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VSC8115YA-T PDF预览

VSC8115YA-T

更新时间: 2024-02-10 02:45:34
品牌 Logo 应用领域
美高森美 - MICROSEMI ATM异步传输模式电信光电二极管电信集成电路
页数 文件大小 规格书
13页 233K
描述
Clock Recovery Circuit, 1-Func, PDSO20, 4.40 X 6.50 MM, TSSOP-20

VSC8115YA-T 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-T 数据手册

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VSC8115  
Datasheet  
STS-12/STS-3 Multirate Clock and Data Recovery Unit  
FEATURES  
Low jitter, high-speed outputs support LVPECL  
and low-power LVDS  
Performs clock and data recovery for  
622.08 Mbps (STS-12/OC-12/STM-4) or  
155.52 Mbps (STS-3/OC-3/STM-1) NRZ data  
Low power: 188 mW typical  
3.3 V power supply  
19.44 MHz reference frequency LVTTL input  
Lock Detect output pin monitors data run length  
and frequency drift from reference clock  
20-pin TSSOP package  
Requires one external capacitor  
Data is retimed at the output  
PLL bypass operation facilitates board debug  
process  
Active HIGH Signal Detect LVPECL input  
GENERAL DESCRIPTION  
The VSC8115 functions as a clock and data recovery (CDR) unit for SONET/SDH-based equipment to derive high-  
speed timing signals. The VSC8115 recovers the clock from the scrambled non-return to zero (NRZ) data operating at  
622.08 Mbps (STS-12/OC-12/STM-4) or 155.52 Mbps (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 support LVDS and LVPECL  
signals to facilitate a low-jitter and low-power interface.  
VSC8115 Block Diagram  
Divider  
STS12  
CAP+  
CAP–  
Loop  
Filter  
VCO  
BYPASS  
LOCKDET  
DATAOUT  
Phase/  
Frequency  
Detector  
2
2
2
DATAIN  
SD  
LOCKREFN  
0
CLKOUT  
1
REFCLK  
G52272 Revision 4.4  
October 6, 2005  
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012  
Tel: (800) VITESSE • FAX: (805) 987-5896 • E-mail: prodinfo@vitesse.com  
Internet: www.vitesse.com  
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