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XRT5897IV PDF预览

XRT5897IV

更新时间: 2024-11-11 03:13:43
品牌 Logo 应用领域
艾科嘉 - EXAR /
页数 文件大小 规格书
21页 609K
描述
Seven-Channel E1 Line Interface

XRT5897IV 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete零件包装代码:QFP
包装说明:LFQFP, QFP100,.63SQ,20针数:100
Reach Compliance Code:compliantHTS代码:8542.39.00.01
风险等级:5.88JESD-30 代码:S-PQFP-G100
JESD-609代码:e0长度:14 mm
功能数量:7端子数量:100
最高工作温度:75 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:LFQFP
封装等效代码:QFP100,.63SQ,20封装形状:SQUARE
封装形式:FLATPACK, LOW PROFILE, FINE PITCH峰值回流温度(摄氏度):NOT SPECIFIED
电源:3.3 V认证状态:Not Qualified
座面最大高度:1.6 mm子类别:Digital Transmission Interfaces
标称供电电压:3.3 V表面贴装:YES
技术:CMOS电信集成电路类型:PCM TRANSCEIVER
温度等级:OTHER端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING端子节距:0.5 mm
端子位置:QUAD处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:14 mmBase Number Matches:1

XRT5897IV 数据手册

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XRT5897  
Seven-Channel E1  
Line Interface  
December 2001-3  
FEATURES  
D Compliant with ITU G.703 Pulse Mask Template for  
D Compliant with ITU--T G.823 Jitter Tolerance Re-  
2.048Mbps (E1) Rates  
quirements  
D Logical Inputs Accept either 3.3V or 5.0V Levels  
D Ultra-Low Power Dissipation  
D Seven Independent CEPT Transceivers  
D Supports Differential Transformer Coupled  
Receivers and Transmitters  
D +3.3V Supply Operation  
D Individual Transmit Channel Over Temperature  
D On Chip Pulse Shaping for Both 75and 120Line  
Protection  
Drivers  
D Compliant with ITU G.775 LOS Declaration/Clearing  
APPLICATIONS  
Recommendation  
D SDH Multiplexer  
D Optional User Selectable LOS Declaration/Clearing  
Delay  
D Digital Cross Connects  
GENERAL DESCRIPTION  
The XRT5897 is an optimized seven channel 3.3V line  
interface unit fabricated using low power CMOS  
technology. The device contains seven independent E1  
channels. It is primarily targeted toward SDH multiplexers  
that accommodate TU12 Tributary Unit Frames. Line  
cards in these units multiplex 21 E1 interfaces into higher  
SDH rates. Devices with seven E1 interfaces such as the  
XRT5897 provide the most efficient method of  
implementing 21 channel line cards. Each channel  
performs the driver and receiver functions necessary to  
convert bipolar signals to logical levels and vice versa.  
The device requires transformers on both receiver and  
transmitter sides, and supports both balanced and  
unbalanced interfaces.  
The device offers two distinct modes of LOS detection.  
The first method, which does not require an external  
clock, provides an LOS output indication signal with  
thresholds and delay that comply with the ITU G.775  
requirements. In the second mode, the user provides an  
external clock that increases the delay for LOS  
declaration and clearing. This feature provides the user  
with the flexibility to implement LOS specifications that  
require a delay greater than the G.775 requirements.  
ORDERING INFORMATION  
Operating  
Part No.  
Package  
100 Lead TQFP (14 x 14 x 1.4mm)  
Temperature Range  
XRT5897IV  
-40°C to +75°C  
Rev. 1.11  
E2001  
EXAR Corporation, 48720 Kato Road, Fremont, CA 94538 z (510) 668-7000 z FAX (510) 668-7017  

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