RE: Cross to read a PROM?

From: Phil Morris <arcaderelics_at_irongiant.org.uk>
Date: Sun Feb 19 2006 - 09:22:06 EST

>It's not a prom but an FPLA from Signetics. If the securtity link that
>protects the reading of the fuse array is blown (which is usually the case
>in commercial products, you will be unable to read or duplicate it as the
>addressing of the fuse array will be scrambled for protection.

Interesting ............... my own research (a few days ago) revealed that
it's a PLD and doesn't have a security fuse so *can* be read. :)

Phil

>-----Original Message-----
>From: techtoolslist-bounces@flippers.com
>[mailto:techtoolslist-bounces@flippers.com]On Behalf Of joemagiera
>Sent: Sunday, February 19, 2006 7:35 AM
>To: Technical Tools Mail List
>Subject: RE: [Techtoolslist] Cross to read a PROM?
>
>
>Thanks for the couple of suggestions. I should have been more clear on my
>original question. I'm just trying to read the PROM (it is a PROM isn't
>it?) to verify against the MAME set that it's not corrupted. I'm using an
>EETools Top Max which is a pretty good device (although it can't do the
>2708's). In the past, Al Kossow's original PROM cross reference (now hosted
>on a few sites, but I usually pull it from mikesarcade.com) has always been
>able to stear me to a substitue PROM to be able to read it, but this one
>isn't listed.
>
>Joe
>
>-----Original Message-----
>From: techtoolslist-bounces@flippers.com
>[mailto:techtoolslist-bounces@flippers.com]On Behalf Of joemagiera
>Sent: Saturday, February 18, 2006 10:34 PM
>To: techtoolslist@flippers.com
>Subject: [Techtoolslist] Cross to read a PROM?
>
>I checked the usual PROM cross reference sites with no luck. Can anyone
>suggest a suitable cross refernces to read a Signetics N82S153N PROM?
>Thanks,
>
>Joe
>
>_______________________________________________
>Techtoolslist mailing list
>Techtoolslist@flippers.com
>http://seven.pairlist.net/mailman/listinfo/techtoolslist
>
>_______________________________________________
>Techtoolslist mailing list
>Techtoolslist@flippers.com
>http://seven.pairlist.net/mailman/listinfo/techtoolslist

Signature: Repairer of and collector of classic old arcade games - if you
know of anyone with old arcade games (such as Space Invaders, Galaxian,
Tempest, Asteroids, etc) please let me know.

_______________________________________________
Techtoolslist mailing list
Techtoolslist@flippers.com
http://seven.pairlist.net/mailman/listinfo/techtoolslist
Received on Sun Feb 19 09:19:39 2006

This archive was generated by hypermail 2.1.8 : Sun Feb 19 2006 - 11:50:00 EST