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Wednesday, September 1, 2010

Very Llarge Scale Integration

Very Llarge Scale Integration

ABSTRACT

               VLSI stands for very large scale integration. It is the process of placing thousands (or hundred of thousands) of electronic components on a single chip.  VLSI allows manufactures to fabricate a CPU, main memory or even all the electronic circuits of a computer, on a single I.C. that can be mass produced  at very low cost. Electronics, as we know it today is characterized by high reliability, low power, extremely low weight Volume & low cost. There are many advantages of VLSI such as Reduction in size, power, design cycle time, design security, easy upgradation, low cost, remote programmability & long time in market.

               In the family of VLSI it consists of PLDs, ASICs & EDA tools, HDLs today are used to describe hardware for the purpose of Modeling, simulation, Synthesis, verification & Documentation. In VLSI the basic circuit is constructed using a hardware description language such as VHDL or VERILOG. The programmable logic application in VLSI is SPLD, CPLD & FPGA.
                

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