SM802149UMG Просмотр технического описания (PDF) - Micrel

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производитель

SM802149UMG

156.25MHz/312.5MHz and 78.125MHz/156.25MHz LVDS Clock Synthesizer

Micrel 

SM802149

156.25MHz/312.5MHz and

78.125MHz/156.25MHz

LVDS Clock Synthesizer

ClockWorks™ Flex

General Description

The SM802149 is a member of the ClockWorks family of

devices from Micrel and provides an extremely low-noise

timing solution. It is based on a unique patented

ClockWorks Flex architecture that provides very low phase

noise.

The device operates from a 3.3V or 2.5V power supply

and synthesizes eight differential LVDS clocks, four at

156.25MHz and four at 3125MHz, or four at 78.125MHz

and four at 156.25MHz.

The SM802149 accepts a 26.04166MHz crystal or external

LVCMOS input.

Datasheets and support documentation are available on

Micrel’s web site at: www.micrel.com.

Features

• Generates eight differential LVDS clocks: either four at

156.25MHz and four at 312.5MHz, or four at 78.125MHz

and four at 156.25MHz

• 2.5V or 3.3V operating range

• Typical phase jitter (1.875MHz to 20MHz): 99fs

• Industrial temperature range

• Green, RoHS, and PFOS compliant

• Available in 44-pin 7mm × 7mm QFN package

Typical Application

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 1, 2013

Revision 1.1

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

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