Introduction To Cmos Vlsi Design-Books Pdf

Introduction to CMOS VLSI Design
13 Sep 2020 | 5 views | 0 downloads | 47 Pages | 1.08 MB

Share Pdf : Introduction To Cmos Vlsi Design

Download and Preview : Introduction To Cmos Vlsi Design

Report CopyRight/DMCA Form For : Introduction To Cmos Vlsi Design



Transcription

q Introduction, q Delay in a Logic Gate, q Multistage Logic Networks. q Choosing the Best Number of Stages, Logical Effort CMOS VLSI Design Slide 2. Introduction, q Chip designers face a bewildering array of choices. What is the best circuit topology for a function, How many stages of logic give least delay. How wide should the transistors be, q Logical effort is a method to make these decisions.
Uses a simple model of delay, Allows back of the envelope calculations. Helps make rapid comparisons between alternatives, Emphasizes remarkable symmetries. Logical Effort CMOS VLSI Design Slide 3, q Ben Bitdiddle is the memory designer for the Motoroil 68W86. an embedded automotive processor Help Ben design the. decoder for a register file, A 3 0 A 3 0, q Decoder specifications. 4 16 Decoder, Register File, 16 word register file.
Each word is 32 bits wide, Each bit presents load of 3 unit sized transistors. True and complementary address inputs A 3 0, Each input may drive 10 unit sized transistors. q Ben needs to decide, How many stages to use, How large should each gate be. How fast can decoder operate, Logical Effort CMOS VLSI Design Slide 4. Delay in a Logic Gate, q Express delays in process independent unit.
d 12 ps in 180 nm process, 40 ps in 0 6 m process, Logical Effort CMOS VLSI Design Slide 5. Delay in a Logic Gate, q Express delays in process independent unit. q Delay has two components, Logical Effort CMOS VLSI Design Slide 6. Delay in a Logic Gate, q Express delays in process independent unit. q Delay has two components, q Effort delay f gh a k a stage effort.
Again has two components, Logical Effort CMOS VLSI Design Slide 7. Delay in a Logic Gate, q Express delays in process independent unit. q Delay has two components, q Effort delay f gh a k a stage effort. Again has two components, q g logical effort, Measures relative ability of gate to deliver current. g 1 for inverter, Logical Effort CMOS VLSI Design Slide 8.
Delay in a Logic Gate, q Express delays in process independent unit. q Delay has two components, q Effort delay f gh a k a stage effort. Again has two components, q h electrical effort Cout Cin. Ratio of output to input capacitance, Sometimes called fanout. Logical Effort CMOS VLSI Design Slide 9, Delay in a Logic Gate.
q Express delays in process independent unit, q Delay has two components. q Parasitic delay p, Represents delay of gate driving no load. Set by internal parasitic capacitance, Logical Effort CMOS VLSI Design Slide 10. Delay Plots, d f p 2 input, NAND Inverter, NormalizedDelay d. 0 1 2 3 4 5, ElectricalEffort, h Cout Cin, Logical Effort CMOS VLSI Design Slide 11.
Delay Plots, d f p 2 input, NAND Inverter, NormalizedDelay d. q What about 4 g 1, NOR2 3 d h 1, 2 EffortDelay f, Parasitic Delay p. 0 1 2 3 4 5, ElectricalEffort, h Cout Cin, Logical Effort CMOS VLSI Design Slide 12. Computing Logical Effort, q DEF Logical effort is the ratio of the input. capacitance of a gate to the input capacitance of an. inverter delivering the same output current, q Measure from delay vs fanout plots.
q Or estimate by counting transistor widths, Cin 3 Cin 4 Cin 5. g 3 3 g 4 3 g 5 3, Logical Effort CMOS VLSI Design Slide 13. Catalog of Gates, q Logical effort of common gates. Gate type Number of inputs, Inverter 1, NAND 4 3 5 3 6 3 n 2 3. NOR 5 3 7 3 9 3 2n 1 3, Tristate mux 2 2 2 2 2, XOR XNOR 4 4 6 12 6 8 16 16 8.
Logical Effort CMOS VLSI Design Slide 14, Catalog of Gates. q Parasitic delay of common gates, In multiples of pinv 1. Gate type Number of inputs, Inverter 1, NAND 2 3 4 n. NOR 2 3 4 n, Tristate mux 2 4 6 8 2n, XOR XNOR 4 6 8. Logical Effort CMOS VLSI Design Slide 4 Example Ben Bitdiddle is the memory designer for the Motoroil 68W86 an embedded automotive processor Help Ben design the decoder for a register file Decoder specifications 16 word register file Each word is 32 bits wide Each bit presents load of 3 unit sized transistors

