Re: Differences between 8501R1 and 8501R4

From: Frank Wolf <*webmaster_at_frank-wolf.org*> Date: Fri, 6 Dec 2019 08:15:48 +0100 Message-ID: <f855fa44-417d-ac3c-e8db-e38bb16cb99d_at_frank-wolf.org> · webmaster_at_frank-wolf.org

On 05/12/2019 23:49, smf wrote:
>
> Or they originally planned to use the same die for the 8500/8501 and
> make it a bond out option, but then realised they had to remove the i/o
> port bit for compatility.
>
Compatibility or just a lack of empty space for the gate in logic?

I'd be curious to see the 8502 die now... but I don't think it's worth 
any effort

to decap this one too.