参数资料
型号: SM802101UMG
厂商: Micrel Inc
文件页数: 1/13页
文件大小: 0K
描述: IC SYNTHESIZER 100/200MHZ 44QFN
标准包装: 260
系列: ClockWorks™, RotaryWave™
类型: *
PLL: 带旁路
输入: LVCMOS,晶体
输出: HCSL
电路数: 1
比率 - 输入:输出: 2:8
差分 - 输入:输出: 无/是
频率 - 最大: 200MHz
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: 托盘
其它名称: 576-3976
SM802101
ClockWorks
PCI-e Octal 100MHz/200MHz
Ultra-Low Jitter, HCSL Frequency
Synthesizer
ClockWorks is a trademark of Micrel, 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
March 27, 2013
Revision 1.3
hbwhelp@micrel.com or (408) 955-1690
General Description
The SM802101 is a member of the ClockWorks
family of
devices from Micrel and provides an extremely low-noise
timing solution for PCI-Express clock signals. It is based
upon a unique patented architecture that provides very-low
phase noise.
The device operates from a 3.3V or 2.5V power supply
and synthesizes eight HCSL output clocks at 100MHz or
200MHz. The SM802101 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.
ClockWorks
Features
Generates eight HCSL clock outputs at 100MHz or
200MHz
2.5V or 3.3V operating range
Typical phase jitter @ 100MHz
(1.875MHz to 20MHz): 105fs
Industrial temperature range (–40°C to +85°C)
Green, RoHS, and PFOS compliant
Available in 44-pin 7mm × 7mm QFN package
Applications
PCI-Express
Block Diagram
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