前言
Chapter 1 Digital Basics 1
1.1 Key knowledge 1
1.1.1 Number systems, operations and codes 1
1.1.2 Logic gates 4
1.1.3 Laws and rules of Boolean algebra 5
1.1.4 Various logic descriptions 5
1.1.5 Simplifying the Boolean expressions 6
1.2 Key terms 7
1.3 Self-test questions 8
1.4 Problems and solutions 12
Chapter 2 Integrated Circuit
Technologies 21
2.1 Key knowledge 21
2.1.1 Fixed-function integrated circuit 21
2.1.2 Basic operational characteristics and
parameters 21
2.1.3 CMOS and TTL integrated gate
circuits 23
2.1.4 Open-collector gates 24
2.1.5 Tristate gates 26
2.1.6 Practical considerations 26
2.2 Key terms 27
2.3 Self-test questions 28
2.4 Problems and solutions 30
Chapter 3 Combinational Logics and
Functions 39
3.1 Key knowledge 39
3.1.1 Combinational logic analysis and
design 39
3.1.2 Adders 39
3.1.3 Comparators 40
3.1.4 Decoders 41
3.1.5 Encoders 44
3.1.6 Multiplexer 45
3.1.7 Demultiplexers 46
3.2 Key terms 47
3.3 Self-test questions 48
3.4 Problems and solutions 51
Chapter 4 Latches, Flip-Flops,
and Timers 64
4.1 Key knowledge 64
4.1.1 Latches 64
4.1.2 Edge-triggered flip-flops 68
4.1.3 Timers 73
4.2 Key terms 77
4.3 Self-test questions 78
4.4 Problems and solutions 81
Chapter 5 Counters and Shift Registers 92
5.1 Key knowledge 92
5.1.1 Asynchronous counters 92
5.1.2 Synchronous counters 94
5.1.3 Up/down synchronous counters 95
5.1.4 Cascaded counters 96
5.1.5 Shift registers 97
5.2 Key terms 99
5.3 Self-test questions 100
5.4 Problems and solutions 104
Chapter 6 Memory and Storage 116
6.1 Key knowledge 116
6.1.1 Memory basics 116
6.1.2 The random-access memory 118
6.1.3 The read-only memory 121
6.1.4 The flash memory and special types
of memories 122
6.1.5 Memory expansion 123
6.2 Key terms 123
6.3 Self-test questions 124
6.4 Problems and solutions 126
Chapter 7 Programmable Logic
Devices 135
7.1 Key knowledge 135
7.1.1 Introduction to programmable logic 135
7.1.2 SPLDs 137
7.1.3 CPLDs 140
7.1.4 FPGAs 141
7.2 Key terms 144
7.3 Self-test questions 145
7.4 Problems and solutions 147
Chapter 8 A/D and D/A Conversions 158
8.1 Key knowledge 158
8.1.1 Converting analog signals to digital 158
8.1.2 Converting digital signals to analog 160
8.2 Key terms 161
8.3 Self-test questions 161
8.4 Problems and solutions 163
Appendix Examination Papers and
Answers 174
Appendix 1 174
Appendix 2 182
Appendix 3 189
Answers to the Examinations 194
Appendix 1 194
Appendix 2 197
Appendix 3 200
References 203