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LMKDB1120: LMKDB1120Z85NPPR spec question

Janet Lin
Intellectual 1500 points
Part Number: LMKDB1120

Tool/software:

Hi E2E,

Could you kindly help to check the question from customer as below? I also loop customer in.

What is the function of this pin? And what situation we need to enable it.

BR,

Janet

  • 0
    TI__Mastermind 29062 points

    Hello Janet, 
    This is "Loss of Signal". 
    This pin is high when a valid input clock is present or goes low when the input is lost. 
    You use this pin in any situation where you need to determine if the clock is valid. This could go to your FPGA or MCU for monitoring to see if the line ever goes low. 
    Or you can just it as a visual indicator - with an LED. 

    Best regards, 

    Vicente