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SN74HC14: SN74HC14DR performance problem

Part Number: SN74HC14

Hi

Whether the 3-pin level is high or low, the 4-pin output is always low.

Could you please help confirm what caused it

Please refer to the above documents for detailed adverse conditions

thank you

Fail information list_.doc

  • Hi Emily,

    Your first two pictures didn't render properly. Could you please post them again?

    Also just to clarify you are giving 5V to the power supply? What voltage levels are you applying to the inputs? Where does the output signal (A_OFF_ in the circuit diagram in your document) route to?

    Best,

    Malcolm