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SN74LV165A: whether the device SN74LV165A can stand input -1.52v for 2ns

Genius 10320 points

Replies: 3

Views: 675

Part Number: SN74LV165A

Hi team,

whether the device can stand input -1.52v for 2ns? Does it have risks? How we can decide the voltage and time can stand of the SN74LV165A? Thanks.

  • Hi Frank,

    It does have risks for this to happen. The abs max table of the datasheet gives more insight into this see below:

    If you go below the min input voltage the current needs to be monitored to stay under the input clamp current. Using a current limiting resistor, this can be resolved. 

    Check out our new AXC family of Voltage Translators! 

    Watch the Introduction to AXC Family to find out more about the family.

  • In reply to Dylan Hubbard:

    Hi Dylan,

    if we can limit the current lower than 20ma, whether it still have risks?

    thanks.
  • In reply to Frank Xiao:

    Hi Frank,

    I would limit it to 10 mA if you can, that way you don't stress the part as much. There's always risk to operating the parts near the absolute maximum spec. See note 1 in the image I sent before.

    Check out our new AXC family of Voltage Translators! 

    Watch the Introduction to AXC Family to find out more about the family.

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