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GbE transceiver ups data transfer reliability

Posted: 19 Feb 2008 ?? ?Print Version ?Bookmark and Share

Keywords:GbE transceiver? optical modules? PoE?

Vitesse Semiconductor Corp.'s VSC8664 is a quad Gigabit dual media Ethernet transceiver designed to improve the reliability of synchronous data transfer over IP packet-based carrier network equipment.

The latest addition to Vitesse's SimpliPHY portfolio, the VSC8664 quad GbE PHY includes two recovered clock outputs, providing both primary and secondary clock references for a synchronous timing system. The device is aimed at converged data, voice, and video applications in wired and cellular wireless systems that require Ethernet backhaul links capable of implementing high quality, timing synchronization in accordance with ITU-T Recommendation G.8261/Y.1361.

The VSC8664 supports 10/100/1000BASE-T copper and 100BASE-FX/1000BASE-X fiber media, including support for triple-speed, copper, small form-factor pluggable optical modules (SFPs). It also features a 4-pin Cisco SGMII v1.7 compliant MAC interface, and read/write mux to control and status SFPs and PoE modules.

The VSC8664 is offered in a 17mm x 17 mm, 256-ball plastic BGA package with a 1mm ball pitch. The integration of copper media-side resistors, Serdes receiver decoupling capacitors, and quad read/write mux allows OEM vendors to design compact synchronous Ethernet solutions.

The VSC8664 is sampling, as well as the VSC8634, a pin-compatible device with a copper-only interface.

- Ismini Scouras

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