Thank you all guys , you're right. I forget to mention in the first=20 message that this eprom is from a Mattel Intelivision cartidge . What I=20 wanted to know it's the eprom type . Thanks Alan, I will check a=20 datasheet for 5380 to see if fits. Rgds.. "I am not sure that with the virtual world we are moving closer still to=20 happiness, because virtuality only gives possibilities virtually, while taking back the reference and the density of things, their meaning. It gives you everything, and subtly, surreptitiously it=20 takes everything away at the same time. It is a game of which one does not know the rule[s]" J.Baudrillard Em 01-02-2013 11:20, Bob Ammerman escreveu: > For what it is worh, "Activision" is a games company from about the time > frame this chip was made. They made game cartridges for the Atari 2600, f= or > example. It could have come from one of those. > > -- Bob Ammerman > RAm Systems > > -----Original Message----- > From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On Behalf = Of > alan.b.pearce@stfc.ac.uk > Sent: Friday, February 01, 2013 6:57 AM > To: piclist@mit.edu > Subject: RE: Tr:Fwd: [EE] Anybody knows this rom ? > >> Hi folks , Does anybody knows which chips is this ? Tks. > > Made by GTE, and I would guess the part number is 5380 (I have a feeling > several manufacturers made that part number) and I would suspect the Sxxx= x > is the mask number for the code that is in it. > > The 8325 on the bottom line will be the date code (25th week of 1985, whi= ch > would be about right for that chip I would guess), and all the lines in t= he > middle are probably the in-house part number for the company who ordered = it. > > -- > http://www.piclist.com PIC/SX FAQ & list archive View/change your members= hip > options at http://mailman.mit.edu/mailman/listinfo/piclist > --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .