TRAC ADDENDUM TO SUPPLEMENT NO. 11 TO
SEMICONDUCTOR TECHNOLOGY LICENSE AGREEMENT
This Addendum to Supplement No. 11 to the parties Semiconductor Technology License Agreement (the
"Addendum") is entered into as of the date last entered below by and between Rambus Inc., a California
corporation with a principal place of business at 2465 Latham Street, Mountain View, California 94040 U.S.A.
("Rambus") and NEC Corporation, a Japanese corporation with a principal place of business at 7-1, Shiba 5-
chome, Minato-ku, Tokyo 108-01, Japan ("NEC").
WHEREAS, in 1991 Rambus and NEC entered into a Semiconductor Technology License Agreement (as
previously supplemented and amended, including, without limitation, by Supplement No. 11, "Supplement No.
11", collectively referred to herein from time to time as the "License Agreement"); and
WHEREAS, the parties desire to further amend the License Agreement to include the characterization by
Rambus of an NEC ASIC test chip (incorporating the Modified RAC produced by Rambus for NEC pursuant to
Supplement No. 11) as more fully set forth below.
NOW, THEREFORE, the parties agree that the License Agreement is further amended by this Addendum to
include the following:
Capitalized terms used in this Addendum shall have the meaning specified therefor in Supplement No.11 and/or
the License Agreement, as appropriate, and, in addition, the following term shall have the meaning set forth
1.1 "TRAC" means an ASIC test chip designed and manufactured by or for NEC, incorporating (i) schematics
and netlists provided by Rambus pursuant to Exhibit A hereto and (ii) the Modified RAC produced by Rambus
pursuant to Supplement No. 11.
2. Scope of the Work.
Rambus shall, in accordance with the terms and conditions contained herein perform characterization of a TRAC
as specified in Exhibit A hereto (the "Characterization") and shall use its reasonable best efforts to deliver to NEC
the deliverables specified in Exhibit A within forty-five (45) days af