Xilinx Provides Proven XAUI Solution For 10 Gigabit Ethernet Applications

First programmable 1 & 10 Gigabit Ethernet solutions to complete University of New Hampshire InterOperability Laboratory conformance test suites

SAN JOSE, Calif., July 1, 2003 - Xilinx, Inc. (NASDAQ:XLNX) today announced that it has successfully completed the University of New Hampshire Interoperability Lab (UNH IOL) IEEE 802.3 conformance tests for 1 and 10 Gigabit Ethernet Media Access Controller (MAC). Xilinx also announced successful interoperability testing of its 10 Gigabit Attachment Unit Interface (XAUI) IP core with a number of 3rd party vendors during several group test sessions. In addition, Xilinx also announced two new IP cores today, the XAUI and Ethernet 1000BASE-X PCS/PMA LogiCORE™ products. Both cores are available now for use with Virtex-II Pro™ Platform FPGAs. The two new IP cores further extend Xilinx's serial interface IP offering, part of the comprehensive suite of design resources under the Serial Tsunami initiative.

"The flexibility of Xilinx Platform FPGAs enabled Xilinx to complete the Ethernet MAC conformance testing with a surprisingly short test cycle," said Bob Noseworthy, 10 Gigabit Ethernet Consortium Manager at UNH IOL. "Xilinx's in-house Ethernet expertise worked to deliver a solid and robust 10 Gigabit Ethernet solution."

By successfully completing the UNH IEEE 802.3 conformance tests for Ethernet MAC and by demonstrating interoperability with networking equipment incorporating standard gigabit Ethernet devices, Xilinx is providing IP solutions that significantly reduce the hardware testing burden for customers and accelerate their time to market. In addition, Xilinx' participation in three XAUI group tests has resulted in an extensive portfolio of XAUI devices with which the Virtex-II Pro FPGA using the XAUI IP core can interoperate. Customers using Virtex-II Pro FPGAs and Xilinx 1 & 10 Gigabit Ethernet IP cores are ensured first time design success and seamless operation with other 1 & 10 Gigabit Ethernet standard devices in their networking and telecommunication systems.

Ethernet 1000BASE-X PCS/PMA and XAUI LogiCORE Offerings
The new 1000BASE-X PCS/PMA and XAUI cores can be used in the development of emerging 1 & 10 Gigabit networking and telecom equipment. Both cores are parameterizable and customizable via the Xilinx CORE Generator software. The 1000BASE-X core is designed to the IEEE 802.3-2002 standard, and is available with a choice of two PHY side interfaces: a 1000BASE-X PCS with Ten Bit Interface (TBI), or an integrated 1000BASE-X PCS/PMA which allows designers to simplify their board designs. The XAUI core utilizes four channel-bonded Virtex-II Pro RocketIO™ transceivers to provide a 4-lane high-speed serial interface offering 10 Gigabits per second (Gbps) total data throughput. Included with the XAUI core are the XGMII Extender Sublayers (DTE and PHY XGXS) and the 10GBASE-X sublayer, as described in clauses 47 and 48 of IEEE 802.3ae-2002. Both cores can be used in bridging applications to transfer Ethernet frames across non-Ethernet media when protocol termination is not required. In addition, free FIFO design examples are available now for current GMAC & 10GMAC customers providing full line rate support for back-end user logic.

Licensing, Pricing and Availability
The Ethernet 1000BASE-X PCS/PMA and XAUI cores are available now as LogiCORE™ products under the terms of the SignOnce IP license and are downloadable from www.xilinx.com/connectivity. The site license price for the 1000BASE-X PCS/PMA core is $5000, while the XAUI core is provided free of charge. Both cores are available for use in Virtex-II Pro Platform FPGAs using ISE 5.2i with Service Pack 2 or later revision software. Free user-side FIFO design examples are available for download in the respective product lounges for current 1 & 10 GMAC licensee customers. More details regarding these new 1 and 10 Gigabit Ethernet IP cores and other Xilinx connectivity solutions can be found at www.xilinx.com/connectivity. To obtain a copy of the UNH test results, customers may contact their local Xilinx sales representatives.

About Serial Tsunami
The Xilinx Serial Tsunami initiative, announced October 21, 2002 is designed to accelerate the industry move from parallel to serial I/O technology by delivering next generation connectivity solutions that meet bandwidth requirements from 3.125 Gbps today to 10 Gbps and beyond. For complete information about the Serial Tsunami initiative, visit www.xilinx.com/connectivity.

About UNH InterOperability Laboratory
The University of New Hampshire Research Computing Center's InterOperability Laboratory (IOL) is a world renowned, highly respected center of data communications technology research, testing, and education. The lab enjoys a reputation for expertise not only in testing and test procedure development, but also in the interpretation of technical specifications and resolution of conflicts within the specifications themselves and between different implementations. By bringing companies together as a consortium in a neutral environment and leveraging collective resources to develop a common test bed, test methodologies, and test tools, the IOL is able to provide a service that most companies couldn't afford to do in-house. For more information, visit www.iol.unh.edu.

About Xilinx
Xilinx is the worldwide leader in complete programmable logic solutions. For more information, visit www.xilinx.com.

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