Previous year question paper for VLSI (B-TECH electronics and communication engineering 6th)

Vlsi design

Previous year question paper with solutions for Vlsi design from 2014 to 2018

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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.