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- Posted on
- HCT vs LS..
November 5, 2005, 12:34 pm
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Re: HCT vs LS..
For all but the most critial aplication they should be compatible,
although usually it's the other way around. The HCT series is designed
to be a low power high speed CMOS replacement for the 74LS series, as
it has TTL compatible voltage levels, that's what the "T" stands for.
Best to get the same part if you can though, substituting parts may
work at first try, but unless you try it over the full performance
envelope you won't really know.
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