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SN74AHCT14 / Overvoltage-tolerant input

Guru 29030 points
Other Parts Discussed in Thread: SN74AHCT14


I have 2 questions about SN74AHCT14/AHCT family.

(1) Is it possible to input 5.5V when Vcc is power down(Vcc=0V)?

(2) Do AHCT families have 5V tolerant input?

I think AHC/AHCT have the function, but there is no description in the TI web site below.

I need to answer my customer as soon as possible, so your help would be appreciated.

Best Regards,