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Rambus and Panasonic Sign Patent License Agreement

Five year agreement covers DRAM memory controllers

SUNNYVALE, CALIFORNIA, UNITED STATES – 01/27/2011 – Rambus Inc. (NASDAQ:RMBS), one of the world’s premier technology licensing companies, announced today it has renewed its patent license agreement with Panasonic Corporation. This five year agreement covers Panasonic’s products with DRAM memory controllers for SDR, DDR, DDR2, DDR3, and other DRAM devices. Rambus will receive royalty payments based on the shipment of these memory controllers.

“Panasonic has been a valued partner, and we are pleased to further this important relationship,” said Sharon Holt, senior vice president and general manager of the Semiconductor Business Group at Rambus. “This license renewal further validates the strength of our patent portfolio and showcases the key inventions created by our team of scientists and engineers.”

About Rambus Inc.

Rambus is one of the world’s premier technology licensing companies. Founded in 1990, the Company specializes in the invention and design of architectures focused on enriching the end-user experience of electronic systems. Rambus’ patented innovations and breakthrough technologies help industry-leading companies bring superior products to market. Rambus licenses both its world-class patent portfolio, as well as its family of leadership and industry-standard solutions. Headquartered in Sunnyvale, California, Rambus has regional offices in North Carolina, Ohio, India, Germany, Japan, Korea, and Taiwan. Additional information is available at www.rambus.com.

Rambus Unveils New Model to Monitor Energy Consumption in DRAM Devices

Applicable to all existing and emerging DRAM technologies

SUNNYVALE, CALIFORNIA, UNITED STATES – 12/07/2010 – Rambus Inc. (NASDAQ:RMBS), one of the world’s premier technology licensing companies, is set to unveil a new power modeling tool designed to understand and predict energy consumption in current and future DRAM devices. This breakthrough model will be presented today by Rambus’ Dr. Thomas Vogelsang at the MICRO-43 conference in Atlanta, Georgia at 1:30 pm ET.

During this presentation, Dr. Vogelsang will unveil this new flexible DRAM power model that can be used to calculate power usage. Attendees will hear how this model allows the calculation of DRAM power with an accuracy level between that of using datasheet values and full transistor level simulations.

Following MICRO-43, Dr. Vogelsang’s presentation will be available at the Rambus media library:www.rambus.com/assets/documents/presentations/vogelsang-understanding-energy-consumption-dram.pdf and the IEEE Xplore® digital library: http://ieeexplore.ieee.org/xpl/conferences.jsp

About Rambus Inc.

Rambus is one of the world’s premier technology licensing companies. Founded in 1990, the Company specializes in the invention and design of architectures focused on enriching the end-user experience of electronic systems. Rambus’ patented innovations and breakthrough technologies help industry-leading companies bring superior products to market. Rambus licenses both its world-class patent portfolio, as well as its family of leadership and industry-standard solutions. Headquartered in Sunnyvale, California, Rambus has regional offices in North Carolina, Ohio, India, Germany, Japan, Korea, and Taiwan. Additional information is available at www.rambus.com.

Elpida and Rambus Sign Patent License Agreement

SUNNYVALE, CALIFORNIA, UNITED STATES – 12/06/2010 – Rambus Inc. (Nasdaq: RMBS), one of the world’s premier technology licensing companies, today announced that it has renewed their patent license agreement with Elpida Memory, Inc. (Elpida, TSE: 6665), Japan’s leading global supplier of Dynamic Random Access Memory (DRAM). This agreement covers Elpida’s range of memory products including SDR, DDR, DDR2, DDR3, LPDDR, LPDDR2, GDDR3 and GDDR5 DRAM.

“We are extremely pleased to have licensed another one of the top three memory companies. This agreement continues our licensing momentum and renews a winning partnership that has produced best-in-class memory solutions for customers,” said Sharon Holt, senior vice president and general manager of the Semiconductor Business Group at Rambus. “Elpida’s customers now have the full benefit of licensed products using our patented innovations to enrich the consumer experience of electronic systems.”

In addition to its leadership in industry-standard DRAM products, Elpida ships the world’s fastest memory device, the 7.2Gbps XDR™ DRAM, based on the Rambus XDR memory architecture.

About Rambus Inc.

