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SN74LVC1G04: Overloading current output for 5ns, is this acceptable for stable operation?

Robbert Groen
Prodigy 10 points
Part Number: SN74LVC1G04

I have used a SN74LVC1G04 inverter to drive a small MOSFET through a resistor of 56Ohm. The peak current becomes 43mA for lees than 5ns, after which it drops within the limits defined in the datasheet. Which is 32mA.

Do I have to be concerned the device has a reduced lifespan or might lock up?

  • 0
    Guru 259890 points

    The absolute maximum rating is 50 mA, so the device will not be damaged.

    A higher output current cannot lead to a latchup. Exceeding the recommended operating condition means that the electrical characteristics are no longer guaranteed, i.e., the output voltage might be lower. But this does not matter for your application.