SM802109UMGTR PDF预览

SM802109UMGTR

更新时间: 2025-07-19 09:22:11
品牌 Logo 应用领域
麦瑞 - MICREL PC
页数 文件大小 规格书
11页 381K
描述
ClockWorks? PCI-e Quad 100MHz Ultra-Low Jitter, HCSL Frequency Synthesizer

SM802109UMGTR 数据手册

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SM802109  
ClockWorksPCI-e Quad 100MHz  
Ultra-Low Jitter, HCSL  
Frequency Synthesizer  
General Description  
Features  
The SM802109 is a member of the ClockWorksfamily of  
devices from Micrel and provides an extremely low-noise  
timing solution for PCI-Express clock signals. It is based  
on a unique patented RotaryWave® architecture that  
provides very-low phase noise.  
Generates four HCSL clock outputs at 100MHz  
2.5V or 3.3V operating range  
Typical phase jitter @ 100MHz  
(1.875MHz to 20MHz): 105fs  
Industrial temperature range (–40°C to +85°C)  
Green, RoHS, and PFOS compliant  
Available in 24-pin 4mm × 4mm QFN package  
The device operates from a 3.3V or 2.5V power supply  
and synthesizes four HCSL output clocks at 100MHz. The  
SM802109 accepts  
reference clock.  
a
25MHz crystal or LVCMOS  
Data sheets and support documentation can be found on  
Micrel’s web site at: www.micrel.com.  
Applications  
PCI-Express  
Block Diagram  
ClockWorks is a trademark of Micrel, Inc  
RotaryWave is a registered trademark of Multigig, Inc.  
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com  
M9999-092911-B  
September 2011  
hbwhelp@micrel.com or (408) 955-1690  

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