參數(shù)資料
型號(hào)： SM802108UMG
廠商： MICREL INC
元件分類： 時(shí)鐘產(chǎn)生/分配
英文描述： 156.25 MHz, OTHER CLOCK GENERATOR, QCC24
封裝： 4 X 4 MM, GREEN, QFN-24
文件頁(yè)數(shù)： 1/11頁(yè)
文件大小： 457K
代理商： SM802108UMG
SM802108
ClockWorks
10GbE & GbE (156.25MHz,
125MHz) Ultra-Low Jitter, LVPECL
Frequency Synthesizer
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
January 2011
M9999-012111-A
hbwhelp@micrel.com or (408) 955-1690
General Description
The SM802108 is a member of the ClockWorks
family of
devices from Micrel and provides an extremely low-noise
timing solution for GbE and 10GbE Ethernet clock signals.
It is based upon a unique patented RotaryWave
architecture that provides very low phase noise.
The device operates from a 3.3V or 2.5V power supply
and synthesizes two LVPECL output clocks at 156.25MHz
and another two at 125MHz. The SM802108 accepts a 25
MHz crystal or LVCMOS reference clock.
Data sheets and support documentation can be found on
Micrel’s web site at: www.micrel.com.
Features
Generates two LVPECL clock outputs at 156.25MHz
and two LVPECL clock outputs at 125MHz
2.5V or 3.3V operating range
Typical phase jitter @ 156.25MHz
(1.875MHz to 20MHz): 110fs (typical) at 3.3V
Industrial temperature range
Green, RoHS, and PFOS compliant
Available in 24-pin 4mm × 4mm QFN package
Applications
10Gigabit Ethernet
Gigabit Ethernet
___________________________________________________________________________________________________________
Block Diagram
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SM802108UMG TR 功能描述:時(shí)鐘合成器/抖動(dòng)清除器 2 x 156.25MHz + 2 x 125MHz LVPECL RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel
SM802108UMGR 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:ClockWorks? 10GbE & GbE (156.25MHz, 125MHz) Ultra-Low Jitter, LVPECL Frequency Synthesizer
SM802109 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:ClockWorks? PCI-e Quad 100MHz Ultra-Low Jitter, HCSL Frequency Synthesizer
SM802109UMG 功能描述:時(shí)鐘合成器/抖動(dòng)清除器 4 x 100MHz LVPECL RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel
SM802109UMG TR 功能描述:時(shí)鐘合成器/抖動(dòng)清除器 5 x 100MHz LVPECL RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel
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