PSpice User Guide

PSpice User Guide

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PSpice User Guide Setting up analyses and starting simulation October 2019 437 Product Version 17.4-2019 © 1999-2019 All Rights Reserved. The hierarchical netlist preserves the hierarchical information in any subcircuit (child) schematics. It contains a single .SUBCKT definition for each child schematic. The devices in the subcircuit are therefore netlisted only once. Each instance of the hierarchical part or block is then netlisted as an instance of that subcircuit (as an "X" device). The subcircuit name corresponds to the name of the subcircuit (child) schematic. Hierarchical netlists are especially useful to IC designers who want to perform Layout vs. Schematic (LVS) verification because they are more accurate descriptions of the true circuit. The hierarchical netlist format supports LVS tools such as Dracula. Using netlisting templates In OrCAD Capture and Design Entry HDL, the PSPICETEMPLATE property specifies how primitive parts are described in the simulation netlist. It defines the pin order and which other part property values to include in the netlist. Only parts with a PSPICETEMPLATE property are included in the simulation. In the process of creating the netlist, buses, connectors, and so on, are resolved. An alternate template option is provided which allows you to define which netlisting template property to use. This option applies to both flat and hierarchical netlists. With this option, you may specify a particular netlist template for generating netlists that can be used by other simulation tools, for example, or for creating alternate PSpice netlists that contain different part descriptions. To learn more about using alternate netlist templates, see Specifying alternate netlist templates in Capture on page 448. Running PSpice Netlister in Design Entry HDL When you run the PSpice netlister in Design Entry HDL, the $PSPICE_LOCATION attribute is added to the components in addition to the $LOCATION attribute. To view $PSPICE_LOCATION, select the Display PSpice Names option of the PSpice Simulator menu. 1. Depending on the license available, you will access either PSpice or PSpice Simulator.

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