Vitesse Debuts Enterprise Class Switch for Serial ATA Storage Systems

5/13/2003 - Committed to driving the adoption of Serial ATA, Vitesse Semiconductor Corp. (Nasdaq: VTSS) expanded its storage product portfolio to include a 2:1 Serial ATA Failover Switch (VSC7175) designed for high-availability Serial ATA I and Serial ATA II applications.

This switch directly combats the ATA limitation of single host/single channel accessibility to storage media through the employment of Vitesse's proven high-performance, low-latency switching technology. Similarly, it can eliminate the Serial ATA constraint of single target addressing through its simple port replication function.

In standard mode, the VSC7175 provides two uplinks to Serial ATA host bus controllers and a single downlink to Serial ATA storage devices. Other operating modes allow the VSC7175 to perform in a variety of applications ranging from Serial ATA backplanes to high-density storage systems based on simple port multiplication functions. The VSC7175 extended features include: High Output Swings with Pre-emphasis, Increased Receiver Sensitivity, and Out-of-Band (OOB) Transparency supporting true high-end storage designs. In addition to its fault eliminating design, the VSC7175 can be used as a simple Serial ATA port replicator at speeds up to 3.0 Gb/s.

"The combination of standard and 'super-standard' features make the VSC7175 an ideal choice for delivering robust, enterprise-class solutions based on Serial ATA technology," commented Sam Barnett, product line manager for Serial ATA products at Vitesse. "System designers will no longer be constrained by interface technology limitations in ATA storage devices."

Rounding out the Vitesse Serial ATA product family are the VSC7174 Quad Serial ATA Host Bus Controller, as well as the VSC420 and VSC425 Serial ATA Enclosure Management Processors.

Product Support, Pricing and Availability
The VSC7175 2:1 Serial ATA Failover Switch comes in a 32-pin, 7x7 mm, QFP-N package and is now available in sample quantities. It is priced at $5.00 in volume quantities. Evaluation platforms, reference designs, and a complete catalog of Vitesse storage solutions can be obtained by contacting Vitesse or its representatives.

About Vitesse
Vitesse is a leading designer and manufacturer of innovative silicon solutions and optical devices used in the networking, communications, and storage industries worldwide. Vitesse works to specifically address the requirements of system designers and OEMs by providing high-performance, integrated products that are ideally suited for use in Enterprise, Access, Metro, and Core applications. Additional company and product information is available at

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