Datasheet > SM802124

SM802124

更新时间： 2024-11-21 07:17:11

品牌	Logo	应用领域
麦瑞 - MICREL		/
页数	文件大小	规格书
9页	242K
描述
ClockWorks? DUAL 125MHz Ultra-Low Jitter, CMOS Frequency Synthesizer

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SM802124 数据手册

SM802124

ClockWorks™ DUAL 125MHz

Ultra-Low Jitter, CMOS

Frequency Synthesizer

General Description

Features

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.

• 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)

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.

• Industrial temperature range (–40°C to +85°C)

• Green, RoHS, and PFOS compliant

• Available in 24-pin 4mm × 4mm QFN package

Data sheets and support documentation can be found on

Micrel’s web site at: www.micrel.com.

Applications

• Gigabit Ethernet

Block Diagram

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

M9999-101311-B

hbwhelp@micrel.com or (408) 955-1690

September 2011

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型号	品牌	获取价格	描述	数据表
SM802124UMG	MICREL	获取价格	ClockWorks? DUAL 125MHz Ultra-Low Jitter, CMOS Frequency Synthesizer
SM802124UMGTR	MICREL	获取价格	ClockWorks? DUAL 125MHz Ultra-Low Jitter, CMOS Frequency Synthesizer
SM802124UMG-TR	MICROCHIP	获取价格	IC SYNTHESIZER 125MHZ DUAL 24QFN
SM802128	MICREL	获取价格	ClockWorksΤΜ 10GbE Octal 156.25MHz,312.5MHz,
SM802128UMG	MICREL	获取价格	ClockWorksΤΜ 10GbE Octal 156.25MHz,312.5MHz,
SM802128UMGTR	MICREL	获取价格	ClockWorksΤΜ 10GbE Octal 156.25MHz,312.5MHz,
SM802134UMG	MICROCHIP	获取价格	SM802134UMG
SM802141	MICREL	获取价格	Ultra-Low Jitter, LVPECL Frequency
SM802141UMG	MICREL	获取价格	Ultra-Low Jitter, LVPECL Frequency
SM802141UMGTR	MICREL	获取价格	Ultra-Low Jitter, LVPECL Frequency