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rfic [2018/11/23 22:19] vsaxena [90nm CMOS Models] |
rfic [2018/11/23 22:26] (current) vsaxena [Setting up Cadence Libraries] |
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| - | All work by the user should be performed in this circuit design directory. | + | All work by the user should be performed in this circuit design directory. You can start Cadence Virtuoso by using the following command in your work directory. |
| - | 2) We will use the **45nm CMOS GPDK** from Cadence in this course. Create a "cds.lib" file. Using any text editor the following entry should be put in the cds.lib file: | + | <code> |
| + | virtuoso & | ||
| + | </code> | ||
| + | |||
| + | |||
| + | <note important>You should always start virtuoso in you ece513 course directory. </note> | ||
| + | |||
| + | |||
| + | ===== Creating a new Library ===== | ||
| + | |||
| + | The Library techfile contains all required techfile information. | ||
| + | |||
| + | To create a new library that uses an attached techfile, use the command **File->New->Library** from either the CIW or library manager and select the **Attach to an existing techfile** option. | ||
| + | |||
| + | For 45nm CMOS, select the **gpdk045** library when asked for the name of the Attach To Technology Library. | ||
| + | |||
| + | When using model files directly (such as 90nm CMOS in this course), select the default **cdsDefTechLib** library when prompted to Attach To Technology Library. | ||
| + | ===== Simulation Models ===== | ||
| + | |||
| + | ==== 45nm CMOS Models ==== | ||
| + | |||
| + | 1) Create a "cds.lib" file. Using any text editor the following entry should be put in the cds.lib file: | ||
| <code> | <code> | ||
| Line 42: | Line 63: | ||
| </code> | </code> | ||
| - | 3) Use the command in the terminal to create a softlink to the models directory | + | 2) Use the command in the terminal to create a softlink to the models directory |
| <code> | <code> | ||
| Line 48: | Line 69: | ||
| </code> | </code> | ||
| - | 4) You should be ready to start Cadence Virtuoso now! | + | 3) You should be ready to start Cadence Virtuoso now! |
| <code> | <code> | ||
| Line 54: | Line 75: | ||
| </code> | </code> | ||
| - | + | 4) You can find the PDK documentation at | |
| - | <note important>You should always start virtuoso in you ece513 course directory. </note> | + | |
| - | + | ||
| - | 5) You can find the PDK documentation at | + | |
| <code> | <code> | ||
| /home/vsaxena/pdk/gpdk045_v_5_0/docs | /home/vsaxena/pdk/gpdk045_v_5_0/docs | ||
| </code> | </code> | ||
| - | ===== Creating a new Library ===== | ||
| - | The GPDK045 Library techfile will be designated as the master techfile. This techfile will contain all required techfile information. | ||
| - | |||
| - | To create a new library that uses an attached techfile, use the command **File->New->Library** from either the CIW or library manager and select the **Attach to an existing techfile** option. Select the gpdk045 library | ||
| - | when asked for the name of the Attach To Technology Library. | ||
| - | ===== Simulation Models ===== | ||
| - | |||
| - | ==== 45nm CMOS Models ==== | ||
| If you have setup everything correctly, simulation models should be automatically loaded. However, they can be found at: | If you have setup everything correctly, simulation models should be automatically loaded. However, they can be found at: | ||
rfic.1543011589.txt.gz · Last modified: 2018/11/23 22:19 by vsaxena
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