Hi everyone,

I would like to develop a full open source RISCV-based System-On-Chip 
making use of free VLSI tools and PDKs (possibly making everything freely 
available). I have been playing with electric vlsi for some years but I 
never did anything serious with it besides playing with small designs and 
doing simple tests. On industry standard tools, however, I have been doing 
a couple of serious professional works and I have a reasonable 
understanding of the digital and analog flow.

I have a few questions regarding electric and my goal:

1) I'd like to know if electric could work well with distributed computing 
for physical synthesis and other computing intense work. For example, If I 
have a powerful workstation including several CPUs and such, would it 
correctly make use of the system's resources?

2) I have found some open source PDKs, but I could never find an answer 
whether they can produce a reliable layout and the relative foundry where 
it can be actually manufactured. I presume someone has already manufactured 
a design, possibly with MOSIS PDKs, using Electric? Any other suggestions 
are welcome. I have found a .18 library, but I would like to use sub-micron 
technologies 90nm, 65nm and 45nm. I guess listing as many open source PDKs 
related to a specific Foundry as I can would also help.

3) What about automated DFT in electric? Sure we can manually add some 
blocks at the RTL, but scan chains can be quite difficult to implement 
without useful information from the synthesized circuit. What about ATPGs? 
Are there any possibility to integrate these tools on electric? Or, are 
there any open source Test Tools? I've asked for the Lifting fault 
simulation tool but never got an answer back from the developers.  

4) Is there an SDC equivalent for Electric during logic and physical 
synthesis?  

5) Does anyone know where I can find an open source memory cell? Or a very 
cheap one which would include models for logic and electrical simulations?

I'm sure there are many other questions I'd like to add to this post, but 
it is best to keep it short for now.

Hope someone can help!

Regards,
Mauricio De Carvalho
 

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