Rambus is one of the world’s premier technology licensing companies. Founded in 1990, the Company specializes in the invention and design of architectures focused on enriching the end-user experience of electronic systems. Rambus’ patented innovations and breakthrough technologies help industry-leading companies bring superior products to market. Rambus licenses both its world-class patent portfolio, as well as its family of leadership and industry-standard solutions. Headquartered in Sunnyvale, California, Rambus has regional offices in North Carolina, Ohio, India, Germany, Japan, Korea, and Taiwan. Additional information is available at www.rambus.com.

Rambus Unveils Mobile XDR Memory for Next-Generation Mobile Products

High-bandwidth, low-power and cost-effective solution delivers strong consumer benefits

LOS ALTOS, CALIFORNIA, UNITED STATES – 02/08/2010 – Rambus Inc. (Nasdaq:RMBS), one of the world’s premier technology licensing companies, today unveiled its Mobile XDR™ memory architecture for next-generation mobile products. Based on innovations from Rambus’ groundbreaking Mobile Memory Initiative introduced last year, Mobile XDR memory offers a high-bandwidth, low-power memory architecture to enable devices that exceed the power and performance targets for next-generation mobile products.

“Future mobile applications demand far higher performance and longer battery life than today’s mobile products can achieve,” said Sharon Holt, senior vice president of Licensing and Marketing at Rambus. “Mobile XDR memory provides the ideal solution for designers to offer leading-edge mobile content in a dramatically lower power and cost-effective manner. Uniquely, the Mobile XDR architecture delivers these benefits in SoC and DRAM devices that can be built with current manufacturing infrastructure reducing both risk and time-to-market.”

The Mobile XDR memory architecture will enable future mobile memory platforms which can achieve throughputs of up to 4.3Gbps per pin with unequaled power efficiency. With this breakthrough performance, SoC platforms can achieve over 17GB/s of memory bandwidth from a single Mobile XDR DRAM device while extending the battery life of many mobile products by more than 30 minutes, when operating under the most power-hungry usage profiles.

The Mobile XDR architecture enables significant cost savings for SoC chips by offering pin-count reduction and a smaller interface. Power reduction is achieved through an aggressive decrease in active power coupled with fast transition times to power-saving modes. This enables system designers to minimize memory subsystem power to increase battery life across a wide range of applications from simple voice transmission to demanding multimedia such as stereoscopic 3D HD video.

Mobile XDR memory architecture uses key innovations from Rambus’ Mobile Memory Initiative:

    • Very Low-Swing Differential Signaling (VLSD): a bi-directional, ground-referenced, differential signaling technology which offers a high-performance, low-power and cost-effective solution for applications requiring extraordinary bandwidth and superior power efficiency.

 

    • FlexClocking™ Architecture: utilizes asymmetric partitioning and places critical calibration and timing circuitry in the SoC interface, greatly simplifying the design of the DRAM interface.

 

  • Advanced Power State Management (APSM): Reduces memory system power and provides ultra-fast transition times between various low-power and active operating modes.

In addition, Rambus’ FlexPhase™ and Micro-threading technologies help enable the superior power efficiency of the Mobile XDR architecture.

Key components of the Mobile XDR memory architecture include Mobile XDR DRAM, Mobile XDR memory controller PHY (MIO), and the Mobile XDR memory controller (MXC). The Mobile XDR memory architecture is currently available for licensing. For additional information, please visit www.rambus.com/mobile.

About Rambus Inc.

Rambus is one of the world’s premier technology licensing companies. Founded in 1990, the Company specializes in the invention and design of architectures focused on enhancing the end-user experience of computing, communications and consumer electronics applications. Rambus’ patented innovations and breakthrough technologies in the area of high-speed memory architectures and complementary technologies have helped industry-leading chip and system companies bring superior products to market. Rambus’ technology and renowned integration expertise solve some of the most complex chip and system-level interface challenges. Rambus licenses both its world-class patent portfolio as well as its family of leadership and industry-standard interface products. Headquartered in Los Altos, California, Rambus has regional offices in North Carolina, Ohio, India, Germany, Japan, and Taiwan. Additional information is available at www.rambus.com.

Rambus and the Rambus logo are registered trademarks of Rambus Inc. All other trade names are the service marks, trademarks, or registered trademarks of their respective owners.

