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TopSpice is an affordable integrated computer-aided circuit design software package offering advanced native mixed-mode mixed-signal analog/digital/behavioral simulation based on the industry standard SPICE simulator program.

TopSpice is a true analog/digital/behavioral mixed-mode circuit simulator for the PC. It offers the most advanced SPICE simulator in its price range, compatibility, and an easy to use integrated design environment from schematic capture to graphical waveform analysis.

With TopSpice you have the choice to design from schematic drawings, text netlist (SPICE) files or both. All design and simulation functions are available from either the schematic or netlist editor front-ends.

TopSpice includes a native full-featured mixed-mode mixed-signal circuit simulator capable of simulating circuits containing any arbitrary combination of analog devices, digital functions and high-level behavioral blocks. With TopSpice you can verify and optimize your design from the system to the transistor level. By using the built-in logic simulator to simulate the digital sections of your circuit instead of analog equivalents, mixed-mode simulation times can be reduced by orders of magnitude.

TopSpice offers industry standard PSpice and HSPICE compatible* simulation. TopSpice works with most PSpice netlists, manufacturer SPICE model libraries and IC foundry HSPICE libraries.

FEATURES

Integrated design enviroment with schematic capture, simulation, waveform plotting and post-processor
Native mixed-mode mixed-signal simulation
Built-in event-driven logic simulator
Simulator supports large circuit sizes (up to available system resources)
Multiple/parallel simulation runs for the same circuit
Built-in device models: diode (levels 1 and 3), BJT (levels 1 and 4), MOSFET (levels 1, 2, 3, 7, 8, 44, 49, 53, 55), JFET, GaAs FET (levels 1, 2, 3, 6), MESFET, nonlinear magnetic core, ferroelectric capacitor, switch, lossy transmission line and digital primitives
Extensive model libraries of over 30,000 analog and digital components
Compatible with most PSpice netlists and manufacturer SPICE model libraries
IC foundry HSPICE model library support*
SMPS design model libraries
HSPICE compatible MOSFET "model binning"
Analog behavioral and frequency domain modeling
Analyses: bias point, DC sweep, transient, AC sweep, noise, distortion, sensitivity, transfer function, Fourier, temperature, Monte Carlo, worst case, parametric stepping, "alter" circuit
Advanced noise analysis functions
Interactive graphical post-processor with "auto plot"
Waveform expression plots
Powerful waveform, performance and statistical analysis functions
All design and simulation functions are available from either the schematic or netlist editor front-ends