“I must admit that I goofed this one up. I misplaced the piece of paper with the chip identification before uncapping this chip, as a consequence, this is a mystery chip labeled P3727 (on the die). I guess this one will have to be just another pretty face.”

Source: http://microblog.routed.net/2008/01/18/ic-friday-tis-mystery-p3727/

Package

Die