Re: MAX Machine PLA equations

From: Francesco Messineo <>
Date: Sat, 6 Aug 2016 19:13:35 +0200
Message-ID: <>
On Sat, Aug 6, 2016 at 6:37 PM, Segher Boessenkool
<> 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.


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Received on 2016-08-06 18:00:37

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