hspice book hspice ch01 1 Thu Jul 23 19 10 43 1998 Chapter 1 Introducing Star Hspice The Star Hspice optimizing analog circuit simulator is Avant s industrial grade circuit analysis product for the simulation of electrical circuits in steady state transient and frequency domains Circuits are accurately simulated analyzed and optimized from DC to microwave frequencies greater than 100 GHz Star Hspice is ideal for cell design and process modeling and is the tool of choice for signal integrity and transmission line analysis This chapter covers the following topics Star Hspice Applications Star Hspice Features Star Hspice Manual Release 1998 2 1 1 hspice book hspice ch01 2 Thu Jul 23 19 10 43 1998 Star Hspice Applications Introducing Star Hspice Star Hspice Applications Star Hspice is unequalled for fast accurate circuit and behavioral simulation It facilitates circuit level analysis of performance and yield utilizing Monte Carlo worst case parametric sweep and data table sweep analysis while employing the most reliable automatic convergence capability Star Hspice forms the cornerstone of a suite of Avant tools and services that allow accurate calibration of logic and circuit model libraries to actual silicon performance The size of the circuits simulated by Star Hspice is limited only by the virtual memory of the computer being used Star Hspice software is optimized for each computer platform with interfaces available to a variety of design frameworks 1 2 Star Hspice Manual Release 1998 2 hspice book hspice ch01 3 Thu Jul 23 19 10 43 1998 Introducing Star Hspice Star Hspice Features Star Hspice Features Transmission Line Monte Carlo Worst Case Analysis Signal Integrity Star Hspice Circuit Cell Optimization Photocurrent Radiation Effects Incremental Optimization Cell Characterization AC DC Transient Figure 1 1 Star Hspice Design Features Star Hspice is compatible with most SPICE variations and has the following additional features Superior convergence Accurate modeling including many foundry models Hierarchical node naming and reference Circuit optimization for models and cells with incremental or simultaneous multiparameter optimizations in AC DC and transient simulations Interpreted Monte Carlo and worst case design support Input output and behavioral algebraics for parameterizable cells Cell characterization tools for calibrating library models for higher level logic simulators Star Hspice Manual Release 1998 2 1 3 hspice book hspice ch01 4 Thu Jul 23 19 10 43 1998 Star Hspice Features Introducing Star Hspice Geometric lossy coupled transmission lines for PCB multi chip package and IC technologies Discrete component pin package and vendor IC libraries AvanWaves interactive waveform graphing and analysis from multiple simulations Parametric Operating Point Pole Zero Monte Carlo Optimization Monte Carlo Star Hspice Data Driven Transient Frequency Monte Carlo S parameter Optimization Monte Carlo Data Driven Optimization Mixed AC Transient Data Driven Figure 1 2 Star Hspice Circuit Analysis Types 1 4 Star Hspice Manual Release 1998 2 hspice book hspice ch01 5 Thu Jul 23 19 10 43 1998 Introducing Star Hspice Star Hspice Features 40 Industrial and Academic Models AT T UserDefined SPICE Magnetics MOS BJT Lossy Transmission Lines Mixed Signal UserDefined Star Hspice Diode Tunnel Diode JFET GaAsFET UserDefined Figure 1 3 Star Hspice Modeling Technologies Simulation at the integrated circuit level and at the system level requires careful planning of the organization and interaction between transistor models and subcircuits Methods that worked for small circuits might have too many limitations when applied to higher level simulations You can organize simulation circuits and models to run using the following StarHspice features Explicit include files INC statement Implicit include files OPTION SEARCH lib directory Algebraics and parameters for devices and models PARAM statement Parameter library files LIB statement Automatic model selector LMIN LMAX WMIN WMAX model parameters Parameter sweep SWEEP analysis statement Statistical analysis SWEEP MONTE analysis statement Star Hspice Manual Release 1998 2 1 5 hspice book hspice ch01 Star Hspice Features 1 6 6 Thu Jul 23 19 10 43 1998 Introducing Star Hspice Star Hspice Manual Release 1998 2