参数资料
型号: SM802108UMG
厂商: Micrel Inc
文件页数: 1/11页
文件大小: 0K
描述: IC SYNTEHSIZER 156.25MHZ 24QFN
产品培训模块: High Bandwidth Product Overview
标准包装: 100
系列: ClockWorks™, RotaryWave™
类型: 时钟/频率合成器,多路复用器
PLL:
主要目的: 以太网
输入: LVCMOS,晶体
输出: LVPECL
电路数: 1
比率 - 输入:输出: 2:4
差分 - 输入:输出: 无/是
频率 - 最大: 156.25MHz
电源电压: 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
供应商设备封装: 24-QFN 裸露焊盘(4x4)
包装: 管件
其它名称: 576-3850
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
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Block Diagram
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SM802108UMG TR 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
SM802108UMGR 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
SM802109 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:ClockWorks? PCI-e Quad 100MHz Ultra-Low Jitter, HCSL Frequency Synthesizer
SM802109UMG 功能描述:时钟合成器/抖动清除器 4 x 100MHz 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
SM802109UMG TR 功能描述:时钟合成器/抖动清除器 5 x 100MHz 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