testing

Hi there,

This post is more a test.
I'm trying to start a thread in this forum, but no success.

Either my message is to big, or something else (e.g. I've try some text formatting) but when I push Post the the page is "thinking", see attachment.


I've try it in Chrome and Edge browsers, I've wait almost half hour, noting is happening.
Some advice, should I skip text formatting?

Thank you,

Marcel

  • Hi Andrew,

    The screenshot was just a ~ 4kb png file.

    I've try to add it again on this reply.
    The same message: "An error occurred. Please try again or contact your administrator." 

    My initial problem was related to this question community.cadence.com/.../spectre-nodes-info-pin-names-different-than-what-is-in-schematic-or-input-scsspectre nodes info: pin names different than what is in schematic or input.scs 

    On that I didn't had any attachment.

    I was trying just some text formatting (inline code blocks) to make it readable.
    In the end I had to split it in the original message.
    Maybe there is a limit to the body message or it has some special (html) chars

    spectre nodes info: pin names different than what is in schematic or input.scs 
    
    
    Hi *,
    
    I'm trying to get the instances connectivity through hierarchy, the mapping hier.inst_name:pin -> hier.net_name
    
    I'm using the "info what=nodes"
    
    It works, but I have two problems with some device models (the real model names were hidden, so I've use "abc", "xyz", ...)
    
    #1 issue -  for some devices instead of pin names in nodes.info, I get the the pin numbers.
    It seems to happen for all capacitor and resistor types.
    
    capacitor: C0 of zzz
               1 : net392
               2 : 0
    Instead of "1", "2" preferable to have "p", "n".
    
    #2 - Some devices  are netlisted in input scs as caps  C2 (net1 0 v_pwell) xyz value=11f wlratio=1 but on the nodes.info file I get a different type and a numbers of pins.
    
    bsim4: C2 of abc
              d : 0
              g : net1
              s : 0
              b : 0
    I've had a look in the model files and the reason is that xyz 3 pins capacitor model is derived from a MOS card model (bsim4), like below (xyz -> xyz_p -> abc card model) :
    xyz (p n b) xyz_p  ...
    * ... 
    * ...
    ends xyz
    
    xyz_p (n p n n) abc ...
    *...
    *...
    ends xyz_p
    
    
    
    abc (d g s b) abc_modelcard l=l w=w ad=ad as=as pd=pd ps=ps nrd=nrd nrs=nrs trise=trise
    
    ends abc
    
    model abc_modelcard bsim4 ....
    
    
    Below are the spectre simulator options.
    
    simulatorOptions options psfversion="1.4.0" reltol=1e-2 vabstol=1e-4 \
    
        iabstol=1e-10 temp=27 tnom=27 scalem=1.0 scale=1.0 gmin=1e-12 rforce=1 \
        note=yes maxnotes=5 warn=yes maxwarns=5 digits=5 cols=80 pivrel=1e-3 \
        sensfile="../psf/sens.output" checklimitdest=file \
        inlinesubcktcurrent=subckt useterms=name 
    tran tran stop=100n write="spectre.ic" writefinal="spectre.fc" \
        method=euler annotate=status maxiters=20 
    subckts info what=subckts where=rawfile
    designParamVals info what=parameters where=rawfile
    asserts info what=assert where=rawfile
    nodes_2 info what=nodes where=file
    terminals info what=terminals where=file
    saveOptions options save=all currents=all subcktprobelvl=3
    
    
    Is there any option to get the pin names as they are in the .scs ?
    for caps/res to get (p n)
    for the other to get the pins from "top" model , e.g "(p n b) of xyz" insetad of "(d g s b) of abc" 
    
    Preferable some other spectre param/option , and then to parse 1-2 files, if there is a need to parse multiple files/db I'm OK with that too.
    I have no control on models definition.
    
    Thank you,
    Marcel
    .

    I've attached it as plain text, in case IT want to debug it.

    First line is the thread subject, then follow the message body.


    Thanks a lot for carring,
    Marcel

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