Article ID: 000080336 Content Type: Troubleshooting Last Reviewed: 08/13/2012

Do I need to isolate the VCCA_PLL and VCCD_PLL power supplies if I am not using PLLs in my Arria series or Stratix series devices?

Environment

  • PLL
  • BUILT IN - ARTICLE INTRO SECOND COMPONENT
    Description

    No, it is not mandatory to isolate the VCCA_PLL or VCCD_PLL power supplies if you are not using any of the PLLs in your Arria® series or Stratix® series device. Isolation is advised if you are using PLLs, as this provides optimum jitter performance.

    Related Products

    This article applies to 9 products

    Arria® II GZ FPGA
    Arria® II GX FPGA
    Stratix® II FPGAs
    Arria® GX FPGA
    Stratix® II GX FPGA
    Stratix® III FPGAs
    Stratix® IV E FPGA
    Stratix® IV GX FPGA
    Stratix® IV GT FPGA

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