Introduction: Introduction to Computer-aided design tools for digital systems. Hardware
description languages, Introduction to VHDL, Data objects, Classes and data types, Operators,
Overloading, and Logical operators. Types of delays, Entity and Architecture declaration
Introduction to behavioral, dataflow and structural models
VHDL Statements: Assignment statements, Sequential Statements and Process, Conditional
Statements, Case Statements, Array and Loops, Resolution Functions, Packages & Libraries,
Concurrent Statements.
Applications of VHDL: Combinational Circuit Design such as such as Multiplexers, Encoders,
Decoders, Code Converters, Comparators, and Implementation of Boolean functions etc.,
Sequential Circuit Design such as Shift registers, Counters etc.
Review of MOS Devices: MOS Structure, Enhancement & Depletion Transistor, Threshold
Voltage, MOS device design equations MOS Transistor Models. NMOS, PMOS, CMOS.
Basic Electrical Properties and Circuit Concepts: The NMOS Inverter and Transfer
Characteristics pull up and pull down ratios of NMOS, alternative forms of pull up the CMOS
Inverter and transfer characteristics. CMOS Inverter Delays. Driving large Capacitive loads,
Propagation delays and effect of wiring capacitance.
Circuit Characterization and Performance Estimation: Estimation of R, C, L, Switching
Characteristics-delay models. Power dissipation. Scaling of MOS circuits. Effect of device scaling on
circuit performance.