ELECTRONICS COMPONENTS SALES AND SERVICE

VLSI LAYOUT DESIGN DEVELOPMENT TESTING




Corner stitching: A data-structuring technique for VLSI layout tools
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Abstract Comet stitching is a technique for representing rectangular two-dimensional objects. It is especially well suited for interactive VLSI layout editing systems. The data structure has two important features: first, empty space is represented explicitly; and second,

Minimizing the longest edge in a VLSI layout
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Abstract Recently, Paterson, Ruzzo, and Snyder demonstrated a better layout for complete binary trees than the well knownH-treelayout. Whereas the longest edge in the H-tree layout is S (/m), the longest edge in their linear-area layout is G (/n/log n) which is

VLSI layout based design optimization of a piezoresistive MEMS pressure sensors using COMSOL
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Structural Mechanics: Used for structural design of the model which includes pre-setting of subdomain consists of silicon as substrate/diaphragm and polysilicon as piezoresistor. Resultant deflection and stress are also studied. Material System: Uses anisotropic models

Placement techniques for VLSI layout using sequence-pair legalization
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Abstract This thesis considers the placement problem in VLSI layout which deals with layout optimization of integrated circuits. Most practical formulations of this problem are NP-hard. The most widely used formulations of this problem consider placement of rectangles within a

Extracting Geometry from FP for VLSI Layout
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The use of CAD tools has become essential in managing the complexity of designing a VLSI circuit. The design process entails going from a function describing the behavior of the circuit to an arrangement of colored polygons on a number of planes (artwork). To use these tools

VLSI layout synthesis
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Layout synthesis in VLSI chip design refers to the process of transforming the structural specification of a circuit in the form of modules and interconnects to detailed geometrical data and processing information for chip production. The two main tasks in layout synthesis

Parallel Network Primal-Dual Method on a Shared Memory Multiprocessor and a Unified Approach to VLSI Layout Compaction and Wire Balancing.
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Abstract We present a unified approach to the layout compaction and wire balancing problem. We show that the layout compaction problem can be solved by an algorithm which also solves the primal-dual initialization problem. We formulate the wire balancing problem

The evaluation of three-dimensional VLSI by studying the layout of interconnection networks
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In this paper, the Interconnection Networks are treated as a typical routing problem for VLSIlayout This can be regarded as a typical VLSIlayout problem, because it includes the well- known and difficult wire routing problem

A rule-based compactor for VLSI/CAD mask layout.
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Efficient Cellular Automata Algorithms for Planar Graph and VLSI Layout Homotopic Compaction
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Abstract: One-dimensional homotopic compaction is defined as; In a given routable layout, a layout of minimum width is reachable by operations that can move each module horizontally as a unit, also deform lines maintaining their connections and maintain their routability. This During ~he last years and decades enormous progress has been made in ~he developmen~ of very-large-scale integrated (VLSI) chips. Since ~he adven~ of ~he integrated circui~ in 1959, ~he number of ~ranaistors tha~ can be squeezed onto a chip has increasgd from one

Detecting VLSI Layout Connectivity Errors in a Query Window.
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Abstract The VLSI layout designing is a highly complex process and hence a layout is often subjected to Layout Verification that includes (a) Design Rule Checking to check if the layout satisfies various design rules and (b) Connectivity Extraction to check if the components of

Integrated placement and routing for VLSI layout synthesis and optimization
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Abstract This dissertation investigates ways to integrate various VLSI layout algorithms via carefully designed integrated data structures. Such an integrated approach can achieve better overall results by iterating non-sequentially among the various algorithms in a

Research in Design Automation for VLSI Layout 43
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integrated DA system employs a unified design language to cover all phases of VLSI circuit design, from the function level to the layout level. A Knowledge-Based Logic Design SystemTakao Uehara This The SYSTEMS, MAN, AND CYBERNETICS Society is an organization within the framework of the IEEE, with professional interest in the closely interrelated fields of man machine systems, systems science, systems engineering, and cybernetics. All members of the IEEE

SIMULTANEOUS ROUTING AND BUFFER INSERTION ALGORITHM FOR MINIMIZING INTERCONNECT DELAY IN VLSI LAYOUT DESIGN
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In deep submicron fabrication technology, transistors can now switch much faster, but wire resistances are now larger, and delay due to wires can exceed gate delay. Consequently, the interconnect delay is the dominant factor in the construction of wire routing in very large

Bounds on the VLSI Layout Complexity of Homogeneous
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Abstract In this paper we obtain bounds on the area and wire length required by VLSI layouts of homogeneous product networks uith any number of dimensions. The lower bounds are obtained by computing lower bounds on the bisection width and the crossing

