Washington, D.C. 20549
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
Date of Report (Date of earliest event reported)
December 27, 2010
Rambus Inc.
(Exact name of registrant as specified in its charter)
Delaware   000-22339   94-3112828
(State or other jurisdiction of
  (Commission File Number)   (I. R. S. Employer
Identification No.)
1050 Enterprise Way, Suite 700, Sunnyvale, California 94089
(Address of principal executive offices, including ZIP code)
(408) 462-8000
(Registrant’s telephone number, including area code)
Not Applicable
(Former name or former address, if changed since last report)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
o   Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
o   Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
o   Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
o   Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))



Item 8.01 — Other Events.
     On December 27, 2010, Rambus Inc. issued a press release announcing completion of an accelerated share repurchase program.
     The information in this current report on Form 8-K and the exhibits attached hereto shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”) or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filing.
Item 9.01 — Financial Statements and Exhibits.
     (d) Exhibits.
99.1   Press release dated December 27, 2010.



     Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
Date: December 27, 2010  Rambus Inc.
  /s/ Satish Rishi    
  Satish Rishi, Senior Vice President, Finance and    
  Chief Financial Officer   



Exhibit Index
Number   Exhibit Title
  Press release dated December 27, 2010.