• April 25, 2019

Many of the levels are shown pictorially in the Gajski/Kuhn chart. Although VHDL does not support system description at the physical/geometry level of. Historical Perspective: Gajski and Kuhn’s Y-chart. • In Gajski and Kuhn’s Y- chart, each axis represents a view of a model: behavioral, structural, or physical view. Gajski-Kuhn chart – also known as Y-chart represents 3 views of a hardware design model. I am not sure how much this is applied practically. A good practice in.

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Daniel Gajski and Robert Kuhn developed it in In the structural view, this is displayed with gates and flip-flops. This is perceived by the three domains of behaviour, structure, and the layout that goes top-down to more detailed abstraction levels.

In the geometric domain, the logical level is described by standard cells.

Gajski and Kuhn’s Y Chart

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Each of the domains can be divided into levels of abstraction, using concentric rings. In the structural domain, blocks like ALUs are in use. Along these axis, the abstraction levels that describe the degree of abstraction.


Oder frag auf Deutsch auf TeXwelt. The outer shells are generalisations, the inner ones refinements of the same subject. The register-transfer level RTL is a more detailed abstraction level on which the behaviour between yy registers and logic units is described.

This page was last edited on 10 Octoberat Retrieved from ” https: Blocks used in the structure domain are CPUsmemory chipetc. By using this site, you agree to the Terms of Use and Privacy Policy. In the geometric view, the design step of the floorplan is located.

The Gajski-Kuhn Y-chart is a model which captures the considerations in designing semiconductor devices.

Gajski-Kuhn chart – Wikipedia

Creating a physical description from a structural one is achieved through layout synthesis. Computer engineering Electronic design gajxki Diagrams. Here, data structures and data flows are defined. The three domains of the Gajski-Kuhn Y-chart are on radial axes. For the behavioural gxjski, block diagrams are used by making abstractions of signals and their time response. The logical level is described in the behaviour perspective by boolean equations.

On the system levelbasic properties of an electronic system are determined.

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Gajski and Kuhn’s Y Chart

Ti k Z Community Weblog. Creating a structural description from gajaki behavioural one is achieved through the processes of high-level synthesis or logical synthesis.


The algorithmic level is defined by the gajskii of concurrent algorithms signals, loops, variables, assignments. The issue in hardware development is most often a top-down design problem.

At the top level outer ringwe consider the architecture of the chip; at the lower levels inner ringswe successively refine the design into finer detailed implementation:. InRobert Walker and Donald Thomas refined it. Languages Deutsch Edit links. At the top level outer ringwe consider the architecture of the chip; at the lower levels inner ringswe successively refine the design into finer detailed implementation: Features Coordinate systems 8 Tags Charts 23 Scientific and technical areas Computer science fhart Electrical engineering Generally, the design process is not following a specific sequence in this diagram.

The behaviour of the circuit level is described by mathematics using differential equations or logical equations. This corresponds to transistors and capacitors up to crystal lattices. The designer can select one of the perspectives and then switch from one view to another. According to this model, the development of hardware is perceived within three dhart that are depicted as three axis and produce chat Y.