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Integrated Ethernet switch cuts costs, simplifies design

Posted: 18 Mar 2010 ?? ?Print Version ?Bookmark and Share

Keywords:Ethernet? switch? LDO? transceiver?

Micrel Inc. has released the KSZ8873/KSZ8863 series of highly integrated three-port switch-on-a-chip ICs touted to provide the smallest footprint. They are designed to enable a new generation of low port count, cost-sensitive and power efficient 10/100Mbit/s switch systems. Lower power consumption, advanced power management schemes and sophisticated QoS features (including IPv6 priority classification) make these solutions ideal for IPTV, IP-STB, VoIP, media converter, automotive and industrial applications.

The high integration of the KSZ8873/KSZ8863 series includes an on-chip LDO and an internally generated clock for the RMII interfaceall of which reduce system cost and simplify system design. The interface configurations provided by the KSZ8873/KSZ8863 series, IEEE802.3-compliant transceiver interfaces and MII/RMII interfaces, enable the flexibility to meet the requirements of different applications. Enhanced QoS features, including traffic prioritization and source address filtering, facilitate implementation of advanced QoS policies in switch systems. The easy-to-use LinkMD cable diagnostics support quick resolution of common cabling problems and reduce costly network downtime. Auto-MDI/MDIX eliminates the need for cross-over cable, thus reducing installation costs.

"The adoption of Ethernet connectivity in a broad range of consumer, automotive and industrial applications continues to accelerate," noted J.C. Lin, Micrel's VP, Ethernet products. "Micrel's new devices, featuring improved QoS capabilities, are highly power-efficient, making them ideal for green Ethernet switch systems in these burgeoning markets."

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