Extract Layout tool in Cadence Virtuoso
HelloI am using Cadence Virtuoso version IC6.1.8-64b.500.6I have a quesion about the "Extract Layout" from connectivity, in the option I would like to know the difference between the "Current Cellview"...
View ArticleVIVA zoom horizontal/vertical
Hi, is it possible to have a separate horizontal/vertical zoom in VIVA?
View ArticleHow do I set transient strobeoutput to "all" in AMS simulation?
Hello,I am running a transient simulation for ADC ENOB calculation purposes. In Spectre, there is an option called "strobeoutput" which I set to "all" to force the transient simulation to calculate the...
View ArticleTerminal is inherited in switch master XXX and not inherited in place master YYY
Hello,I get the following error while trying to simulate an extracted view generated by PVS-Quantus. PVS19.1 and Quantus 20.1. Passes LVS, etc. Running with extracted C-decoupled settings.ERROR...
View ArticleNPORT compression "not working"
Hi all,until now I was simulating with a SP file which was compressed during the simulation, like the log files shows...
View ArticleGlobal nets in the extracted view
When I design a cell using the Virtuoso Schematic Editor, I name nets as local nets (a, b, vdd, gnd, and so on). When I draw the layout, these nets become global automatically (vdd! and gnd!). I later...
View Articlemake smaller or hide overlay in Cadence Layout XL
I cannot find how to hide or make smaller these wretched blue things (see pic) in Cadence Layout XL connectivity>compare with source. They are useful but I cannot edit with them they are just way...
View Articlereal-time tuning simulation with transient
Hi everyone,I'd like to know if we can use the real-time tuning tool with a transient simulation? I'm just discovering the tool and checked the video...
View ArticleHow can I get tabular data of I-V current
Dear All,This is my I-V characteristic.I want to know how can I get tabular data of this result.How can I do?Please tell me.Thank youyysunj
View Article[ Liberate ] Cells do not have -extsim_model parameter specified in...
I am trying to characterize a standard cell library, but liberate gives me the following errors.WARNING (LIB-40): (set_var): Ignored the invalid value '$model' specified for 'extsim_model_include'. It...
View ArticleWhat is the meaning of the parent purpose in a LPP?
I see that a LPP can also contain a parent purpose. What is the meaning of this? I can't find really anything in the manual, except that if no parent is defined the default parent is "drawing".
View ArticleTransient noise noise_fmax vs. sampling rate
Hi,I have a test case, where I have simulated a simple circuit containing 50ohm port driving 50ohm load followed by VCVS driving an RC-circuit.If I set the noise_fmax parameter to a higher frequency...
View Articleerror in plotting Y vs Y
Hi all,I have 2 functions that I want to plot vs each others. I used WaveVsWave function in the calculator and Y vs Y option in the x-axis right-click menu. They both usually work but sometimes the...
View ArticleI had an error of "matrix is singular" only by APS.
Hi, allI had an error of "matrix is singular" by APS. (spectre-->OK)I'd like to know what I should try for this error excepting contacting cadence support.Regards,Ichiro
View ArticleAssura doesn't recognise pins generated from sources
I am trying to draw the layouts for a few cells using the Virtuoso Layout Editor for which I drew the transistor level schematics using the schematic editor.I use Connectivity ~> Generate ~> All...
View ArticleAGPDK
I have asked to use only this Library(PDK) for designing few memory cells. And I have been asked to do it using FinFETs.I wanted to know if this PDK actually contains FinFETs because the name mentions...
View ArticleQuestion about AC simulation with verilog-A model
Hello,I have a question of AC simulation. Thank you in advance for your help.I'm using verilog-A based device model, and I tried to measure gm of the devices.So the two method I did was : 1) I measured...
View ArticleGetting data from an "intersect"
HiI have a dumb question - I want to know where two waveforms from an ADE sim intersect so I used the "intersect" command but how do I access the values of the coordinate pair? I want to use them to...
View Articleif statement in ade xl
Hello everyone,is it possible to write if expression like following codes when I define global variables in adexl: if (a==b) then if (c==d) then expression else...
View ArticleADE XL Not including Spectre Models
I have checked google and the forums and I can't seem to find a solution that I am not already implementing.I am unable to get ADE XL to include the spectre models provided by the PDK when running...
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