vlsi design ppt

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1 Concepts in VLSI Design Presented by Arun Garg 2510096 UIET KUK

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Page 1: VLSI DESIGN PPT

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Concepts in VLSI Design

Presented by Arun Garg 2510096

UIET KUK

Page 2: VLSI DESIGN PPT

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VLSI

Very-large-scale integration (VLSI) is the process of creating integrated circuits by combining thousands of transistors into a single chip. VLSI began in the 1970s when complex semiconductor and communication technologies were being developed. The microprocessor is a VLSI device.

Page 3: VLSI DESIGN PPT

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MOS TRANSISTOR

Mos transistor is the basic semiconductor device used in vlsi designs.

N CHANNEL MOSFET-

P CHANNEL MOSFET-

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VGS VT

RonS D

A Switch!

|VGS|

An MOS Transistor

What is a transistor (Digital Definition)

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Transistor symbols and switch-level models

Page 6: VLSI DESIGN PPT

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CMOS INVERTER

OutIn

VDD

PMOS

NMOS

VDD VDD

VIn= 1 VIn =0

=10

VoutVout

Rn

Rp

Page 7: VLSI DESIGN PPT

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SERIES AND PARALLEL

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PULL UP AND PULL DOWN NETWORK

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OUTPUT STATE OF CMOS LOGIC

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NAND GATE

OUT=A.B

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NOR GATE

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COMPOUND GATES

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Complex CMOS Gate

OUT = D + A • (B + C)

D

A

B C

D

A

B

C

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Summary

It was a big talk At last it finished Now I Want to enjoy Sunday