Re: MAX Machine PLA equations

From: Francesco Messineo <*francesco.messineo_at_gmail.com*> Date: Sat, 6 Aug 2016 19:13:35 +0200 Message-ID: <CAESs-_w6Dg159vFR0Ne=YQaRhABQMcoj8B2v32w2=Ydo+ONN_w@mail.gmail.com> · francesco.messineo_at_gmail.com

On Sat, Aug 6, 2016 at 6:37 PM, Segher Boessenkool
<segher@kernel.crashing.org> wrote:
>
>
>

>
> If nothing drives an address line it will hold its value for a value,
> and eventually drop to 0.  There is nothing that would pull the line
> one way or the other as far as I can see.

afair, TTL (and NMOS too) floating inputs always go to "1".
Back in the pre-CMOS era, it was considered "normal" cost saving to
left TTL inputs floating
to make a logic "1" on them.

F

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