Samsung and Rambus Sign Comprehensive Agreement

SEOUL, KOREA and LOS ALTOS, CALIFORNIA, – 01/19/2010 – Samsung Electronics and Rambus (NASDAQ:RMBS) announced today that they have reached agreement settling all claims between them and licensing Rambus’ patent portfolio covering all Samsung semiconductor products including a perpetual fully paid-up license to certain current DRAM products. As part of the overall agreement, Samsung will invest $200M in Rambus stock. Other consideration to Rambus includes an initial payment of $200M and a quarterly payment of about $25M for the next five years.

In addition, Samsung and Rambus have signed a memorandum of understanding (MOU) relating to a new generation of memory technologies which brings together Samsung’s leadership in memory technologies with Rambus’ innovations in high performance memory interfaces. The two companies will initially focus on graphics and mobile memory solutions and will further review a potential collaboration on server and high-speed NAND Flash memories.

Both Samsung and Rambus said they are pleased to resolve their differences and move forward.

“We have a tremendous opportunity to renew a partnership which has created solutions that have benefited consumers worldwide,” said Harold Hughes, President and CEO of Rambus. “Bringing together Samsung’s market and technology leadership with our innovations for high-performance and high-efficiency memory architectures will make possible an exciting new generation of mobile, computing and consumer electronics products.”

Rambus management will discuss this agreement during a special conference call today at 3:00 p.m. PT. The call will be webcast and can be accessed through the Rambus website. A replay will be available following the call on Rambus’ Investor Relations website or for one week at the following numbers: (888) 203-1112 (domestic) or (719) 457-0820 (international) with ID# 4815324.

About Samsung

Samsung Electronics Co., Ltd. is a global leader in semiconductor, telecommunication, digital media and digital convergence technologies with 2008 consolidated sales of US$96 billion. Employing approximately 164,600 people in 179 offices across 61 countries, the company consists of seven independently operated business units: Visual Display, Mobile Communications, Telecommunication Systems, Digital Appliances, IT Solutions, Semiconductor and LCD. Recognized as one of the fastest growing global brands, Samsung Electronics is a leading producer of digital TVs, memory chips, mobile phones and TFT-LCDs. For more information, please visit www.samsung.com.

About Rambus

Rambus is one of the world’s premier technology licensing companies. Founded in 1990, the Company specializes in the invention and design of architectures focused on enhancing the end user experience of computing, communications and consumer electronics applications. Rambus’ patented innovations and breakthrough technologies in the area of high-speed memory architectures and complementary technologies have helped industry-leading chip and system companies bring superior products to market. Rambus’ technology and renowned integration expertise solve some of the most complex chip and system-level interface challenges. Rambus licenses both its world-class patent portfolio as well as its family of leadership and industry-standard interface products. Headquartered in Los Altos, California, Rambus has regional offices in North Carolina, Ohio, India, Germany, Japan, and Taiwan. Additional information is available at www.rambus.com.

Samsung to Offer 1 Gigabit XDR™ DRAM

LOS ALTOS, CALIFORNIA, UNITED STATES – 12/03/2009 – Rambus Inc. (NASDAQ: RMBS), one of the world’s premier technology licensing companies specializing in high-speed memory architectures, today announced that Samsung Electronics Co., Ltd. will offer a 1 Gigabit XDR™ DRAM memory device. XDR DRAM is a key component of Rambus’ award-winning XDR memory architecture. Samsung’s 1Gb XDR DRAM device will broaden the availability of XDR technology for gaming, computing and consumer electronics applications.

“Samsung’s market leadership means system manufacturers can be assured of a reliable supply of our XDR DRAM,” said Sharon Holt, senior vice president of Licensing and Marketing at Rambus. “With XDR memory’s world-leading bandwidth performance, designers can meet their system requirements with fewer devices and greater power efficiency.”

The XDR memory architecture achieves significantly higher performance than today’s standard memories. It provides excellent bandwidth with superior power efficiency for demanding computing and consumer electronics applications.

About Rambus Inc.

Rambus is one of the world’s premier technology licensing companies specializing in the invention and design of high-speed memory architectures. Since its founding in 1990, the Company’s patented innovations, breakthrough technologies and renowned integration expertise have helped industry-leading chip and system companies bring superior products to market. Rambus’ innovations and solutions enable unprecedented performance in computing, communications and consumer electronics applications. Rambus licenses both its world-class patent portfolio as well as a range of leadership and industry-standard memory solutions. Headquartered in Los Altos, California, Rambus has regional offices in North Carolina, India, Germany, Japan and Taiwan. Additional information is available at www.rambus.com.