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參數資料
| 型號： | SM802105UMG |
| 廠商： | MICREL INC |
| 元件分類： | 時鐘產生/分配 |
| 英文描述： | 312.5 MHz, OTHER CLOCK GENERATOR, QCC24 |
| 封裝： | 4 X 4 MM, GREEN, QFN-24 |
| 文件頁數： | 1/11頁 |
| 文件大小： | 316K |
| 代理商： | SM802105UMG |
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 |
|---|---|
| SM802105UMG TR | 功能描述:時鐘合成器/抖動清除器 156.25/312.5MHz 10GbE, 2 x LVPECL Clock Syn 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 |
| SM802105UMGR | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:ClockWork 10GbE (156.25MHz, 312.5MHz), Ultra-Low Jitter, LVPECL Frequency Synthesizer |
| SM802105UMG-TR | 功能描述:IC SYNTHESIZER 2CH 24-QFN 制造商:microchip technology 系列:ClockWorks??，RotaryWave?? 包裝:剪切帶（CT） 零件狀態:停產 PLL:是 主要用途: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 - 最大值:312.5MHz 電壓 - 電源: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 供應商器件封裝:24-QFN（4x4） 標準包裝:1 |
| 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 |
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