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PHY device integrates equalization engine

Posted: 09 Nov 2009 ?? ?Print Version ?Bookmark and Share

Keywords:Fibre Channel? PHY? data center?

NetLogic Microsystems Inc. has released the NLP1220 dual-port 8.5Gbit/s Fibre Channel PHY repeater device with an integrated low-power equalization engine. The device claims best-in-class power consumption and latency to customers developing next-generation data center switches and storage host bus adapters.

The NLP1220 PHY device offers superior transmit and receive jitter performance as a result of the integrated high-performance LC phase locked loop circuit and an advanced second-order clock-and-data recovery design. Moreover, NetLogic's unique granular power-down modes for the transmit, receive and equalizer circuitry, combined with an innovative analog/digital hybrid architecture, provide customers with low-power and low-latency profiles, making it suitable for high-density data center applications.

As the industry's first dual-port Fibre Channel repeater with 2-/4-/8G capability as well as the first device with a dual-receiver analog front end, the NLP1220 PHY device integrates the receiver and transmitter Serdes functions on a single chip with on-chip clock drivers, multiple loop-back features and PBRS generation and verification for both the line side and system side. The integrated low-power equalization engine doubles the reach of Fibre Channel signals on PCB traces and cables, supporting up to 15m on 24/26 AWG cables and up to 10m on 30 AWG cables.

"Our NLP1220 product extends our 10GbE Serdes technology and market leadership into the enterprise storage and data center markets," said Stefanos Sidiropoulos, VP of the physical layer products at NetLogic. "We are excited to see the strong interest for our new Fibre Channel PHY product from multiple customers."

The NLP1220 PHY device is currently available in a compact, RoHS-compliant 12mm x 12mm BGA package with industry-standard 1mm ball pitch for ease of manufacturability. NetLogic has completed interoperability testing of the NLP1220 device with leading 8G Fibre Channel controllers, backplanes, direct-attached cables and SFP+ modules.

For application notes on PHYs click here.

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