This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

SN74AHCT1G125-Q1: state of Y when no Vcc

Part Number: SN74AHCT1G125-Q1


What state is expected for Y when Vcc is 0V? It should be one of Hi-Z, GND short, or Vcc short.


Oguri (TIJ automotive FAE)

  • Hello Oguri-san,

    The SN74AHCT1G125-Q1 has output diodes connected from Vcc to the output and from GND to the output.

    Here's an example showing the internal diode connections:

    Please let me know if this resolves your question by clicking the green "This resolved my issue" button, or respond if I can be of further assistance.