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參數資料
型號: SM802105UMG TR
廠商: Micrel Inc
文件頁數: 1/11頁
文件大?。?/td> 0K
描述: IC SYNTHESIZER 2CH 24-QFN
產品培訓模塊: High Bandwidth Product Overview
標準包裝: 1
系列: ClockWorks™, RotaryWave™
類型: 時鐘/頻率合成器,多路復用器
PLL:
主要目的: 以太網
輸入: LVCMOS,晶體
輸出: LVPECL
電路數: 1
比率 - 輸入:輸出: 2:2
差分 - 輸入:輸出: 無/是
頻率 - 最大: 312.5MHz
電源電壓: 2.375 V ~ 3.465 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 24-VFQFN 裸露焊盤
供應商設備封裝: 24-QFN(4x4)
包裝: 標準包裝
其它名稱: 576-3942-6
SM802105
ClockWorks
10GbE
(156.25MHz, 312.5MHz), 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
April 2011
M9999-042111-A
hbwhelp@micrel.com or (408) 955-1690
General Description
The SM802105 is a member of the ClockWorks
family of
devices from Micrel and provides an extremely low-noise
timing solution for 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 LVPECL output clocks at 156.25MHz or
312.5MHz. There are normally two clock outputs but one
output can be achieved by powering down the second
output with the OE pin. The SM802105 accepts a 25MHz
crystal or LVCMOS reference clock.
Data sheets and support documentation can be found on
Micrel’s web site at: www.micrel.com.
Features
Generates one or two LVPECL clock outputs at
156.25MHz or 312.5MHz
2.5V or 3.3V operating range
Typical phase jitter @ 156.25MHz
(1.875MHz to 20MHz): 110fs
Industrial temperature range
Green, RoHS, and PFOS compliant
Available in 24-pin 4mm × 4mm QFN package
Applications
10Gigabit Ethernet
Block Diagram
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相關代理商/技術參數
參數描述
SM802108 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
SM802108UMG 功能描述:時鐘合成器/抖動清除器 2 x 156.25MHz + 2 x 125MHz LVPECL RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數量: 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
SM802108UMG TR 功能描述:時鐘合成器/抖動清除器 2 x 156.25MHz + 2 x 125MHz LVPECL RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數量: 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
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