oldest chips I found.

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iguana



Joined: 24 Apr 2007
Posts: 2456
Location: Ottawa, Canada

PostPosted: Fri Nov 09, 2007 12:35 pm    Post subject: oldest chips I found. Reply with quote

I am feeling like lucky dog, but do not know exactly why Smile
I found some very old chips today at local flea market.
But I can"t to recognize them with the exception of EPROMs.
Help me, and don not disappoint my hopes please:)

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Elar



Joined: 16 Jul 2003
Posts: 746
Location: Tallinn, Estonia

PostPosted: Fri Nov 09, 2007 12:57 pm    Post subject: Reply with quote

SMC COM2502 - UART
SMC COM2601 - USRT
TR1602A - UART
Fujitsu MB8264-15 - 64Kb DRAM 150ns

DEC chips discussed here:
http://www.cpu-world.com/forum/viewtopic.php?p=49425
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isa-d



Joined: 16 Aug 2006
Posts: 2984
Location: Italy

PostPosted: Fri Nov 09, 2007 1:17 pm    Post subject: Reply with quote

Purple Eprom is an Electronic Arrays
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Elar



Joined: 16 Jul 2003
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Location: Tallinn, Estonia

PostPosted: Fri Nov 09, 2007 1:27 pm    Post subject: Reply with quote

CM401 and CM7612 are bulgarian chips, but I have no data on these.
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iguana



Joined: 24 Apr 2007
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PostPosted: Fri Nov 09, 2007 1:34 pm    Post subject: Reply with quote

and what about DECs?
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iguana



Joined: 24 Apr 2007
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PostPosted: Fri Nov 09, 2007 1:35 pm    Post subject: Reply with quote

MM2708Q
Is it National Semi ?

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Elar



Joined: 16 Jul 2003
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PostPosted: Fri Nov 09, 2007 1:37 pm    Post subject: Reply with quote

iguana_kiev wrote:
MM2708Q
Is it National Semi ?


Yes, old NS logo
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Elar



Joined: 16 Jul 2003
Posts: 746
Location: Tallinn, Estonia

PostPosted: Fri Nov 09, 2007 1:39 pm    Post subject: Reply with quote

iguana_kiev wrote:
and what about DECs?


They are part of LSI-11. Link is couple posts above.
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iguana



Joined: 24 Apr 2007
Posts: 2456
Location: Ottawa, Canada

PostPosted: Fri Nov 09, 2007 1:57 pm    Post subject: Reply with quote

Elar wrote:
iguana_kiev wrote:
and what about DECs?


They are part of LSI-11. Link is couple posts above.


oops Smile
thanks

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