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SN74AHC1G32: Open Drain Output

Part Number: SN74AHC1G32
Other Parts Discussed in Thread: SN74LVC1G07

Hi,

Is SN74AHC1G32 an open-drain output OR gate?  If not, do we have any open drain output OR gate?

Thanks!

Antony

  • Hi Antony,

    No, SN74AHC1G32 is not an open-drain output OR gate, and TI does not have any devices that meet that description.

    You can tell if a device is open-drain or not from the electrical characteristics table -- an open-drain device will not have a specified V_OH or source current (negative output currents).

    The best solution available today is to use a normal OR gate (such as the SN74AHC1G32) and add an open-drain buffer after it, such as the SN74LVC1G07.