Related Books

D CEMBRE 2017 CNIL

D CEMBRE 2017 CNIL

D CEMBRE 2017 COMMENT PERMETTRE L HOMME DE GARDER LA MAIN Les enjeux thiques des algorithmes et de l intelligence artificielle SYNTH SE DU D BAT PUBLIC ANIM PAR LA CNIL DANS LE CADRE DE LA MISSION

M DECINE DE VILLE

M DECINE DE VILLE

le secteur hospitalier 5 les cat gories d tablissements par secteur secteurs sites nombre de lits nombre de places public 1 389 253 364 41 361 centres hospitaliers r gionaux et ou

Projet d acad mie

Projet d acad mie

Forte de ses 2 534 coles coll ges et lyc es publics et priv s sous contrat et de ses 51 900 personnels l acad mie de Montpellier est au service des 2 8 millions d habitants de son territoire

Principes d ergonomie des interfaces WEB INTERNET

Principes d ergonomie des interfaces WEB INTERNET

Le Web et son interface s articulent autour de quelques principes fondamentaux suite L ergonomie doit participer la navigation Le navigateur Web offre des fonctions d di es et utiles retour arri re gestion des signets etc Mais une application Web doit se suffire elle m me en vitant l utilisation intensive des boutons Back et Forward du navigateur on

Mock Interview Guide Virginia Tech

Mock Interview Guide Virginia Tech

Arrive 10 15 minutes early for your mock interview and check in at the front desk No Show Policy Missed mock interviews take time away from other students seeking mock interviews or appointments Cancellations must be made 24 business hours before the interview appointment If you fail to cancel at least one day before the interview or simply

Strategies for interviews and post selection

Strategies for interviews and post selection

Strategies for interviews and post selection Contents Introduction 3 Learning outcome 3 evaluate a simulated job interview Produce selection reports letters of offer and rejection Design a reference checking form Demonstrate effective reference checking techniques 5 Interview strategies Activity 1 Take a moment and think about the various stages we have already discussed with

PREPARING FOR ACADEMIC INTERVIEWS SCREENING CONFERENCE

PREPARING FOR ACADEMIC INTERVIEWS SCREENING CONFERENCE

They are short 30 60 minutes preliminary assessments Conference interviews screening interviews held at a professional academic conference Telephone interviews or video conferencing remote interviews with 1 or more interviewers with minimal cost fuss At a screening interview you can get an initial idea if there

mOCk INTErvIEW Career amp College Connection

mOCk INTErvIEW Career amp College Connection

reduce your stress before an actual job interview A mock interview is practice for the real thing and we all know practice makes perfect hOW TO SChEduLE prEpArE FOr A mOCk INTErvIEW Be sure to take your mock interview as seriously as you would an actual interview Review the tips and suggestions highlighted throughout this guidebook Arrive 10 to 15 minutes early and bring your resume and

De Bretton Woods au Brexit International Monetary Fund

De Bretton Woods au Brexit International Monetary Fund

suivi Bretton Woods ont t globalement propices le multilat ralisme d inspiration am ricaine a pro fit tous La croissance la stabilit et le rattrapage taient au rendez vous Tous les pays ont prosp r la fin des ann es 90 nouvelle re de mondiali sation les pays mergents ont r alis un rattrapage

OPERATOR S MANUAL FOR FRONT END LOADER TX5000

OPERATOR S MANUAL FOR FRONT END LOADER TX5000

manual are based on latest information available at the Loader in raised position with bucket rolled back can dump material on tractor causing damage or injury to tractor and or operator Always park loader with bucket attached to loader time of publication The right is reserved to make changes at any time without notice 6 SAFETY DECALS Safety Decal Locations Care of Safety Decals 1

Historia de las Indias vol 1 de 5 Argentina

Historia de las Indias vol 1 de 5 Argentina

tenimiento y esmero propio de persona tan competente y erudita como el laborioso Acad mico de la Historia no podr salir luz hasta finalizar la impresion del ltimo tomo de los cinco de que constar la obra Si el p blico pierde algo con este retraso lo ganar nuestro autor pues su Biograf a saldr enriquecida con nuevos datos y