What is post simulation? IC imitation simulation flow introduction

After the simulation is done after the Layout passed the DRC and LVS, the netlist extracted from the simulation can accurately evaluate the speed of the circuit, as well as the impact of parasitic parameters. If the results of the post simulation do not meet the requirements, then the device parameters or even the circuit form must be readjusted. Of course, satisfactory post simulation results do not guarantee the final chip results.

step

1. Create a SchemaTIc file, such as Inv.

Note: When adding components, use the CDF parameter. You must also have the ivpcell view. If you do not have an existing library, you must create it yourself. If the model parameter in the CDF is determined, it should be set as the default.

2. Generate the Inv symbol view after the SchemaTIc completes.

3. Call the symbol generated above to create another new simulation using SchemaTIc, Test-Inv. Call Analog ArTIst and simulate this line.

4. Create Inv Schematic layout files.

5. Perform DRC inspection.

6. Extract the Extractor. (parasitic parameters are extracted here), the specific file writing see DIVA introduction.

7. Do LVS.

8. In Analog Artist, reset it and perform post simulation.

What is post simulation? IC imitation simulation flow introduction

The previous steps should all be familiar, the following describes the settings of Analog Artist.

Select the Environment item in the Setup menu.

A dialog will pop up as follows. In this dialog you can control Analog Artist's many parameters.

What we want to change is the Switch View List line, which represents the type of file the simulator will simulate. The default setting does not have the Extracted file type, but add it.

Add extracted in front of Schematic and OK. At this point, no matter what type of simulation you do, you will first look for an extracted file.

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This DC Source System output current is up to 324A max by connecting the internal single unit rack mount DC Power Supply in parallel. Output voltage is up to 750VDC max (recommend not to exceed 800V) by connecting the internal single unit in series.

Some features of these adjustable dc power supply as below:


  • With accurate voltage and current measurement capability.
  • Coded Knob, multifunctional keyboard.
  • Standard RS232/RS485/USB/LAN communication interfaces, GPIB is optional.
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  • Equips with LIST waveform editing function.
  • Use the Standard Commands for Programmable Instrumentation(SCPI) communication protocol.
  • Have obtained CE certification.

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