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XRT71D03 PDF预览

XRT71D03

更新时间: 2024-09-17 03:35:43
品牌 Logo 应用领域
艾科嘉 - EXAR 数字传输接口电信集成电路电信电路衰减器PC
页数 文件大小 规格书
24页 248K
描述
3 CHANNEL E3/DS3/STS-1 JITTER ATTENUATOR

XRT71D03 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Transferred零件包装代码:QFP
包装说明:LFQFP,针数:64
Reach Compliance Code:compliantHTS代码:8542.39.00.01
风险等级:5.77JESD-30 代码:S-PQFP-G64
JESD-609代码:e0长度:10 mm
功能数量:1端子数量:64
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:LFQFP
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:PCM JITTER ATTENUATOR
温度等级:INDUSTRIAL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:10 mmBase Number Matches:1

XRT71D03 数据手册

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áç  
XRT71D03  
3 CHANNEL E3/DS3/STS-1 JITTER ATTENUATOR  
SEPTEMBER 2001  
REV. 1.2.0  
Meets output jitter requirement as specified by  
ETSI TBR24  
GENERAL DESCRIPTION  
The XRT71D03 is a three channel, single chip Jitter  
Attenuator, that meets the Jitter transfer characteris-  
tics requirements specified in the ETSI TBR-24,  
Bellcore GR-499 and GR-253 standards.  
Meets the Jitter and Wander specifications  
described in T1.105.03b,GR-253 and GR-499 stan-  
dards.  
Selectable buffer size of 16 and 32 bits  
Jitter attenuator can be disabled  
Available in a 64 pin LQFP package.  
Single 3.3V or 5.0V supply.  
In addition, the XRT71D03 also meets the Jitter and  
Wander specifications described in the ANSI  
T1.105.03b 1997, Bellcore GR-253 and GR-499 stan-  
dards.  
FEATURES  
Operates over - 40° C to 85° C temperature range.  
Meets the E3/DS3/STS-1 jitter requirements  
No external components required  
APPLICATIONS  
E3/DS3 Access Equipment.  
DSLAMs  
Compliant with jitter transfer template outlined in  
ITU G.751, G.752, G.755, GR-235-CORE, GR-  
499-CORE,1995 standards  
FIGURE 1. BLOCK DIAGRAM OF THE XRT71D03  
MCLK_n  
Timing Control Block  
Phase locked Loop  
STS1_n  
ICT  
DS3/E3_n  
DJA_n  
RRCLK_n  
Write Clock  
Read Clock  
RClk_n  
RRPOS_n  
RRNEG_n  
RClkES  
RPOS_n  
RNEG_n  
FSS  
16/32 Bit FIFO  
FL_n  
RRCLKES  
Channel 0  
Channel 1  
Channel 2  
MODE_CTRL  
HOST  
Reset  
Microprocessor Serial  
Interface  
XRT71D03  
n = 0, 1, 2  
CS  
SDI SDO SClk  
Exar Corporation 48720 Kato Road, Fremont CA, 94538 (510) 668-7000 FAX (510) 668-7017 www.exar.com  

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