Introduction to CMOS and NMOS

VLSI DESIGN

Dr. P. Abirami
Assistant Professor / EEE
BSACIST

, EED 3104 – VLSI DESIGN (LIT)

COURSE OBJECTIVES:
COB 1: To apply the concepts of modeling in digital system using Verilo
COB 2: To describe the fundamental principles of MOS and CMOS p
technology.
COB 3: To understand the design procedures of digital logic circuits.
COB 4: To examine the basic building blocks of large-scale digital inte
circuits

PREREQUISITE:
❑ Basics of Electron devices
❑ Fundamentals of Digital electronics

,MODULE II TRANSISTOR THEORY
Introduction to MOS Transistors - NMOS & PMOS Characte
Current Equations, Complementary CMOS Inverter
Characteristics, Static Load MOS Inverters, Differential inverters

, INTRODUCTION TO CMOS

❑ Complementary MOSFET (CMOS) technolog
widely used today to form circuits in numerous
varied applications.
❑ Today’s computers, CPUs and cell phones make
of CMOS due to several key advantages.
❑ CMOS offers low power dissipation, relatively
speed, high noise margins in both states, and
operate over a wide range of source and i
voltages (provided the source voltage is fixed)