presentation on basic vlsi.pptx

7/23/2019 PRESENTATION ON BASIC VLSI.pptx

1/16

PRESENTATION ON BASIC

VLSI


2/16

CONTENT


3/16

WHAT IS VLSI

Very-large-scale integration(VLSI) is the process of creating anintegrate circ!it(IC) "# co$"ining

tho!sans of transistorsinto a sing%echip&

'irst transistor in *+ ,ac- -i%"#

$ateria% !se of ger$in!$&

Secon transistor in ./ Ro"ert$ateria% !se of si%icon&
https://en.wikipedia.org/wiki/Integrated_circuithttps://en.wikipedia.org/wiki/Transistorshttps://en.wikipedia.org/wiki/Transistorshttps://en.wikipedia.org/wiki/Integrated_circuit


4/16

INTE0RATE1 CIRC2IT

Integrate Circ!it is the circ!it in3hich a%% the Passi4e an Acti4eco$ponents are fa"ricate onto a

sing%e chip& An Integrationtechnology 3as e4e%ope toincrease the n!$"er of co$ponents

that are to "e p%ace on a sing%echip& This Techno%og# not on%# he%peto re!ce the si5e of the e4ices "!t

a%so i$pro4e their spee&


5/16

1epening !pon the n!$"er ofco$ponent (transistor)

Small Scale Integration (SSI):In this Techno%og#6 7// Transistors 3ere fa"ricate on a sing%e chip& E870ates 6 '%ip9ops&

Medium Scale Integration (MSI):2sing this Techno%og#6 //7/// n!$"er of Transistors co!% "eintegrate on a sing%e chip& E87 : "it ;icroprocessors&

Large Scale IntegrationIn this Techno%og#6 ///7//// Transistors co!% "e integrate on asing%e chip& E87 + "it ;icroprocessors6 RA;6 RO;&

Very Large Scale Integration(VLSI):In this Techno%og#6 ////7 ;i%%ion Transistors co!% "e acco$$oate&Eg .7


6/16

Ultra Large Scale Integration(ULSI):In this Techno%og#6 ;i%%ion7/ ;i%%ion

Transistors co!% "e acco$$oate& Eg

Specia% P!rpose Registers&

Giant Scale Integration (GSI):In this Techno%og# $ore than / ;i%%ion

Transistors co!% "e acco$$oate& EgE$"ee S#ste$s&


7/16

A1VANTA0ES O' VLSI

& Re!ces the Si5e of Circ!its&=& Re!ces the e>ecti4e cost of thee4ices&


8/16

2SES O' VLSI

In toa#@s 3or% VLSI chips are 3ie%#!se in 4ario!s "ranches of Engineering%i-e

Voice an 1ata Co$$!nication net3or-s1igita% Signa% ProcessingCo$p!tersCo$$ercia% E%ectronicsA!to$o"i%es;eicine an $an# $ore&
http://www.techulator.com/articles/Computer-Hardwares.aspxhttp://www.techulator.com/articles/Automobiles.aspxhttp://www.techulator.com/articles/Automobiles.aspxhttp://www.techulator.com/articles/Computer-Hardwares.aspx


9/16

TPES O' IC

Linear ICs are !se in cases 3hen there%ationship "et3een the inp!t an o!tp!t of acirc!it is %inear& An i$portant app%ication of %inearIC is the operationa% a$p%iDer co$$on%# referre

to as op7a$p&

1igita% integrate circ!it can contain %ogic gates6 9ip 9op 6 $!%tip%e8er & 1igita% IC is s$a%%er thesi5e6 higher spee 6an %o3 po3er issipation&

1igita% IC $a-e !se of /F an F on%# tooperate&


10/16

Three t#pes of c%assiDe VLSI

;ono%ithic integrate circ!it

Thin an thic- D%$ IC

H#"ri IC


11/16

;ono%ithic integrate circ!it

The 3or G$ono%ithic co$es fro$ the 0ree-3ors G$onos an G%ithos 3hich $eans Gsing%ean stone& As the na$e s!ggests6 $ono%ithic ICsrefer to a sing%e stone or a sing%e cr#sta%& The

sing%e cr#sta% refers to a sing%e chip of si%icon asthe se$icon!ctor $ateria%6 on top of 3hich a%%the acti4e an passi4e co$ponents neee areinterconnecte&

This is the "est $oe of $an!fact!ring IC as the#can "e $ae ientica%6 an pro!ces highre%ia"i%it#& The cost factor is a%so %o3 an can "e$an!fact!re in "!%- in 4er# %ess ti$e&


12/16

1iagra$ of $ono%ithic ic


13/16

2se of $ono%ithic IC

TV circ!it6 co$p!ter circ!it6 A$recei4ers 6 4o%tage reg!%ator6a$p%iDer an so on&

L;ITATIONS7

Lo3 po3er rating&

Co$ponent %i-e in!ctor cannot "efa"ricate to the ic


14/16

Thin an thic- D%$ integrate circ!it

Thic- an thin D%$ ICs are co$parati4e%#%arger than $ono%ithic ICs an s$a%%erthan iscrete circ!its& The# Dn their !se

in high po3er app%ications& Tho!gh it is a%itt%e %arge in si5e6 these ICs cannot "eintegrate 3ith transistors an ioes&S!ch e4ices ha4e to "e e8terna%%#

connecte on to its corresponing pins&Passi4e co$ponents %i-e resisters ancapacitors can "e integrate&


15/16

1iagra$ of thic- D%$ ic


16/16

H#"ri ic

presentation on basic vlsi.pptx

Documents