1. Chapter 1 Introduction: Digital Systems & Logic Design By Taweesak Reungpeerakul

2. 242-208 CH12 Digital Systems Digital and Analog Quantities Parameters of Pulse Waveform Basic Logic Combinational Logic Digital Integrated Circuits An example of Digital System Design Flow

3. 242-208 CH13 1.1 Digital & Analog Quantities Analog Quantity?  Continuous Values Digital Quantity?  Discrete Set of Values Which one has more advantages?  Digital Quantity (process & transmit) Efficiency Reliability

4. 242-208 CH14 Analog & Digital Example

5. 242-208 CH15 Analog & Mixed System Analog System Digital and Analog System

6. 242-208 CH16 1.2 Binary Digits, Logic Levels, and Digital Waveforms Binary Digits: 0  Low, 1  High Code: Group of Bits Logic Level: represented by voltages

7. 242-208 CH17 Digital Waveforms Pulse Positive-going pulseNegative-going pulse Waveform Characteristic Question t W : pulse width t r : rise time t f : fall time T : period f : frequency f = 1/T T = 1/f Duty Cycle = ( t w / T ) 100%

8. 242-208 CH18 Clock and Bits Waveforms Clock is a periodic waveform (signal) in which each interval between pulse equals the time for one bit

9. 242-208 CH19 Timing Diagrams How 2 or more waveforms change and relate

10. 242-208 CH110 1.3 Basic Logic Operations NOTANDOR Symbol Truth Table In Out 0 1 1 0 In 1 In 2 Out 0 0 0 0 1 0 1 0 0 1 1 1 In 1 In 2 Out 0 0 0 0 1 1 1 0 1 1 1 1

11. 242-208 CH111 1.4 Basic Logic Functions

12. 242-208 CH112 Basic Logic Functions (cont) Mux Demux n 2n2n

13. 242-208 CH113 Basic Logic Functions (cont) Flip-flops Counters Registers

14. 242-208 CH114 1.5 Digital Integrated Circuits IC Packages: DIP, SMT, SOIC, PLCC, LCCC, FP IC Complexity Classifications  SSI: gate ≥ 12, basic gates & flip-flops  MSI: 12 ≤ gate ≥ 99, logic functions  LSI: 100 ≤ gate ≥ 9999, including memory  VLSI: 10,000 ≤ gate ≥ 99,999  ULSI: gate ≥ 100,000

15. 242-208 CH115 Integrated Circuit Technologies Types of Transistors  Bipolar Junction Transistors  MOSFETs (metal-oxide semiconductor field-effect transistors) Bipolar used in: transistor-transistor logic (TTL) and emitter-couple logic (ECL) MOSFETs used in: complementary MOS (CMOS) and n-channel MOS (NMOS)

16. 242-208 CH116 1.6 Testing and Troubleshooting Instruments Oscilloscope  Analog  Digital Logic Analyzer DC Power Supply Function Generator Digital Multimeter

17. 242-208 CH117 1.7 Digital System Application

18. 242-208 CH118 Design Flow