Re: VIC-42

From: Francesco Messineo <>
Date: Mon, 21 Jun 2021 12:17:58 +0200
Message-ID: <>
On Mon, Jun 21, 2021 at 12:13 PM MichaƂ Pleban <> wrote:
> smf wrote:
> > Right, you can easily compare it to other chips that have been
> > previously decapped. But I don't think the 1541 gate array has been
> > decapped and the 1542 gate array could look entirely different.
> Do we actually know what the 1542 was supposed to be? From the "Secret
> Weapons" website it seems to me that it was just a 1541 in a charcoal
> case, in which case it's not likely it would need a different gate array?
> > It could just be a mask rom.
> In DIP40 packaging?

there're quite a few 16 bit ROMs (as in 16 bit data bus) in dip-40 packages.
But I agree, not something that was particularly common in 1983.
My feeling is that VIC-42 IC is a particularly well done fake, MOS
never used something
else than the usual numbers on ICs.

Frank IZ8DWF
Received on 2021-06-21 13:01:02

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