SM802116UMG 데이터 시트보기 (PDF) - Micrel

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SM802116UMG

ClockWorks™ Fibre Channel (106.25MHz, 212.5MHz) Ultra-Low Jitter, LVDS Frequency Synthesizer

Micrel 

Micrel, Inc.

Application Information

Input Reference

When operating with a crystal input reference, do not

apply a switching signal to REF_IN.

Crystal Layout

Keep the layers under the crystal as open as possible

and do not place switching signals or noisy supplies

under the crystal.

Crystal load capacitance is built inside the die so no

external capacitance is needed. See the Selecting a

Quartz crystal for the Clockworks Flex I Family of

Precision Synthesizers application note for further

details.

Contact Micrel’s HBW applications group if you need

assistance on selecting a suitable crystal for your

application at hbwhelp@micrel.com.

LVDS Outputs

LVDS outputs are to be terminated with 100Ω across Q

and /Q. For best performance load all outputs. You can

DC or AC-couple the outputs.

SM802116

July 2011

7

M9999-071811-A

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

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