VHDL: Hardware Description and Design

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Springer Science & Business Media, Jun 30, 1989 - Computers - 299 pages
VHDL is a comprehensive language that allows a user to deal with design complexity. Design, and the data representing a design, are complex by the very nature of a modern digital system constructed from VLSI chips. VHDL is the first language to allow one to capture all the nuances of that complexity, and to effectively manage the data and the design process. As this book shows, VHDL is not by its nature a complex language. In 1980, the U. S. Government launched a very aggressive effort to advance the state-of-the-art in silicon technology. The objective was to significantly enhance operating performance and circuit density for Very Large Scale Integration (VLSI) silicon chips. The U. S. Government realized that in order for contractors to be able to work together to develop VLSI products, to document the resulting designs, to be able to reuse the designs in future products, and to efficiently upgrade existing designs, they needed a common communication medium for the design data. They wanted the design descriptions to be computer readable and executable. They also recognized that with the high densities envisioned for the U. S. Government's Very High Speed Integrated Circuit (VHSIC) chips and the large systems required in future procurements, a means of streamlining the design process and managing the large volumes of design data was required. Thus was born the concept of a standard hardware design and description language to solve all of these problems.
 

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Font of the code is too similar to the text font... is difficult understand where is code and where is text.

Contents

Introduction
1
A Model of Hardware
7
Basics
17
Behavioral Description
65
Structural Description
107
Large Scale Design
145
A Complete Example
177
Advanced Features
209
VHDL in Use
233
Appendix A Predefined Environment
261
Appendix B VHDL Syntax
273
Suggested Reading
293
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