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GilesGoat
February 8th, 2012, 12:50 AM
I have this chip, it's not very readable, there's an Atari logo and says 90-6001 185 C27805, not sure about that '6001' could be '6081'.

It's a 40 pin dip.

I believe this is similar to an NTE6800 CPU which I am not sure but I think it should be equivalent of a Motorola 6800 CPU.

Is that the case ? Is it just a Motorola 6800 ?

Trying to look for a datasheet, if it's a 6800 I have it.

Eudimorphodon
February 8th, 2012, 12:38 PM
Does it look like the one pictured here?

http://www.cpu-zone.com/6800.htm

Chuck(G)
February 8th, 2012, 02:03 PM
According to Datasheetarchive.com, it's a 6800 (http://www.datasheetarchive.com/90-6001+%28ATARI%29-datasheet.html)

GilesGoat
February 10th, 2012, 02:11 AM
Does it look like the one pictured here?

http://www.cpu-zone.com/6800.htm

No but I'll try to take a pic later, it's just standard black plastic 40 dip chip with an atari logo and the numbers.

Eudimorphodon
February 10th, 2012, 08:26 AM
According to various references Atari did apparently use the 6800 CPU in a number of old arcade games:

http://www.system16.com/hardware.php?id=758

Supposedly they used it in some pinball machine computers as well.