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[TMS320DM8148] Confirm the Transition Time definition

Kaka
Guru 24520 points

Hi community member,

Please let me confirm the following question.
[Question.1]
Regarding to the DM8148 datasheet, the maximum Transition time is defined as 10ns.

Why did you define this specification? 

 I know that you explain this specification is  "Maintaining transition times as fast as possible is recommended to improve noise immunity on input signals." on datasheet.  But I would like to know the background.

[Question.2]
Is there a potential to be broken the DM8148 by not meeting this specification?

If you have any questions, please let me know.

Best regards.

Kaka

  • 0
    TI__Guru**** 170625 points

    Hi Kato,

    Kato Motoki said:

    Regarding to the DM8148 datasheet, the maximum Transition time is defined as 10ns.

    Why did you define this specification? 

     I know that you explain this specification is  "Maintaining transition times as fast as possible is recommended to improve noise immunity on input signals." on datasheet.  But I would like to know the background.

    I think the background of this value should be some noise issues detected, which are not observed when t(t) is 10ns or less.

    Kato Motoki said:
    Is there a potential to be broken the DM8148 by not meeting this specification?

    By not meeting this spec, you might have noise and/or electrical issues on the input signals.

    Regards,
    Pavel

  • 0 in reply to Pavel Botev
    Guru 24520 points
    Hi Pavel,

    Thank you for your response.
    I understand that this specification is for noise issues.
    And even though not meeting this spec, the device will not be broken.

    Is my understanding correct?

    Best regards.
    Kaka
  • 0 in reply to Kaka
    TI__Guru**** 170625 points
    It might not work properly but I think it will not be broken/damaged.

    BR
    Pavel
  • 0 in reply to Pavel Botev
    Guru 24520 points
    Hi Pavel,

    Thank you for your comments.
    My concern is cleared.

    Best regards.
    Kaka