Integrated Circuits: from Concept to Silicon
In the first four chapters we discussed the reasons for using an Application-Specific Integrated Circuit in a system, and the principles behind ASIC technology and design. There are several distinct ways of turning the system requirement into an IC, each with its own advantages and problems. The main aim of this book is to take the reader through a simple design, consisting of only a few hundred transistors and wires, using only one of these ‘routes’, to a silicon IC. It would be short-sighted to use an exercise based on only one approach to design without at least glancing at the range of alternatives. This chapter aims to give an overview of the three distinct approaches to LSI/VLSI design, without delving into some of the more esoteric hybrid methods.
KeywordsExpense Alan Polysilicon
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