Yogesh - VHDL & DIGITAL CIRCUIT DESIGN : THE BRIEF...

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VHDL & DIGITAL CIRCUIT DESIGN : THE BRIEF DESCRIPTION YOGESH SHARMA,PILANI yogesh7803@gmail.com Slides Available at : www.powerpointpresentationon.blogspot.com
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INTEGRAED CIRCUITES (IC) MEANING THAT ALL THE COMPONENTS IN THIS CIRCUITS ARE FABRICATED ON THE SAME “CHIP”. ICs HAVE BECOME A VITAL PART OF MODERN ELECTRONICS CIRCUITS DESIGN. THEY ARE USED IN THE COMPUTER INDUDTRY ,AUTOMOBILE INDUSTRY, HOME APPLIANCES, COMMUNICATION AND CONTROL SYSTEMS. ICs ARE OF TWO BASIC TYPES : DIGITAL IC’S LINEAR IC’S INTEGRATED CIRCUITS
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DIGITAL IC’S DIGITAL IC’ S ARE COMPLETE FUNCTIONING LOGIC NETWORK THAT EQUIVALENTS OF BASIC TRANSISTOR LOGIC CIRCUITS. THEY ARE USED TO FORM SUCH CIRCUITS AS GATE,COUNER,MUX, DEMUX, REGISTER,ETC. DIGITAL CIRCUITS CONCERNED WITH ONLY TWO LEVELS OF VOLTAGE “HIGH” AND “LOW”. DIGITAL CKTS ARE EASY TO DESIGN AND PRODUCE IN LARGE QUANTITIES AS LOW COST DEVICES. LINEAR IC’S LINEAR IC’S ARE EQUIVALENT OF DISCREAT TRANSISTER NETWORKS SUCH AS AMPLIFIER ,FILTER ,FREQUENCY MULTIPLIEAR AND MODULATORS. IT REQUIEARS EXTRA COMPONENTSFOR SATISFACTORY OPERATIONS. IN LINEAR CKTS THE OUTPUT OF ELECTRICAL SIGNALS VARY IN PROPORTION TO THE INPUT SIGNALS APPLIED. LINEAR CKTS ARE ALSO REFERRED TO AS ANALOG CIRCUITS.
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MOORE’S LAW MOORE WHO IS KNOWN AS “ FATHER OF PRINTER”. IN 1970 MOORE GAVE THE LAW WHICH IS KNOWN AS MOORE’S LAW. IT’S STATE THAT “ AFTER EACH 18\24 MONTHS THE NUMBER OF COMPONETS IS DOUBLEED IN IC . FOR EXAMPLE INTEL PROCESSOR P4 AFTER TWO YEARS LATER COMES CORE 2 DUAL ,BUT PROCSSOR DUAL CORE COMES IN JUST SIXTH MONTHS LATER SO THE AVERAGE IS 18 MONTHS. NOTE: IN VHDL COMBINATION CIRCUITS IS USED INSTEAD OF SEQUENTIAL CIRCUITS (ALSO KNOWN AS “FSM” ).
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PROCESSOR YEAR OF INTRODUCTION NUMBER OF TRANSISTORS INITIAL CLOCK SPEED 4004 1971 2300 108KHz 8008 1972 3500 200KHz 8080 1974 6000 2MHz 8085 1976 6500 5MHz 8086 1978 29000 5MHz 8088 1979 29000 5MHz 80286 1982 134000 8MHz 80386 1985 275000 16MHz 80486 1989 1.2M 25MHz PENTIUM 1993 3.1M 150MHz PENTIUM II 1997 8.8M 233MHz PENTIUM III 1999 9.5M 650MHz PENTIUM 4 2000 42M 1.4GHz DUAL CORE CORE 2 DUAL INTEL MICROPROCESSORS
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GENERATION OF INTEGRATED CIRCUITS TECHNOLOGY NO. OF TRANSISTER PER CHIP YEAR INVENTON OF TRANSISTOR 1 1947 DISCREATE COMPONENTS 1 1950 SMALL SCALE INTEGRATION 10 1961 MEDIUM SCALE INTEGRATION 100-1000 1966 LARGE SCALE INTEGRATION 1000-20,000 1971 VERY LARGE SCALE INTEGRATION 20,000-1,00,000 1980 ULTRA LARGE SCALE INTEGRATION 1,00,000-10,00,000 1990 GIANT SCALE INTEGRATION >10,00,000 2000
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VLSI DESIGN VLSI FRONT-END VLSI BACK –END VLSI (CODING) (FABRICATION\Physical [VHDL\VERILOG] Implimentation of Program)
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VLSI AN INTRODUCTION VLSI IS A PROCESS OF INTEGRATION OF MILLIONS OF TRANSISTOR IN A SINGLE CHIP .VLSI DESIGN INVOLVES ALL ASPECTS OF CREATING AN IC.
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This note was uploaded on 01/05/2012 for the course ECEN 212 taught by Professor Hamilton during the Fall '11 term at BYU.

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Yogesh - VHDL & DIGITAL CIRCUIT DESIGN : THE BRIEF...

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