A Genetic Approach for Area Reduction in VLSI Layout
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Abstract Very-large-scale-integration (VLSI) is defined as a technology that allows the construction and interconnection of large numbers (millions) of transistors on a single integrated circuit. Integrated circuit is a collection of one or more gates fabricated on a single

E cient Optimization by Modifying the Objective Function: Applications to Timing-Driven VLSI Layout
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Abstract When minimizing a given objective function is challenging because of, for example, combinatorial complexity or points of nondi erentiability, one can apply more e cient and easier-to-implement algorithms to modi ed versions of the function. In the ideal case, one

Recent Trends in the Application of Meta-Heuristics to VLSI Layout Design.
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Abstract. This paper browses through some well-known meta-heuristic search strategies, and briefly discusses some of their recent applications to the VLSI layout design process. It starts with very brief description of the different phases of VLSI layout design, and a brief

Technical Report: JBIG Compression Algorithms forDummy FillVLSI Layout Data
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Abstract Dummy fill is introduced into sparse regions of a VLSI layout to equalize the spatial density of the layout, improving uniformity of chemical-mechanical planarization (CMP). It is now well-known that dummy fill insertion for CMP uniformity changes the backend flow with

A Framework for Automatic Analysis of Geometrically Proximate Nets in VLSI Layout
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AbstractWe address the problem of automatic analysis of geometrically proximate nets in VLSI layout by presenting a framework (named FASCL) which supports pairwise analysis of nets based on a geometric kernel. The user can specify functions which use parameters

Applications of shortest path algorithms to VLSI layout problems
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SUMMARY Due to the natural interpretation of a circuit as a graph model, a lot of research has been done on efficiently applying graph-theoretic algorithms to VLSI layout problems. In this thesis, we study two such applications of classical shortest-path algorithms in the context

Efficient VLSI Layout of Grid Pyramid Networks
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ABSTRACT Reducing the VLSI layout area of on-chip networks can result in lower costs and better performance. Those layouts that are more compact can result in shorter wires and therefore the signal propagation through the wires will take place in less time. The grid-

An Introduction to the MAGIC VLSI Design Layout System
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Table 1 Revision and Change History for c:\my documents\word\school\general\magic_x3.doc Revision# Date Comments The MAGIC software package has been in use since the early 1990s for Very Large Scale Integration ( VLSI ) layout design and simulation

Yield improvement of VLSI layout using local design rules
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Abstract The demand for larger more complex systems on a single IC has shown a steady increase and to date has been met by improvements in fabrication technology. In the future it may not be possible to satisfy this demand in the same way, as it will become increasingly

FLAG, an FP based VLSI layout generator
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3 Design and Evaluation Experiments 3() 3.1 Simple Combinational Circuits . . . . 30 3.1.1 Exclusive-Or . 31 3.1.2 AND-OR. Networks . . . . 36 3.1.3 NAND Networks. . 41 3.1.4 Concluding Remarks

Using VHDL synthesis and VLSI layout tools for cost estimation of superscalar issue units
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This thesis describes the interfacing and use of VHSIC Hardware Design Language VHDL synthesis tools and Very Large Scale Integration VLSI layout tools to obtain and compare speed and area estimates for the issue unit of a superscalar processor. It also describes

A New Methodology for VLSI Layout
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Abstract: We propose a novel technique for solving the VLSI layout problem. The strategy is to recursively interconnect a set of modules, in conformity with the design rules. The basic step con sists of merging a pair of strongly-connected modules. An optimal algorithm for

Routing algorithms for channels, switchiboxed and MCMin VLSI layout design
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3.2.2 The proposed cost function 3,3 Heuristic Algorithm 3,3. l Method 3.3.2 Complexity of the algorithm 3,4 Experimental Results 4 Via Minimization in Channel Routing 5 6 4.1 Introduction 4.2 Layout Modification 4.3 Scope of Modification 4.4 Via Minimization Algorithm 4.5 Experimental

Layout Problem Optimization in VLSI Circuits Using Genetic Algorithm
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An Adaptive Parallel Genetic Algorithm for VLSILayout Optimization4th Int. Conf. on Parallel Problem Solving from

ELECTRONICS COMPONENTS SALES AND SERVICE-INTEGRATED CIRCUIT-ANALOG, DIGITAL, DSP, RF IC, WIRLESS IC, VLSI, CAPACITOR, RESISTOR, INDUCTOR, PCB, MODULE, SENSOR