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Adams_Hu's avatar
Adams_Hu
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2 years ago

Why NOT Arria 10 recommand OCT for Differential SSTL-18?

Hi In Arria 10 datasheet, Altera recommend internal OCT for differential SSTL-15 & differential SSTL-12 but differential SSTL-18? It looks like LVDS bank supports the serial resistor on output a...
AqidAyman_Altera's avatar
AqidAyman_Altera
Icon for Regular Contributor rankRegular Contributor
2 years ago

Hi,


Thank you for reaching out Intel FPGA Community.


From what I understand, for Differential SSTL-18 Class I and II, there is mentioned that it is recommended to use Differential SSTL I/O Standard Termination as the external termination scheme.


Regards.





  • Adams_Hu's avatar
    Adams_Hu
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    2 years ago

    Hi

    You mean I can also turn on OCT to compliant with Differential SSTL-18 Class I & II instead of external termination scheme?

    Best Regards