Technology licensing company Rambus Inc. and NVIDIA have signed a patent license agreement related to certain memory controllers.

Under the agreement, Rambus has granted NVIDIA a patent license for certain memory controllers at a 1 percent royalty rate for SDR memory controllers and a 2 percent royalty rate for other memory controllers, including DDR, DDR2, DDR3, LPDDR, LPDDR2, GDDR2, GDDR3, GDDR4, and portions of GDDR5 memory controllers. NVIDIA has granted no licenses to Rambus.

The signed patent license agreement went into effect on August 12, 2010.

The terms of the license are per the agreement that Rambus offers as part of its commitment with the European Commission. A sample of the Memory Controller License Agreement is available at www.rambus.com/licensing.