Difference 23512 and 27512 Eprom

From: Ethan Dicks <dickset_at_amanda.spole.gov>
Date: Fri Oct 22 14:59:53 2004

On Fri, Oct 22, 2004 at 10:15:29AM -0700, Dwight K. Elvey wrote:
> Hi Tony
> I think you are right about the 23xxx being mask versions.

That is my experience with Commodore ROMs - 23xxx are mask-
programmable, and 25xx and 27xx are various varieties of
EPROMs (sometimes pin-compatible, frequently not).

-ethan

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Received on Fri Oct 22 2004 - 14:59:53 BST

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