Re: pin driver difference between early/later VIC-II?

From: Francesco Messineo <*francesco.messineo_at_gmail.com*> Date: Thu, 4 Mar 2021 16:30:04 +0100 Message-ID: <CAESs-_xNNr1wK6kMO8CAj3eE9mpX0M9Fz5GknkojYpV1BKN36Q_at_mail.gmail.com> · francesco.messineo_at_gmail.com

On Thu, Mar 4, 2021 at 4:15 PM Frank Wolf <webmaster_at_frank-wolf.org> wrote:
>
> I will eventually decap a 6569R9... but please don't expect that to
> happen anytime soon.

I thought 6569 ended with R5?
That's the last I have ever seen anyway

>
> On 04.03.2021 15:05, Michiel Boland wrote:
> >
> > There appears to be some kind of delay circuit, using chains of
> > inverters, in the VIC-II for the luma output, maybe that changed
> > between R56A and newer versions. It could be interesting to compare
> > die shots, if there are any. I haven't found any decent quality die
> > shots for any 6567 revision, though.
> >
>
>