RSIM: a circuit simulation program for VLSI interconnect networks

Article Abstract:

This paper describes RSIM, a circuit simulation tool for the analysis and design of power supply routing in VLSI digital circuits. A review of existing VLSI solution techniques is made to show the development of RSIM. The program simulates the distributed power supply voltages and currents, and the resulting noise margins and operational reliability environments. The input structure of RSIM allows for easy entry of circuit design and facilitates parameter changes. Examples show a speed improvement of more than 500% over that of the widely used SPICE program. RSIM can handle much larger circuits than SPICE. RSIM output has proven to give accurate results in the analysis of power supply noise margins in large circuits. (Reprinted by permission of the publisher.)

Circuit design, Manufacturing, Technology, Very large scale integration, Electric potential, Power supplies (Computers), CAD/CAM, Routing, Power Supply, Voltage, Very-Large-Scale Integration, technical

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Simulation of a Three-Dimensional Semiconductor Device

Article Abstract:

A numerical, three-dimensional model of a semiconductor device has proven to be a useful tool in analyzing such small-geometry devices. Diagrams are presented which illustrate the length and width cross- section of the semiconductor and three-dimensional graphics are used to show the surface potential and threshold voltage. The three- dimensional steady-state model of the semiconductor consists of a set of coupled, nonlinear partial differential equations.

Semiconductor devices, Electronic components, Electronics, Mathematical models, Three dimensional graphics, Models, Nonlinear Algebra, Analytical Techniques, Semiconductor Device, Three-Dimensional Graphics

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