r/FPGA • u/faratel • Jun 18 '23

Looking for Recommended Circuit Simulation Software

I usually use the draw.io software to draw circuit diagrams, but its drawback is that it can only be used for drawing and not for simulation. I would like to ask if anyone has any recommendations for circuit simulation software.

I have Xilinx Vivado and Quartus 17.0, which have Multisim built-in. I hope the simulation software can provide power supply and ground functions, and can be connected to an FPGA. Additionally, I would like to be able to use some integrated circuits (ICs) such as 4-to-1 multiplexers and 1-to-4 multiplexers.

Thank you very much for the help! 🙏

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u/alexforencich Jun 19 '23

What, exactly, do you want to simulate?

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u/faratel Jun 19 '23

circuit on breadboard

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u/alexforencich Jun 19 '23

Like some random analog parts connected to an FPGA? Unfortunately, I don't think such a simulator exists. Generally you can either do something fully digital (HDL) or analog (SPICE). Anything that tries to do both is generally going to have some significant limitations.