Electronics

Electronics

Topics related to HFSS, Maxwell, SIwave, Icepak, Electronics Enterprise and more.

Ansys DDR4 Compliance Toolkit

    • cchen
      Subscriber

      Hi, I am new to Ansys DDR4 simulation. I followed the DDR wizard in SIwave and automatically created schematic in desktop. But when I generate compliance report, I am keep getting eyediagram where DQ and DQs intersects with each other. It seems a paramter issue (phase shift or delay for DQs?) but i don't know how to adjust it. Could you help me with this. Thanks!

    • cchen
      Subscriber

      Just follow up, any suggestions?

    • shsaxb
      Subscriber

      Is it ReadMode or WrteMode ? In Readmode, The DQS is aligned with DQ

    • cchen
      Subscriber

      I tried both readmode and write mode. Neither works in compliance toolkit. 

      I understand in readmode DQ waveform should be edge-aligned with DQS diff waveform and in writemode they are center-aligned. I believe I choose the correct mode in toolkit as well. But it's not working. 

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