Intel® Quartus® Prime Software
Intel® Quartus® Prime Design Software, Design Entry, Synthesis, Simulation, Verification, Timing Analysis, System Design (Platform Designer, formerly Qsys)
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Quartus prime lite edition 20.1.1 gate level simulation

Siyeon
Beginner
966 Views

I want to perform gate level simulation in Quartus Prime Lite Edition.

After selecting "Tools → Run simulation tool → gate level simulation" and viewing the ModelSim waveforms, I noticed that the data arrives exactly on the clock edges.

It seems like the electron movement time is not being considered. I'm wondering if I made a wrong option selection or if timing information is not supported in this version.

I tried running a simulation with the following simple Verilog code.

module seq_model(b,rstb,clk,a);
  output reg b;
  input      rstb, a, clk;
  always @(posedge clk or negedge rstb)
    if(!rstb)
      b <= 0;
    else
      b <= a;
endmodule

 

I generated and provided all input signals directly in ModelSim for the simulation. The "clk" signal repeats every 10 ns, the "rstb" signal is 0 from 0 to 15 ns and 1 afterward, and the "a" signal follows a clock-like pattern repeating every 20 ns.

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sstrell
Honored Contributor III
945 Views

What is your target device?  Most current devices do not support gate level simulation.  To verify devices these days, it's recommended to use RTL simulation along with the results from the Quartus timing analyzer.

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ShengN_Intel
Employee
923 Views

Hi,


Check this link https://www.intel.com/content/www/us/en/docs/programmable/683080/22-1/simulation-levels.html

Note: Gate-level timing simulation of an entire design can be slow and should be avoided. Gate-level timing simulation is supported only for the Arria® II GX/GZ, Cyclone® IV, MAX® II, MAX® V, and Stratix® IV device families.. Use Timing Analyzer static timing analysis rather than gate-level timing simulation.


Thanks,

Best Regards,

Sheng


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ShengN_Intel
Employee
879 Views

Any further update or concern?


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Siyeon
Beginner
865 Views
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