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SM802109

Part Number	SM802109
Manufacturer	Micrel Semiconductor
Description	HCSL Frequency Synthesizer
Published	Dec 11, 2011
Detailed Description	www.DataSheet.co.kr SM802109 ClockWorks™ PCI-e Quad 100MHz Ultra-Low Jitter, HCSL Frequency Synthesizer General Descri...
Datasheet	SM802109 PDF File

Overview

www.
DataSheet.
co.
kr SM802109 ClockWorks™ PCI-e Quad 100MHz Ultra-Low Jitter, HCSL Frequency Synthesizer General Description The SM802109 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 on 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 four HCSL output clocks at 100MHz.
The SM802109 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.
Features • Generates four HCSL clock outputs at 100MHz • 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 24-pin 4mm × 4mm QFN package Applications • PCI-Express Block Diagram ClockWorks is a trademark of Micrel, Inc Rotary...

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