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XRT91L33IG-F PDF预览

XRT91L33IG-F

更新时间: 2024-01-21 04:33:54
品牌 Logo 应用领域
艾科嘉 - EXAR ATM集成电路SONET集成电路SDH集成电路电信集成电路电信电路光电二极管异步传输模式时钟
页数 文件大小 规格书
16页 240K
描述
STS-12/STS-3 MULTIRATE CLOCK AND DATA RECOVERY UNIT

XRT91L33IG-F 技术参数

是否Rohs认证: 符合生命周期:Active
包装说明:TSSOP,Reach Compliance Code:compliant
HTS代码:8542.39.00.01风险等级:1.76
JESD-30 代码:R-PDSO-G20JESD-609代码:e3
长度:6.5 mm湿度敏感等级:1
功能数量:1端子数量:20
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:TSSOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:1.2 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:Matte Tin (Sn)
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:40
Base Number Matches:1

XRT91L33IG-F 数据手册

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XRT91L33  
STS-12/STS-3 MULTIRATE CLOCK AND DATA RECOVERY UNIT  
AUG 2008  
REV. V1.0.0  
FEATURES  
APPLICATIONS  
Performs clock and data recovery for selectable  
data of 622.08 Mbps (STS-12/STM-4) or 155.52  
Mbps (STS-3/STM-1) NRZ data  
SONET/SDH-based Transmission Systems  
Add/Drop Multiplexers  
Meets Telcordia, ANSI and ITU-T G.783 and G.825  
SDH jitter requirements including T1.105.03 - 2002  
SONET Jitter Tolerance specification, and GR-253  
CORE, GR-253 ILR SONET Jitter specifications.  
Cross Connect Equipment  
ATM and Multi-Service Switches, Routers and  
Switch/Routers  
Lock output pin monitors data run length and  
frequency drift from reference clock  
DSLAMS  
SONET/SDH Test Equipment  
DWDM Termination Equipment  
Data is resampled at the output  
Active High Signal Detect (SIGD) LVPECL input  
Low jitter, high-speed outputs support LVPECL and  
low-power LVDS termination  
GENERAL DESCRIPTION  
19.44 MHz reference frequency LVTTL input  
Low power: 215 mW typical  
3.3V power supply  
The XRT91L33 is a fully integrated multirate Clock  
and Data Recovery (CDR) device for SONET/SDH  
622.08 Mbps STS-12/STM-4 or 155.52 Mbps STS-3/  
STM-1 applications. The device provides Clock and  
Data Recovery (CDR) function by synchronizing its  
on-chip Voltage Controlled Oscillator (VCO) to the  
incoming serial scrambled non-return to zero (NRZ)  
data stream. Figure 1 shows the block diagram of  
the XRT91L33.  
20-pin TSSOP package  
Requires one external capacitor  
PLL bypass operation facilitates board debug  
process  
ESD greater than 2kV on all pins  
FIGURE 1. BLOCK DIAGRAM OF XRT91L33  
STS12_MODE  
REFCK  
19.44 MHz  
CAP+  
1u F  
PLL  
RX LOOP  
FILTER  
CAP+  
TEST  
LVDS/LVPECL  
Output Drivers  
Differential  
Receiver  
RXDIP  
RECVD-  
DATAOUT  
RXDOP  
0
RXDATAIN  
CDR  
RXDIN  
RXDON  
STS-12/3  
1
Internal  
biasing  
or  
STM-4/1  
Clock and Data  
Recovery  
External  
100R  
termination  
RECVD-  
CLKOUT  
RXCLKOP  
RXCLKON  
LOCK  
LCKTOREFN  
SIGD  
MUTE  
RXDO  
Exar Corporation 48720 Kato Road, Fremont CA, 94538 (510) 668-7000 FAX (510) 668-7017 www.exar.com  

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