Product Description: A reactive system is one that is in continual interaction with its environment and executes at a pace determined by that environment. Examples of reactive systems are network protocols, air-traffic control systems, industrial-process control systems etc...read more

Product Description: too vast, too complex, too grand ... for description. John Wesley Powell-1870 (discovering the Grand Canyon) VHDL is a big world. A beginner can be easily disappointed by the generality of this language. This generality is explained by the large number of domains covered - from specifications to logical simulation or synthesis...read more

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Product Description: Modeling in Analog Design highlights some of the most pressing issues in the use of modeling techniques for design of analogue circuits. Using models for circuit design gives designers the power to express directly the behaviour of parts of a circuit in addition to using other pre-defined components...read more

Product Description: Model Generation in Electronic Design covers a wide range of model applications and research. The book begins by describing a model generator to create component models. It goes on to discuss Asic design and Asic library generation...read more

Product Description: Models in system design follow the general tendency in electronics in terms of size, complexity and difficulty of maintenance. While a model should be a manageable representation of a system, this increasing complexity sometimes forces current CAD-tool designers and model writers to apply modeling techniques to the model itself...read more

Product Description: In system design, generation of high-level abstract models that can be closely associated with evolving lower-level models provides designers with the ability to incrementally `test' an evolving design against a model of a specification...read more

The VITAL specification addresses the issues of interoperability, backannotation and high performance simulation for sign-off quality ASIC libraries in VHDL. VITAL provides modeling guidelines and a set of pre-defined packages (containing pre-defined routines for modeling functionality and timing) to facilitate the acceleration of designs which use cells from a VITAL library. The VITAL Level-I guidelines constrain the modeling capabilities provided by VHDL in order to facilitate higher performance (Figure I). Accumulating "gains" Constrained "flexibility" Higher performance & Increased capacity Benefits Flexibility FujI VHDL 1076 Figure 1: VHDL and VITAL Even within the Level-I guidelines, there are several ways in which a model can be written. In this chapter, we highlight the various modeling trade-offs and provide guidelines which can be used for developing efficient models. We will also discuss the techniques that can be used by tool developers to accelerate the simulation of VIT AL­ based designs. 2.2. OVERVIEW OF A VITAL LEVEL-l ARCIDTECTURE The VITAL specification is versatile enough to support several modeling styles e.g., distributed delay style, pin-to-pin delay style etc. In general, a VITAL Level-I model can have the structure illustrated in Figure 2.

Product Description: Object-oriented techniques and languages have been proven to significantly increase engineering efficiency in software development. Many benefits are expected from their introduction into electronic modeling. Among them are better support for model reusability and flexibility, more efficient system modeling, and more possibilities in design space exploration and prototyping...read more

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Product Description: An open process of restandardization, conducted by the IEEE, has led to the definitions of the new VHDL standard. The changes make VHDL safer, more portable, and more powerful. VHDL also becomes bigger and more complete. The canonical simulator of VHDL is enriched by new mechanisms, the predefined environment is more complete, and the syntax is more regular and flexible...read more