参数资料
型号: SM802128UMG TR
厂商: Micrel Inc
文件页数: 1/12页
文件大小: 0K
描述: IC FREQ SYNTH 156.25MHZ 44QFN
标准包装: 1,000
系列: ClockWorks™, RotaryWave™
类型: *
PLL: 带旁路
输入: LVCMOS,晶体
输出: LVPECL
电路数: 1
比率 - 输入:输出: 2:8
差分 - 输入:输出: 无/是
频率 - 最大: 312.5MHz
除法器/乘法器: 是/无
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: 44-VFQFN 裸露焊盘
供应商设备封装: 44-QFN(7x7)
包装: 带卷 (TR)
SM802128
ClockWorks
ΤΜ 10GbE Octal 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
January 2012
hbwhelp@micrel.com or (408) 955-1690
General Description
The SM802128 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
eight
LVPECL
output
clocks
at
156.25MHz or 312.5MHz. The SM802128 accepts a 25
MHz crystal or LVCMOS reference clock.
Data sheet and support documentation can be found on
Micrel’s web site at: www.micrel.com.
Features
Generates eight LVPECL clocks at 156.25MHz or
312.5MHz
2.5V or 3.3V operating range
Typical phase jitter @ 156.25MHz
(1.875MHz to 20MHz): 110fs with crystal reference
Industrial temperature range (–40°C to +85°C)
Green, RoHS, and PFOS compliant
Available in 44-pin 7mm × 7mm QFN package
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Block Diagram
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相关代理商/技术参数
参数描述
SM802133UMG 功能描述:时钟合成器/抖动清除器 1 LVPECL at 25 MHz Clock Synthesizer 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
SM802133UMG TR 功能描述:时钟合成器/抖动清除器 1 LVPECL at 25 MHz Clock Synthesizer 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
SM802134UMG 功能描述:时钟合成器/抖动清除器 1 LVDS at 100 MHz Clock Synthesizer 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
SM802134UMG TR 功能描述:时钟合成器/抖动清除器 1 LVDS at 100 MHz Clock Synthesizer 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
SM802140UMG 功能描述:时钟合成器/抖动清除器 4 LVDS at 644.53125 MHz Clock Synthesizer 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