Is there any open source software for CMOS based circuit layout design for some academic purpose?
LT spice. It's not only opensource but also low in disk space.
Go to the link below to download. https://www.analog.com/en/design-center/design-tools-and-calculators/ltspice-simulator.html#
Glade (from Peardrop Design Systems) is a good example.
As an instructor, I benefited from it in my VLSI classes and students' projects.
It is updated frequently. So you can use an updated version if you like.
There are many nice features... More than enough from an open source software.
Honestly speaking, I think it needs some more time and effort from the technical crew to be more mature. But I am patient. :)
(From time to time I experienced some problems but it may be because of my computer. I did not hear similar comments from other people, so I cannot blame the software)
Nevertheless, I will continue to use it. It's not perfect but I liked it since it's easy to install and dictates almost no special technical requirements for the computer.
The GUI design is similar to other programs like Cadence Virtuoso. So, you can get used to it very quickly.
Best regards...
https://peardrop.co.uk/
https://www.softpedia.com/get/Science-CAD/Glade.shtml
for open-source chip design, most of the engineers use magic layout tool
link:-http://opencircuitdesign.com/magic/
Dear Suman Lata Tripathi ,
Hope you are well!
In addition to the suggestions of the colleagues , I think one of the most appropriate IC lay out free tool is LASI.
Please follow the link:https://lasihomesite.com/
Best wishes
You can use Electric which works in windows OS itself.
Suman Lata Tripathi
According to my knowledge, there is a limited edition of "Microwind", which I tried some years ago, its sufficient and easy to use for most designs.
https://www.microwind.net/
There is also "Magic VLSI"
http://opencircuitdesign.com/magic/
And "Electric":
https://www.staticfreesoft.com/index.html
I don't know about Tanner L-edit ,but there could be a free version
You can see this discussion for other options:
https://www.researchgate.net/post/What-is-the-best-software-for-VLSI-IC-chip-layout-designing
Yes Ma'am There is open source Tool For CMOS Design in Layout is using "Tanner EDA" Software with Basic 250 nm technology
Suman Lata Tripathi Boualem Djezzar
Klayout is also good.
https://www.klayout.de/
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