Re: ROMs replacement

From: Spiro Trikaliotis <ml-cbmhackers_at_trikaliotis.net>
Date: Tue, 18 Sep 2012 17:22:46 +0200
Message-ID: <20120918152245.GS12722@trikaliotis.net>
Helo Segher,

* On Tue, Sep 18, 2012 at 12:44:48AM +0200 Segher Boessenkool wrote:

> >Thus, the data bus is not really tristate.
> 
> A MOS input does not sink any significant current.

A good point that I totally overlooked. Yes, with MOS, this setup should
be (almost?) equivalent to tristate. But academically, it still isn't. ;)

Having worked much with TTL, I tend to overrate this difference for (P-,
N-, C-)MOS.

Regards,
Spiro.

-- 
Spiro R. Trikaliotis
http://www.trikaliotis.net/

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Received on 2012-09-18 16:00:05

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