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    1. Technologies
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    New Generation Of PCIe Switches Brings New Functionality

    Nov. 5, 2007
    PLX Technology's latest batch of PCI Express (PCIe) switch chips adds a host of new features, such as dual-cast support in addition to 5-Gbit/s transfer rates. The collection includes the PEX 8648 (48 lanes, 12 ports), PEX 8632 (32 lanes

    PLX Technology's latest batch of PCI Express (PCIe) switch chips adds a host of new features, such as dual-cast support in addition to 5-Gbit/s transfer rates. The collection includes the PEX 8648 (48 lanes, 12 ports), PEX 8632 (32 lanes, 12 ports), PEX 8624 (24 lanes, six ports), PEX 8616 (16 lanes, four ports), and PEX 8612 (12 lanes, three ports). Each chip supports PLX's read pacing algorithm to ensure fair sharing of bandwidth. The chips also provide new power-management support and the ability to turn off idle blocks. The maximum payload size has been increased. And, there is now data path parity and error cyclic-redundancy check (ECRC) on egress for applications like RAID controllers. The switches are available in compact flip-chip packages.

    PLX Technology www.plxtech.com

    About the Author

    William G. Wong | Senior Content Director - Electronic Design and Microwaves & RF

    I am Editor of Electronic Design focusing on embedded, software, and systems. As Senior Content Director, I also manage Microwaves & RF and I work with a great team of editors to provide engineers, programmers, developers and technical managers with interesting and useful articles and videos on a regular basis. Check out our free newsletters to see the latest content.

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    I earned a Bachelor of Electrical Engineering at the Georgia Institute of Technology and a Masters in Computer Science from Rutgers University. I still do a bit of programming using everything from C and C++ to Rust and Ada/SPARK. I do a bit of PHP programming for Drupal websites. I have posted a few Drupal modules.  

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