AMD2901CDC chip available

From: Ethan Dicks <>
Date: Tue Dec 17 21:02:00 2002

--- Tony Duell <> wrote:
> > Seems high to me. BG Micro lists "AM2901"s at $1.50. They are on page
> > five of the current catalog under "miscellaneous" along with 2907s,
> > 2909s, 2910s, 2911s, 2964s and 29701s....
> Well, I recognise some of those numbers and associate them with the 2901
> ALU chip, which I assume is what we're discussing. In particular, the
> 2909, 2910, 2911 are all microcode sequencer chips from the same family.

I associate those numbers the same way as well, but I didn't want to
assert that it was the only interpretation.
> I believe the other chips are from the same family too, but as I've never
> used them I can't remember what they do.

I have never designed or constructed anything using any of that family,
but I have repaired a few things with them. In particular, I recognize
the 2910 as appearing on the Tandon SASI<->ST506 board in the Commodore
D9060 and D9090 drives. ISTR it's much like the 2901 but wider than 4
bits - kind of an integrated building block for those designers who are
more concerned with real estate than extracting every last feature the
2901 has to offer, i.e., a compact short-cut.

I do not recognize the others from vintage equipment I have.


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Received on Tue Dec 17 2002 - 21:02:00 GMT

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