id this chip?

[J. Eric Townsend]

Found this in my desk in my new cubicle.  I'm not a chip head, so I
have no clue as to the id of all sorts of obscure chip manus and
whatnot.  (I recognize hitachi, intel, motorola, that sort of thing,
duh. :-)

48pin

marked on top with the following text *only*.  No symbols, logos, etc:

CIPHER 1984
960430-004
8816 IP8073B


So, what do I win?  A free clipper phone?

-eric