Thanks all. I have few questions. I did try using s-element and I am not clear how to interpret my simulation results. For a simple case of inverter based driver and receiver, INV (driver) -> Through Silicon Via (Interconnect) -> Inv (Receiver) I have the s-parameter touchstone file for a range of frequencies for TSV extracted using Q3D extractor. I simulated this in HSPICE using s-element and I got some eye diagram for a PRBS pattern for a particular input data rate. From my understanding, the R and L values atleast change with frequency and depending on that my eye opening should change. If I use the s-element method, I get a single eye diagram. How should I interpret it? Does it mean the eye diagram which I get after simulating using s-element includes the effect of all the frequencies on RLGC parasitics? In short I am not clear how s-element simulations guarantee that my simulation results include frequency dependent RLGC parasitics. Thanks, krishna On Mon, Mar 12, 2012 at 9:29 AM, Ihsan Erdin <erdinih@xxxxxxxxx> wrote: > Krishna, > > In hspice, you can directly plug in those s-parameters to your netlist as > an s-element. As there's no need for a w-element using one wouldn't be > right either. You can model the rest of the tracks with the w-element. > Below, I suspect you're referring to a totally different case which is > about assigning freq. dependent PUL parameters to the w-element from a > touchstone file. This can only be be used when the track parameters are > computed with a third party tool and completely irrelevant to what you're > trying to accomplish in this particular situation -if I understood your > case correctly, of course... > > Regards, > > Ihsan > > On Mon, Mar 12, 2012 at 11:28 AM, Krishna Chaitanya <krishna1abc@xxxxxxxxx > > wrote: > >> Hello All, >> I am trying to analyze the impact of frequency dependent parasitics of >> Through Silicon Vias on data rate. I used Ansoft Q3D extract to obtain >> RLGC >> parasitics as s-parameter Touchstone file for a range of frequencies. Now >> I >> would like to know how can I use this file in HSPICE simulation. When I >> use >> w-element method in HSPICE it can take touchstone file as input but I am >> not sure whether it is the correct way to simulate any frequency dependent >> parasitics in HSPICE. >> >> Any help? >> >> Thanks, >> Krishna >> >> >> ------------------------------------------------------------------ >> To unsubscribe from si-list: >> si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field >> >> or to administer your membership from a web page, go to: >> //www.freelists.org/webpage/si-list >> >> For help: >> si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field >> >> >> List forum is accessible at: >> http://tech.groups.yahoo.com/group/si-list >> >> List archives are viewable at: >> //www.freelists.org/archives/si-list >> >> Old (prior to June 6, 2001) list archives are viewable at: >> http://www.qsl.net/wb6tpu >> >> >> > > > -- > Ihsan Erdin > > ------------------------------------------------------------------ To unsubscribe from si-list: si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field or to administer your membership from a web page, go to: //www.freelists.org/webpage/si-list For help: si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field List forum is accessible at: http://tech.groups.yahoo.com/group/si-list List archives are viewable at: //www.freelists.org/archives/si-list Old (prior to June 6, 2001) list archives are viewable at: http://www.qsl.net/wb6tpu