Re: MOS8520R4 - 1988 vs. 1991

From: silverdr_at_wfmh.org.pl
Date: Wed, 29 Jan 2020 14:25:51 +0100
Message-Id: <090DB1F3-92F6-4347-83E4-A7CC32BE8387_at_wfmh.org.pl>
> On 2020-01-29, at 12:37, Frank Wolf <webmaster_at_frank-wolf.org> wrote:
> 
> No... circuit seems to be identical.
> 
> Though they changed the masks which was expensive they didn't want to
> introduce new part numbers.

No, but the revision would be expected to change, wouldn't it? It looks like a negligence to me. Might even be deliberate like with 8521s labeled as 6526s.

-- 
SD! 
Received on 2020-05-30 00:28:49

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