Problem with the 74HCT and 74ACT parts is that they're 5V logic only from what I have read (they're +5V with +/-0.5V supply), and 3.3V won't register as a logic "High".
If someone can point me to anything that says different, I'm happy to concede the point. This was based entirely on a 10 second Google search and looking at 2 spec sheets.
If someone can point me to anything that says different, I'm happy to concede the point. This was based entirely on a 10 second Google search and looking at 2 spec sheets.