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参数资料
| 型号： | SM802105UMG |
| 厂商： | MICREL INC |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | 312.5 MHz, OTHER CLOCK GENERATOR, QCC24 |
| 封装： | 4 X 4 MM, GREEN, QFN-24 |
| 文件页数： | 1/11页 |
| 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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相关代理商/技术参数 |
参数描述 |
|---|---|
| SM802105UMG TR | 功能描述:时钟合成器/抖动清除器 156.25/312.5MHz 10GbE, 2 x LVPECL Clock Syn RoHS:否 制造商:Skyworks Solutions, Inc. 输出端数量: 输出电平: 最大输出频率: 输入电平: 最大输入频率:6.1 GHz 电源电压-最大:3.3 V 电源电压-最小:2.7 V 封装 / 箱体:TSSOP-28 封装:Reel |
| SM802105UMGR | 制造商:MICREL 制造商全称: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?? 包装:剪切带（CT） 零件状态:停产 PLL:是 主要用途:以太网 输入:LVCMOS，晶体 输出:LVPECL 电路数:1 比率 - 输入:输出:2:2 差分 - 输入:输出:无/是 频率 - 最大值:312.5MHz 电压 - 电源:2.375 V ~ 3.465 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:24-VFQFN 裸露焊盘 供应商器件封装:24-QFN（4x4） 标准包装:1 |
| SM802108 | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:ClockWorks? 10GbE & GbE (156.25MHz, 125MHz) Ultra-Low Jitter, LVPECL Frequency Synthesizer |
| SM802108UMG | 功能描述:时钟合成器/抖动清除器 2 x 156.25MHz + 2 x 125MHz LVPECL RoHS:否 制造商:Skyworks Solutions, Inc. 输出端数量: 输出电平: 最大输出频率: 输入电平: 最大输入频率:6.1 GHz 电源电压-最大:3.3 V 电源电压-最小:2.7 V 封装 / 箱体:TSSOP-28 封装:Reel |
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