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How to change the ron of D2A IE, please?

xxgenerall

There is an MOS_d2a in analogLib, which has instance parameters like below. But how to change the value of "ron"?

I've tried a test with not Gate in verilog, like this.

 

And the schematic in config is below.

When setting up the IE Model, there is no "ron" property in MOS of analogLib, like below.

I'm confusing so much. But how to change the "ron" of MOS_d2a in analogLib?

Can anyone help me, please? 

  • This is for the very old (and obsolete) spectreVerilog interface - you really should use the "AMS Designer" simulator instead because it is much more powerful and has more features, particularly with respect to interface elements (connect modules).

    What you can do is to copy the MOS_d2a and MOS_a2d into your own library, and then edit the CDF (Tools->CDF->Edit in the CIW). Edit the Base CDF for the copied MOS_d2a cell, and add a new parameter "ron" (with similar settings to the others). Don't bother prefixing it with "d2a", i.e. don't call it d2a_ron as you will only need to map it.

    Then in the CDF simulation information, for simulator spectre, add "ron" to the instParameters.

    I tried this, and it works.

    Regards,

    Andrew.

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