What is difference between deskew PLL and nomal PLL ?

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deskew pll

Is there anything special to consider when design deskew PLL?

 

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pll deskew

Is there anything special to consider when design deskew PLL?

deskew PLL is used in clock recovery or in application where output clock should be synchronous with the input clock, no matter what kind of loading of the output clocks encountered.
normal PLL is used as clock synthesizer or frequency multiplier