Custom deep trench capacitor
Hi,I am starting out with a project on DRAM memory cells and am using the cadence 45nm tech node. But at this technology, the capacitance from the mimcap and moscaps need a large area. So I was...
View ArticleCadence Virtuoso 6.16 model cards
Dear All,I'm using Predictive Technology Model (PTM) model cards on cadence virtuoso 6.16, and drawing the characteristics ( Ids vs Vgs) of nmos and pmos, but I'm getting the characteristics of pmos...
View Articlehow to add BB Via in internal layer ??
Hi everyone,how to add buried via in inner layer even though i assigned the pad stack assigned for following producure. (set up--->assign BB via)
View ArticlePower connectivity for SRAMs
Hello,Used Encounter successfully on a number of projects but always only with the standard cell library. I want to use some Faraday SRAMs which I've built and integrated into the flow, I'm a little...
View ArticlePcell Creation
Hi All,I am trying to create a pcell for nmos. I have added a stretchline in X-direction with name length, saved and compiled to pcell. While instantiating the pcell in another cell, I am able to see...
View ArticleHow to create a new footprint without using the package symbol wizard?
Hi. I had created the footprint with the package symbol wizard, but i want to create the footprint manually means i have go to option of package symbol. When i had opened it, i had no idea to what to...
View ArticleUltra librarian- .dra file, .psm file
Hi all, I am using OrCAD Capture CIS Lite and PCB Editor Lite. I am trying to design a simple circuit. But I'm not able to get the footprint of components. I downloaded the .bxl file from TI website...
View ArticleImport Files for Encounter ( Preparing for Encounter)
Hello I am using Cadence Virtuoso 6.1.2. Can you please guide me how to create .v files from a schematic ( lets say of an inverter)? Also, I wish to create .lef file of my standard cell layout design...
View ArticleAntenna violations skill code
Hi, I am trying to figure out the best way to fix antenna vioaltions for custom layout. If anyone have any scripts to help me get started for writing custom skill code to put in antenna diodes for...
View ArticleTransient Noise Analysis to Calculate PLL Phase Noise
Hi all, I was trying to design a charge pump PLL and simulate the phase noise of it. I ran into some convergence problem when I used PSS+PNOISE, therefore I decided to calculate the PLL phase noise...
View ArticlePCELL eval failed, how to debug missing functions?
Hello everyone. I'm trying to debug a strange PCELL evaluation error. I had a bunch of layout up and working, but 3 design kit revisions later, I have a bunch of PCELL evaluation errors instead of...
View Articlehow to use ADE_L to plot waveform after command line simulation
hi,everyone I am simulating a big circuit .When I use ADE simulating it,it would take a long time to initialisation,and then begin to simulate.But when I use comnand line to simulate ,for...
View ArticleEvaluating Error vector magnitude function
Dear all, I am simulating a 16- PSK modulation scheme. I am generating the different phases of the carrier using delay elements. I need to see the effect of delay mismtach on the EVM. May I...
View ArticleRegarding more DRCs at routing for 28nm designs using routeDesign command...
Hi,Iam working on 28nm design using soc encounter with the following steps,Placement -> prectsopt -> CTS -> postcts_opt for setup and hold -. routing -> postroute opt 1)Iam using padding...
View ArticleFunctional Coverage Question
I have 2 coverpoints. Each coverpoint has auto generated bins as well as user-defined bins. In pseudo-code, I will describe them as follows: cp1: auto_bins, userdefined_bin0,...
View Articlehuman ordering sorting challenge for skill
Hi I've numerous times come across the issue of sorting strings in a more "human way of thinking fashion" I've played around with the different sorting predicates like 'lessp, 'alphaNumCmp,...
View ArticleOrcad Capture: Changing a homogenous symbol into a heterogene and add a part...
Dear forum, Is there a way to change a homogenous part to a heterogenous and add a part within it? What I would like to do is to edit say a 4 part gate, delete the (hidden) power pins, add a fifth...
View ArticleCadence distributed processing with SKILL
Hello,I have a skill code that i wish to run in distributed mode. The distributed processing user guide eloborates the setup of distributed mode option with OCEAN commands. does the same setup apply...
View ArticleUnable to get expected output
i am unable to get expected output for forward converter circuit of attached doc, becoz of transformer modeling(2 primaries and 1secodary) can anyone help me to model the transfomer.I tried to create...
View ArticleFree Viewer
Our company firewall blocks *.exe files and I cannot download the latest viewer file because of this. Is it available in a zip format somewhere else?
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