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    Communications: 10-Gbit PHYs Integrate VCSEL Diode Drivers And Clock Synthesizers

    April 13, 2006
    The Puma AEL1006 can drive vertical-cavity surface-emitting laser (VCSEL) diodes while providing 10-Gbit/s physical-layer (PHY) support. Implemented in a 130-nm CMOS process, it also simplifies next-generation serializer/deserializer (SERDES)

    The Puma AEL1006 can drive vertical-cavity surface-emitting laser (VCSEL) diodes while providing 10-Gbit/s physical-layer (PHY) support. Implemented in a 130-nm CMOS process, it also simplifies next-generation serializer/deserializer (SERDES) systems. The chip's clock synthesizer allows Ethernet/XAUI clock rates to be generated from a low-cost 50-MHz clock input, further reducing the cost of optical modules employing the AEL1006. The Puma AEL1004 10-Gbit PHY offers onchip clock synthesizers that eliminate the need for board designers to provide two clock sources for Ethernet and Sonet/synchronous digital hierarchy (SDH) timing requirements. With the company's scheme, a single clock input of 155.52 MHz will drive either the Sonet/SDH or Ethernet/XAUI timing requirements. On-chip cleanup circuits also permit the chip to deliver stratum-3 level line-timing capability for Sonet/SDH timing requirements. Contact the company for volume pricing.

    Aeluros Inc.
    www.aeluros.com

    About the Author

    Dave Bursky | Technologist

    Dave Bursky, the founder of New Ideas in Communications, a publication website featuring the blog column Chipnastics – the Art and Science of Chip Design. He is also president of PRN Engineering, a technical writing and market consulting company. Prior to these organizations, he spent about a dozen years as a contributing editor to Chip Design magazine. Concurrent with Chip Design, he was also the technical editorial manager at Maxim Integrated Products, and prior to Maxim, Dave spent over 35 years working as an engineer for the U.S. Army Electronics Command and an editor with Electronic Design Magazine.

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