參數(shù)資料
型號: SM802124UMG
廠商: Micrel Inc
文件頁數(shù): 1/9頁
文件大?。?/td> 0K
描述: IC SYNTHESIZER 125MHZ DUAL 24QFN
特色產(chǎn)品: SM802124 Synthesizer
標(biāo)準(zhǔn)包裝: 100
系列: ClockWorks™, RotaryWave™
類型: *
PLL: 帶旁路
輸入: LVCMOS
輸出: CMOS
電路數(shù): 1
比率 - 輸入:輸出: 1:2
差分 - 輸入:輸出: 無/是
頻率 - 最大: 125MHz
除法器/乘法器: 是/無
電源電壓: 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(yīng)商設(shè)備封裝: 24-QFN(4x4)
包裝: 管件
其它名稱: 576-3999
SM802124
ClockWorks
DUAL 125MHz
Ultra-Low Jitter, CMOS
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
September 2011
M9999-101311-B
hbwhelp@micrel.com or (408) 955-1690
General Description
The SM802124 is a member of the ClockWorks
family of
devices from Micrel and provides an extremely low-noise
timing solution for 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 CMOS output clocks at 125MHz from
a 15MHz LVCMOS reference clock.
Data sheets and support documentation can be found on
Micrel’s web site at:
HU
www.micrel.com
UH
.
Features
Generates two LVCMOS clock outputs at 125MHz
2.5V or 3.3V operating range
Typical rms phase jitter @ 125MHz
1.875MHz to 20MHz : 85fs
(Input source dependent)
Industrial temperature range (–40°C to +85°C)
Green, RoHS, and PFOS compliant
Available in 24-pin 4mm × 4mm QFN package
Applications
Gigabit Ethernet
Block Diagram
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