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20BIT SERDES

eli
Guru 13485 points
Other Parts Discussed in Thread: DS32EL0421, TLK6002

am looking for general purpose serializer that can directly connect to Altera FPGA transceiver. It should have 20 parallel inputs at 100MHz, and serialized into a single lane .

Is the SCAN12100 is the right and only solution?

  • 0
    TI__Expert 5175 points

    Greetings -

    Two other options would be the TLK6002 or the FPGA-Link Ser/Des (DS32EL0421).

    John Goldie

  • 0 in reply to John Goldie
    TI__Expert 7850 points

    Eli,

    In addition to the TLL6002 and DS32EL0421, we also have TLK2541 that can support a 20bit input at 100MHz.

    Thanks,

    Atul Patel

  • 0 in reply to Atul Patel
    Guru 13485 points

    Hi Atul,

    Looks that The TLK2541 will do the job.

    How can I verify that it can interface with Altera’s Stratix IV transceivers?

    Also I need the signals to run over 2 meter cable with twisted pairs, is it suitable?

     

  • 0 in reply to eli
    TI__Expert 7850 points

    Eli,

    The customer can evaluate the the TLK2541 with FPGA by building a test board but this may be too much work.  If the customer is concerned about interface level interoperability, then often customers model the interface using IBIS models.  I have attached the IBIS model for the TLK2541.  

    TLK2541 should be able to drive 2m of twisted pair cable such as twin-ax or cat5 cable.  Please note that cable loss, connector loss, and the application's sensitivity to jitter will determine how long any particular cable can be driven.

    Thanks,

    Atul

    tlk2541.ibs