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40nm 10GBASE-T PHYs operate at 4W/port

Posted: 08 Feb 2010 ?? ?Print Version ?Bookmark and Share

Keywords:PHY? 10GbE transceiver? Ethernet?

Broadcom Corp. is sampling low-power 10GBASE-T transceivers produced in 40nm process technology. The new Broadcom family of 10GbE PHY transceivers support IEEE 802.3 10GBASE-T operation over 100 meters of shielded or unshielded twisted pair (UTP) cable, and RJ45 connectors and are available in either a dual-port or quad-port configuration. The advanced 40nm process technology and power-savings design techniques have lowered the operating power below 4W/port, significantly lower than competitive solutions designed in 65nm or 90nm technologies.

As server processing speeds quickly outstrip 1GbE bandwidth, 10GbE is fast becoming the required connectivity for high performance computing and storage.

Market research from Dell'Oro Group indicates that over two million 10GbE ports were shipped in 2009, and that 10G copper connections will potentially exceed 14 million ports by 2013. This anticipated growth is fueled in part by increases in server I/O speed and storage I/O speed, as well as the additional throughput needed for the aggregation of 1GbE links.

The Broadcom 40nm 10GBASE-T transceiver family includes the BCM84833 (two ports) and BCM84834 (four ports). This family addresses the need for 10Gbit/s connectivity bandwidth and features either two or four independent 10GBASE-T ports, providing a complete PHY solution operating at less than 4W of power per port over 100m meters of Category 6A UTP or Category 7 cables.

The family also offers XAUI and XFI ports to enable connection to external 10Gbit/s fiber optic modules for dual media (copper/fiber) applications. AutogrEEEn mode that further reduces power consumption to less than 2W per port when network traffic is light.

The dual port or quad port configurations reduce the number of required devices in a design when compared to single port transceivers. It also uses less board space and provides better airflow than competing solutions that have to use multiple chips to achieve similar functionality. In addition, the devices are ideally-suited for high-density switch and server designs and will help drive the adoption of 10Gbit/s twisted pair connectivity in data centers and enterprise networks.

The Broadcom 40nm 10GBASE-T transceiver family also supports auto-negotiation between 10Gbit/s and legacy Ethernet speeds to enable compatibility with already installed Ethernet technology. This provides IT managers with a solution that meets current 10Gbit/s bandwidth connectivity requirements while maintaining complete backwards compatibility and interoperability with existing equipment that uses 1GbE or Fast Ethernet connectivity. End users can now deploy servers with 10GBASE-T while maintaining connectivity with any installed Ethernet switch, and upgrade their network as time and budgets allow.

"Applications such as storage and computing benefit significantly from 10 Gigabit Ethernet connectivity, which provides substantial performance gains versus 1GbE technology. Broadcom has established itself as a leader in 10 Gigabit Ethernet silicon in both the 10GbE controller and 10GbE switch space," said Kevin Brown, senior director and general manager, Broadcom's PHY line of business. "To help accelerate the market transition to 10GbE Broadcom is now the first in the industry to deliver samples of low power 40nm 10GBASE-T PHYs that operate at approximately 3.5 watts per port. In addition to the power savings provided by 40nm, our AutogrEEEn technology also delivers a dramatic power reduction under light traffic conditions providing power and cost savings to the end user."

The Broadcom 40nm 10GBASE-T transceiver family is now available in sample quantities to early access customers.

Broadcom's comprehensive PHY product portfolio includes support for all 10G PHY standards including 10GBASE-T, 10GBASE-KR, 10GBASE-LRM, 10GBASE-SR/LR and 10GBASE-ER/ZR.

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