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VSC8115YA PDF预览

VSC8115YA

更新时间: 2024-02-22 09:24:23
品牌 Logo 应用领域
VITESSE 时钟
页数 文件大小 规格书
12页 410K
描述
STS-12/STS-3 Multi Rate Clock and Data Recovery Unit

VSC8115YA 技术参数

生命周期:Obsolete包装说明:TSSOP,
Reach Compliance Code:compliantHTS代码:8542.39.00.01
风险等级:5.26JESD-30 代码:R-PDSO-G20
长度:6.5 mm功能数量:1
端子数量:20最高工作温度:70 °C
最低工作温度:封装主体材料:PLASTIC/EPOXY
封装代码:TSSOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH认证状态:Not Qualified
座面最大高度:1.1 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 CLOCK RECOVERY CIRCUIT
温度等级:COMMERCIAL端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
宽度:4.4 mmBase Number Matches:1

VSC8115YA 数据手册

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VITESSE  
SEMICONDUCTOR CORPORATION  
Target Specification  
STS-12/STS-3 Multi Rate  
Clock and Data Recovery Unit  
VSC8115  
Features  
• Performs clock and data recovery for  
622.08Mb/s (STS-12/OC-12/STM-4) or  
• Low-jitter high speed outputs can be configured  
as either LVPECL or low power LVDS  
155.52Mb/s (STS-3/OC-3/STM-1) NRZ data  
• Low power - 0.188 Watts Typical Power  
• Meets Bellcore, ITU and ANSI Specifications  
for Jitter Performance  
• +3.3V Power Supply  
• 19.44MHz reference frequency LVTTL Input  
• 20 Pin TSSOP Package  
• Lock Detect output pin monitors data run length  
and frequency drift from the reference clock  
• Requires One External Capacitor  
• PLL bypass operation facilitates the board  
debug process  
• Data is Retimed at the Output  
• Active High Signal Detect LVPECL Input  
General Des cription  
The VSC8115 functions as a clock and data recovery unit for SONET/SDH-based equipment to derive high  
speed timing signals. The VSC8115 recovers the clock from the scrambled NRZ data operating at 622.08Mb/s  
(STS-12/OC-12/STM-4) or 155.52Mb/s (STS-3/OC-3/STM-1). After the clock is recovered, the data is retimed  
using an output flip-flop. Both recovered clock and retimed data outputs can be configured as LVDS or  
LVPECL signals to facilitate a low-jitter and low power interface.  
VSC8115 Block Diagram  
STS12  
Divider  
CAP-  
CAP+  
VCO  
Phase/  
Freq  
BYPASS  
Loop Filter  
LOCKDET  
2
2
DATAIN+/-  
DATAOUT+/-  
Detector  
SD  
LOCKREFN  
0
1
2
CLKOUT+/-±  
REFCLK  
G52272-0, Rev. 1.1  
9/29/00  
Ó VITESSE SEMICONDUCTOR CORPORATION  
741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: 805/987-5896  
Page 1  

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