Rambus Announces World's Fastest Bus Technology
Multi-Level Signaling Technology Capable of Data Transfer Rate of 1.6 Gigabits per Second
Honolulu, Hawaii - June 16, 2000 - Rambus Inc. (Nasdaq: RMBS), the leading provider of high bandwidth chip connection technology, today unveiled its new multi-level signaling technology during the VLSI Circuits Symposium. The Quad Rambus Signaling Level (QRSL) technology enables data transfer rates of 1.6 Gigabits per second (Gbps), twice Rambus' current signaling technology and four times the fastest demonstrated DDR SDRAM devices.
In 1992, Rambus increased the data rate of conventional signaling tenfold by increasing the clock rate by a factor of five and transferring two bits per clock cycle. The Rambus Signaling Level (RSL) accomplishes the transfer of two bits per clock cycle and is commonly referred to as double date rate (DDR) signaling technology. Today, Rambus has again pioneered high-speed signaling with its breakthrough multi-level QRSL technology. QRSL combines the patented double data rate (DDR) technology along with multi-level signaling to transfer four bits per clock cycle in order to achieve unprecedented commodity signaling rates of 1.6 Gbps, yielding 12.8 Gigabytes per second (GB/s) from a 64-bit bus.
"Toshiba has licensed QRSL from Rambus to deliver high bandwidth solutions to leading-edge consumer and communications markets," said Yasuo Morimoto, president and CEO, Toshiba Corporation Semiconductor Company. "Toshiba is the leading technology supplier to these markets which continue to require ever higher performance and is looking forward to Rambus' QRSL signaling technology to meet this requirement."
QRSL is ideal for small memory subsystems and chip-to-chip connections to solve performance bottlenecks in consumer and communications products. These applications include multi-processor interconnect in servers, line cards, networking equipment, video games, HDTV, set-top boxes, digital video recorders, and sealed box Information appliances. As the number of memory chips in PCs continues to shrink, this market will also ultimately be served by QRSL technology.
"Consumer and communications applications require even higher levels of throughput and performance than ever before," said Steve Cullen, Principal Analyst at InStat Research. "Rambus' QRSL represents the most significant increase over proposed alternatives to achieve higher performance. QRSL technology enables semiconductor companies to produce lower pin count, cost-effective ICs and ASICs to meet their next-generation product requirements."
"Our development team has produced test chips that have proven the technology is stable and producible and we are now ready to work with partners toward incorporating this signaling technology into their devices," said Dave Mooring, President of Rambus Inc. "Rambus' objective is to produce innovations that will benefit the semiconductor and systems industries. We are pleased to continue our role in leading the industry in memory and chip connections technologies."
About Rambus Inc.
Rambus Inc. develops and licenses high bandwidth chip connection technologies to enhance the performance of computers, consumer electronics and communications products. Current Rambus-based computers supported by Intel chipsets include Dell, Compaq, Hewlett-Packard, and IBM PCs and workstations. Sony's PlayStation©2 video game system uses Rambus memory. Providers of Rambus-based integrated circuits include the world's leading DRAM, ASIC and PC controller manufacturers. Currently, eight of the world's top-10 semiconductor companies license Rambus technology. More information on Rambus Inc. and its high bandwidth technologies is available at rambus.com.
Rambus and RDRAM are registered trademarks of Rambus Inc.
Contact:
Kristine Wiseman
Rambus Public Relations
(650) 944-8000
kwiseman@rambus.com
Susan Berry
Rambus Investor Relations
(650) 944-7900
ir@rambus.com rambus.com
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