Hello Jasen,
That is not enough at 5V VCC.
Regards, Joerg
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18 years ago
74hc04 datasheet
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18 years ago
minimum is the lowest that's guaranteed to work with all chips (from that supplier) and in all conditions.
typical is what voltage is enough to work usually.
As long as your 3.3V signal goes all the way to 3.3 you should be fine...
-- Bye. Jasen