On 2013-09-05 15:34, William Couture wrote:
> Quick question:  in a 74??? part, what is the difference between a
> 74HC??? and a 74HCT???

Does the Wikipedia page help?

http://en.wikipedia.org/wiki/7400_series
http://en.wikipedia.org/wiki/Logic_family#HC_logic

Second one is not so clearly edited, but I used these to answer the same=20
question a few weeks ago.

David
--=20
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