Re: 6522 vs 6526 (was Re: 6502 to 8501: new details)

From: Ethan Dicks (
Date: 2002-02-25 19:59:02

--- Richard Atkinson <> wrote:
> On Mon, 25 Feb 2002, Ethan Dicks wrote:
> > Since the 6522 was made by multiple vendors (Rockwell, MOS, Synertek,
> > UMC...), I would think that it's a "safer" chip to use.  The 6526, while
> > millions were made, was strictly a Commodore/MOS product, right?
> OTOH with the 6526 you're sure of getting one of Commodore's NMOS
> processes, whereas with the others you don't know what you're getting.
> Possibly even CMOS in some cases!

I do have a pair of 65C22s.  I know because they are labelled.  I didn't
want to throw them into an AIM-65.  Wasn't sure where I got them, but they
look brand-new.


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