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TXB0108: Is there any limitation of OE signal rising/falling rate?

Kazuya Nakai59
Guru 21545 points
Part Number: TXB0108

 Hello guys,

 One of my customers is evaluating TXB0108. They have a question as the follow.

 Ques: Is there any Min/Max limitation of OE signal rising/falling rate? Is it a problem if OE signal rising/falling rate is 10us/V or 100us/V?

 Your reply would be much appreciated.

 Best regards,

 Kazuya Nakai.

  • 0
    TI__Genius 16735 points

    Hey Kazuya,

    There is a max limitation to the input transition rate. This can be found in the recommended operating conditions section of the datasheet as shown below.

    The input must be at least 30ns/V if not faster for operating range of 4.5 to 5.5 V. This means that the 10us/V will be a problem.

    Here are a couple of app notes to know more about slow inputs. You might want to use a device that has Schmitt trigger functionality.

    Thanks!

    - Karan