Switch Level Timing Simulation Of Mos Vlsi Circuits
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Switch-Level Timing Simulation of MOS VLSI Circuits
Author: Vasant B. Rao
language: en
Publisher: Springer Science & Business Media
Release Date: 2012-12-06
Only two decades ago most electronic circuits were designed with a slide-rule, and the designs were verified using breadboard techniques. Simulation tools were a research curiosity and in general were mistrusted by most designers and test engineers. In those days the programs were not user friendly, models were inadequate, and the algorithms were not very robust. The demand for simulation tools has been driven by the increasing complexity of integrated circuits and systems, and it has been aided by the rapid decrease in the cost of com puting that has occurred over the past several decades. Today a wide range of tools exist for analYSiS, deSign, and verification, and expert systems and synthesis tools are rapidly emerging. In this book only one aspect of the analysis and design process is examined. but it is a very important aspect that has received much attention over the years. It is the problem of accurate circuit and timing simulation.
ASIC System Design with VHDL: A Paradigm
Author: Steven S. Leung
language: en
Publisher: Springer Science & Business Media
Release Date: 2012-12-06
Beginning in the mid 1980's, VLSI technology had begun to advance in two directions. Pushing the limit of integration, ULSI (Ultra Large Scale Integration) represents the frontier of the semiconductor processing technology in the campaign to conquer the submicron realm. The application of ULSI, however, is at present largely confined in the area of memory designs, and as such, its impact on traditional, microprocessor-based system design is modest. If advancement in this direction is merely a natural extrapolation from the previous integration generations, then the rise of ASIC (Application-Specific Integrated Circuit) is an unequivocal signal that a directional change in the discipline of system design is in effect. In contrast to ULSI, ASIC employs only well proven technology, and hence is usually at least one generation behind the most advanced processing technology. In spite of this apparent disadvantage, ASIC has become the mainstream of VLSI design and the technology base of numerous entrepreneurial opportunities ranging from PC clones to supercomputers. Unlike ULSI whose complexity can be hidden inside a memory chip or a standard component and thus can be accommodated by traditional system design methods, ASIC requires system designers to master a much larger body of knowledge spanning from processing technology and circuit techniques to architecture principles and algorithm characteristics. Integrating knowledge in these various areas has become the precondition for integrating devices and functions into an ASIC chip in a market-oriented environment. But knowledge is of two kinds.
The MIPS-X RISC Microprocessor
Author: Paul Chow
language: en
Publisher: Springer Science & Business Media
Release Date: 2013-03-09
The first Stanford MIPS project started as a special graduate course in 1981. That project produced working silicon in 1983 and a prototype for running small programs in early 1984. After that, we declared it a success and decided to move on to the next project-MIPS-X. This book is the final and complete word on MIPS-X. The initial design of MIPS-X was formulated in 1984 beginning in the Spring. At that time, we were unsure that RISe technology was going to have the industrial impact that we felt it should. We also knew of a number of architectural and implementation flaws in the Stanford MIPS machine. We believed that a new processor could achieve a performance level of over 10 times a VAX 11/780, and that a microprocessor of this performance level would convince academic skeptics of the value of the RISe approach. We were concerned that the flaws in the original RISe design might overshadow the core ideas, or that attempts to industrialize the technology would repeat the mistakes of the first generation designs. MIPS-X was targeted to eliminate the flaws in the first generation de signs and to boost the performance level by over a factor of five.