Page 4 - DSP Integrated Circuits

CONTENTS

1 DSP Integrated Circuits 1
1.1 Introduction 1
1.2 Digital Signal Processing 2
1.3 Standard Digital Signal Processors 2
1.4 Application-Specific ICs for DSP 4
1.4.1 ASIC Digital Signal Processors 5
1.4.2 Direct Mapping Techniques 6
1.5 DSP Systems 7
1.5.1 Facets 7
1.6 DSP System Design 10
1.6.1 Specification And Design Problem Capture 11
1.6.2 Partitioning Techniques 12
1.6.3 Design Transformations 17
1.6.4 Complexity Issues 18
1.6.5 The Divide-And-Conquer Approach 20
1.6.6 VHDL 21
1.7 Integrated Circuit Design 25
1.7.1 System Design Methodology 26
1.7.2 Technical Feasibility 26
1.7.3 System Partitioning 27

2 VLSI Circuit Technologies 31
2.1 Introduction 31
2.2 MOS Transistors 31
2.2.1 A Simple Transistor Model 33
2.3 MOS Logic 36
2.3.1 nMOS Logic 37
2.3.2 CMOS Logic Circuits 39
2.3.3 Propagation Delay in CMOS Circuits 40
2.3.4 Power Dissipation in CMOS Circuits 44
2.3.5 Precharge-Evaluation Logic 45
2.3.6 Process Variations 46
2.3.7 Temperature and Voltage Effects 46

iii