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LM339: Difference between propagation delay time and response time

Francis Jiang
Expert 3160 points
Part Number: LM339

Tool/software:

Hi Team,

Customer is asking what's the difference between propagation delay time and response time. Could you please help provide the definition of these two parameters? Thanks.

BRs,

Francis

  • +1
    Guru 316440 points

    There is no difference. These two specifications have exactly the same test conditions. 

  • +1
    TI__Guru 60016 points

    Hello Francis,

    Potatoe...Potado...as Clemens said...they are the same.

    They both mean the same thing. The delay from half of the input transient signal to half of the output signal. The "B" has a slightly faster response time due to the new design and new process.

    To head off the next question your customer will ask...we do not test prop delay in production and do not provide distribution data as it is not a specified parameter. If prop delay is critical, they should use a faster device so that variation across lots is not as critical.