Behina group a startup intended for the design and multi. The capop model parameter specifies the model for the mosfet gate capacitances. Parameters that cannot be translated are listed in the. Advanced design system ads has been developed speci. This software and documentation contain confidential and proprietary information that is. Hspice tutorial university of california, berkeley. The hspice default search order for the g file is as follows. You can also store the output of hspice in an output file, as follows, hspice inputfile outputfile. All parameters need curly braces around them, this lets the compiler know that its a parameter. Spruiell, optimization error surfaces, metasoftware. This was meant to be a complete frontend simulation framework for virtuoso, but is just an ossbased netlister as of version 0. The software and documentation are furnished under a license agreement. Advanced design system 2002 netlist translator for spice and spectre february 2002. Advanced design system 2002 netlist translator for spice.
This list contains a total of 5 apps similar to hspice. Direct circuit optimization is involved in many ade tools such as cadence, ads, hspice, etc. The element statement defines the connectivity of the transistor and references the. Alternatives to hspice for windows, mac, linux, software as a service saas, web and more. This will set your path correctly and initialize some environment variables put. There are more than 5 other switch parameters that are used for selecting different model equations. We are working on the same tools which can optimize the circuit without any limitation. To use this, you prefix the node or element with the subcircuit call name. When measured parameters are given, hspice calculates the resistance, capacitance and inductance parameters using tem transmission line theory. Full details are in the meta software hspice manual. Note that m or m both represent milli or 10 3 in spice, not mega or 10 6 u or u micro or 10 6 and so on.
Ideal transformer see ideal transformer in the hspice simulation and analysis user guide. No dc path to ground op and dc this often happens with floating mosfet gates. In order to simulate systems, it is necessary to have a complete description of the system and all of its components. Another tip is to check the netlist by going to viewspice netlist to see what spice code the graphical interface is compiling the. In hspice rf, you can run a parameter sweep around a single analysis, but. If some parameters are redundant hspice guesses which are most likely to be accurate and. A good way to learn hspice and metawaves is to simulate example files provided by meta software. Parameters that can be varied include a voltage or current source, temperature, a global parameter or a model parameter. Measure statements in starhspice produce a type of parameter called a measurement parameter. Chapter 11 optimizing performance optimization, the automatic generation of model parameters and component values from a given set of electrical specifications or measured data, is available in star hspice. With a userdefined optimization program and a known circuit topology, starhspice automatically selects the design components and model parameters to meet dc, ac, and. You cannot parameterize a part of a model name, parameter or parameter value. Introduction simulation program with integrated circuit emphasis spice is a simulation tool.
The most prominent commercial versions of spice include hspice originally commercialized by ashawna and kim hailey of meta software, but now owned by synopsys and pspice now owned by cadence design systems. Tips for using hspice university of california, berkeley. Using hierarchical parameters to simplify simulation. Hspice simulation and analysis user guide version x2005. Global parameters use this entry to specify the global parameters that will be used within the hspice analysis context. Use parameters to expand the utility of a subcircuit. They often utilize multiobjective optimization tools and support circuits with as many parameters as the designer wants. Hello, its true that some spice simulators can read laplace models or even s parameters the current hspice only supports s parameters in ac, but not transient simulation. Ideal opamp see ideal opamp in the hspice simulation and analysis user guide.
Hspice is just a program that takes in a netlist a simple text. Ashawna hailey october 8, 1949 october 14, 2011, created the hspice program which large parts of the worldwide semiconductor industry use to simulate and design silicon chips. Chapter 11 optimizing performance optimization, the automatic generation of model parameters and component values from a given set of electrical specifications or measured data, is available in starhspice. The first commercial version of spice is ispice, an interactive version on a timeshare service, national css. Hspice is the industrys gold standard for accurate circuit simulation and offers foundrycertified mos device models with stateoftheart simulation and analysis algorithms.
The integrated circuit industry adopted spice quickly, and until commercial versions became well developed many ic design houses had. Hspice is an analog circuit simulator similar to berkeleys spice3 capable of performing. If this parameter is used many times in the code, we just need to change the value of the parameter only once and not at all places. Just add a resistor between the node and ground, or use the. Varying parameters during a cadence transient analysis.
Hspice parameters parameters in hspice are names that can be assigned numeric values. Hspice is one of spice variations commercialized by a company meta software merged with avant. The hspice mos level 6 model is based on the aspec, msinc, and ispice mosfet model equations and has been enhanced by meta software. Its simplest use is to assign a particular value at the beginning of hspice code. Although there were many free and powerful spice variations, hspice became a standard of accurate circuit simulator. Overview of mosfet models mosfet device definition mosfet device definition to define a mosfet device in your netlist, use both an element statement and a.
For element or node output variables defined as parameters, if the parameter name is longer than 16 characters, starhspice substitutes a 0 for the variable, issues a warning, and continues the analysis. Leda, mast, meta, metasoftware, modeltools, nanosim, openvera, pathmill. Spice includes the basic subcircuit but does not provide for the consistent naming of nodes. In general, the rules for measurement parameters are the same as the rules for standard parameters, with one exception. Hspice is one of spice variations commercialized by a.
This chapter provides the syntax and arguments for the hspice and hspicerf. Once you have the input file, you can run hspice by typing the following command at the unix prompt, hspice inputfilename. With a userdefined optimization program and a known circuit. In hspice simulation, to accurately calculate the drainsource junction capacitances, usually either ad, as, pd, ps parameters are specified by user or acm 0,1,2,3 parameter is specified in the model. With a userdefined optimization program and a known circuit topology, star hspice automatically selects the design components and model. This chapter provides the syntax and arguments for the hspice or hspicerf. Hspice generally has better convergence than spice3 and, because it is a commercial product from meta software, is better supported. Hspice is one of spice variations commercialized by a company meta software from engineerin vlsi at islamic azad university. It works by automatically creating the hspice views from the hspiced views, so that the cells can be netlisted with oss.
Starstarhspice provides a simple method for the naming of the subcircuit nodes and elements. Optimization, the automatic generation of model parameters and component values from a given set of electrical specifications or measured data, is available in starhspice. However, since i have to change two parameters together two times each, i have read here that at least on ltspiceiv that a workaround to my problem could be using something like this. For details about the hspice simulators global parameters and options, see the hspice. This software and documentation contain confidential and proprietary information. Scaling or changing of element and model parameters parameterization parameterization. Stack overflow for teams is a private, secure spot for you and your coworkers to find and share information. The entries are names that are associated with numeric values. The meaning of a parameter may depend on its location. Filter by license to discover only free or open source alternatives. This netlister can be used as a cheap replacement for virtuoso analog design environment netlister. Different versions of the model are invoked with the switch parameter update. Analysis and methods hspice version h92 meta software on.1216 615 169 1418 434 532 370 672 243 324 868 296 114 362 1099 825 959 188 47 396 1170 1273 477 616 690 213 1125 53 1005 237 411 901 966