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Looking for 4Gb/s serdes

Discussion in 'Electronic Design' started by Allan Herriman, Aug 7, 2007.

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  1. Hi,

    I've been trying to find a SERDES part that is capable of handling
    4Gb/s. The usual suspects (Vitesse, et al) seem to only do up to
    3.5Gb/s, and then jump to 10Gb/s.

    Since 4Gb/s is close to a standard rate (4Gb/s Fibre Channel, which is
    actually just over 4Gb/s on the line) I thought that there would be
    plenty of SERDES parts, but I can't find them.

    Any pointers?

    BTW, I can find plenty of IP cores, but I don't want to make an ASIC.
    I want a part that I can put on a board.

  2. Guest

    How about a FPGA?
  3. I had looked at Virtex-5 from Xilinx, and (according to the latest
    datasheet) the fastest speed grade was short of 4Gb/s.
    Same for the Lattice parts.

    I hadn't considered Altera, however.
    The Altera Stratix II GX is claimed to work at over 6Gb/s, so that
    might meet my needs.

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