Hi all, I've been playing with magic and klayout for a while now and I see differences in the DRC results with the files provided. Klayout seems to be much more permissive than the rules supplied for magic. To further confuse things I've also found https://github.com/laurentc2/SKY130_for_KLayout which looks like it has a more complete set of rules than those provided for either magic or klayout. So, which set of rules should I use to stand the best chance of getting a layout that will actually work?

Hi, can I create a symbol in XSCHEM for .*spice not for .sch?

Is there a document contain the technology parameters of mosfets of sky130 like uncox , lambda , etc. ? please provide a link.

hi, now I'm getting this error in my project in open lane "[ERROR]: There are hold violations in the design at the typical corner", this error point me to a file with the timings. What I need to change to fix the hold violation error?, increment target density, bigger chip, etc ..

How can I make my own vector in ngspice? I want to alter the width, run dc then plot gm vs width (in one plot)?

What kind of cost would one be looking at to actually produce chips (like order of magnitude, not asking for a formal quote) ? Imagine, an OSS design, selected for the google shuttle, chips comes back, they work awesomely and now I want to build more.

Does anyone know of a good open-source 2D field solver? If it can handle dielectric interfaces that would be ideal

Hi, I am facing issue while running yosys synthesis with latest openroad flow scripts for my ethernet design. Error shown below: 41. Executing TECHMAP pass (map to technology primitives). 41.1. Executing Verilog-2005 frontend: ./platforms/asap7/yoSys/cells_latch.v 41.2. Continuing TECHMAP pass. 42. Executing DFFLIBMAP pass (mapping DFF cells to sequential cells from liberty file). 42.1. Executing DFFLEGALIZE pass (convert FFs to types supported by the target). ERROR: FF eth_top.$auto$simplemap.cc:527:simplemap_adff_sdff$26021 (type $_DFF_PP0_) cannot be legalized: dffs with async set or reset are not supported Command exited with non-zero status 1 Any suggestion how to fix it?

Hello, I encountered an LVS error. It seems the error is related to mismatched pin names of MOSFETs. Done anyone know how to solve it?

Hi, I'm trying to find out what the parameters ng and m mean in the mos models of sky130. I believe they represent gate fingers and multipliers respectively, but I just can't be sure, and I can't find much info about it on the internet. Edit: Additionally, I would also like to know the upper/lower limits on these parameters, if possible. A source that directs me to those parameters works as well.