MAGIC Magic Mailing List
 
 
From: Tan, Eric L. (Eric.Tan AT jhuapl DOT edu)
Date: Fri Feb 13 2004 - 13:43:17 EST

  • Next message: Jeff Sondeen: "Re: v7.2 non-TCL, ext2spice area and perimeter=0?" 

    Hi Tim,

I downloaded magic-7.2.62.tgz and installed with non-TCL option. When I do
ext2spice, all the area and perimeter of fets are all zero. I used
'ext2spice -J flat myfile', with all extract options in magic. Does this
happen to you? I tried older (7.1) ext2spice on the newly extracted .ext
file and it gives the area and perimeter normally, with a remark that says
the cell was extracted by 7.2 and should be re-extracted. Should I use this
old ext2spice instead?

Another related question that confuses me is: From my understanding (by
reading magic man page), the capacitance option for :ext enables node
capacitances to substrate (perimeter and area) computation. Sounds like
junction cap to me. If so, then the juction cap will be computed twice if
the simulator(hspice) also computes it with params CJS ans CJSW in the FET
model cards. Is turning off capacitance option the right thing to do?

Thanks!
Eric

    •  
     
    Questions? Contact Rajit Manohar     		cornell logo