The 24AA02 is backwards compatible, so you probably should be able to treat this device as a 24AA02, search the following datasheet for 24C02A. http://www.microchip.com/download/lit/pline/memory/ic/21052h.pdf If it doesn't work spend buy a AA chip, they are cheap cheap! Aaron -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body