You then create the mask layout for the design. This permits greater accuracy for simulation per net. The document page is loaded into your browser. Is there any problem? None of the above options can be used with PEEC extraction.
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You then create the mask layout for the design. This permits greater accuracy for simulation per net. The document page is loaded into your browser. Is there any problem? None of the above options can be used with PEEC extraction. The resistor nets are named by the original net with a numeric suffix and reconnected to resistor slivers, each represented by a resistor model. Substrate Extract provides two choices to perform substrate extraction.
For instance, you execute the following capgen command in the technology directory: Though not a prerequisite, attending the Assura? Its run time is dependent on the resolution of coefficient points you choose. Week 7 Lecture notes For excluding coupling capacitors between resistor segments belonging to the asura net. Does anyone know what the This form creates a control file called techRuleSets located in the technology directory: However, assura can not be started.
To observe the effect of parasitic devices on a signal across a net, choose another point on the same net close to a terminal of another device. Area DRC is also available to the user. Process time will increase sharply. Extracted View output has the following options: You specify a smaller step increment for smaller conductor widths and smaller conductor spacings, since capacitive changes associated with smaller dimensions is greater.
Powered by Atlassian Confluence 5. The material thicknesses, permittivity and sheet resistances all factor into the characterization of the physical design and its circuit performance during subsequent asxura. It sounds painful to me to use that approach when the extracted view approach is well integrated.
Return limited extraction assumes that global supplies act as local current returns. Uses a control file you specify by name: Temp Awsura provides a specific location for a large file repository while processing data. After performing these steps, save and close your user. This config view manages the views you use during simulation. C Cm2l3 avS vdd! In addition, the use of copper Cu and a low K dielectric replacing aluminum and SiO2, respectively have significant effects on performance as feature size is reduced.
These netlist outputs have the following options: In the event there are multiple nets connecting the same named shape, the majority net will be used.
You include parasitics by choosing views written by RCX. Setting this option to 0 is least accurate, 3 is most accurate. If necessary, read the assura Physical Verification Command Reference! RCX can use this name mapping file to backannotate parasitic element values to the correct schematic electrical nodes.
You will use the Virtuoso? Therefore, it is suggested you use Selected Nets extraction and careful placement of the user regions to help minimize the run time and netlist size. For running parasitic simulation, you typically open the config view as well as the schematic view so you can easily change the configuration as needed.
ASSURA COMMAND REFERENCE PDF
Shaktihn Add Explicit Vias segregates via resistance from the total resistance of the conductor and discretely displays the segregated via resistance in the extracted view or the output netlist. Mutual inductors K are expressed as coefficients either positive or negative, depending on respective conductor fracturing. The values listed approximate actual capacitance inside the cell for simulation. Let me know what the issues are with Calibre and see if I can help. Setting this option to 0 is least accurate, 3 is most accurate. Both parasitic self-inductors and mutual inductors are masked by -lextract. In processes with larger device sizes 0.