ID UV erasable PROMS used on an IBM PC board?

Chuck Guzis cclist at
Wed Mar 23 10:27:11 CDT 2022

On 3/23/22 08:18, Christian Corti via cctalk wrote:
> On Wed, 23 Mar 2022, Chris Elmquist wrote:
>> More interesting.  If the programming algorithms remained the same then I
>> guess it is just an issue for the programming system--  when it auto-IDs,
>> it should display (and allow!) 27C256A instead of 27C256.

I think I first ran into this with the Seeq "Silicon Signature" PROMs.
In my case, I think they were 27128s.


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