C2o  
C20i  
TCK  
Master Clock  
TIE  
DPLL  
Corrector  
Circuit  
TDI  
IEEE  
Output  
Interface  
Circuit  
TMS  
1149.1a  
C4o  
TRST  
TDO  
C6o  
Selected  
C8o  
State  
Select  
Refer-  
ence  
C16o  
C44/C34  
F0o  
Reference  
Select  
PRI  
SEC  
TIE  
Input  
MUX  
Corrector  
Enable  
F8o  
F16o  
Impairment  
Monitor  
State  
Prioor  
Secoor  
Reference  
Select  
Reference  
Select  
Monitor  
Feedback  
Frequency  
Select  
Control State Machine  
RSEL  
MUX  
RST MS1 MS2 HOLDOVERPCCi FLOCK D0/D7 A0/A6 CS,DS,R/W  
FS1  
FS2  
Figure 1 - Functional Block Diagram  
1
Zarlink Semiconductor Inc.  
Zarlink, ZL and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc.  
Copyright 2003-2005, Zarlink Semiconductor Inc. All Rights Reserved.  

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