Is it a 40-pin DIP package? OTP/EPROM version of an 8051.
http://developer.intel.com/design/mcs51/cf_51.htm
From: Stan Barr <stanb(a)dial.pipex.com>
While looking for some op-amp chips earlier I came
across a
couple of 8751s (labelled Intel '80). A quick google search
failed to turn up a data sheet, anyone any ideas where I can
look?
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