PPT: Flip Flops Notes | EduRev

Digital Electronics

Electrical Engineering (EE) : PPT: Flip Flops Notes | EduRev

 Page 1


EE 202 : DIGITAL ELECTRONICS 1
Chapter 4: 
FLIP FLOPS
 (Sequential Circuits)
By:
Siti Sabariah Hj. Salihin
ELECTRICAL ENGINEERING DEPARTMENT
Page 2


EE 202 : DIGITAL ELECTRONICS 1
Chapter 4: 
FLIP FLOPS
 (Sequential Circuits)
By:
Siti Sabariah Hj. Salihin
ELECTRICAL ENGINEERING DEPARTMENT
Programme Learning Outcomes, PLO Programme Learning Outcomes, PLO Programme Learning Outcomes, PLO Programme Learning Outcomes, PLO
Upon completion of the programme, graduates should be able to:
? PLO 1 : PLO 1 : PLO 1 : PLO 1 : Apply knowledge of mathematics, scince and  engineering 
fundamentals to well defined electrical and electronic engineering 
procedures and practices
Course Learning Outcomes, CLO Course Learning Outcomes, CLO Course Learning Outcomes, CLO Course Learning Outcomes, CLO
? CLO 2 : CLO 2 : CLO 2 : CLO 2 :   Simplify and design combinational and sequential logic 
circuits by using the Boolean Algebra and the Karnaugh Maps.
? CLO 3  : CLO 3  : CLO 3  : CLO 3  :  Draw Logic Diagrams, truth tables and timing diagrams for 
all common flip flops and use these to implement sequential logic 
circuits correctly.
CHAPTER 4 : FLIP FLOPS CHAPTER 4 : FLIP FLOPS CHAPTER 4 : FLIP FLOPS CHAPTER 4 : FLIP FLOPS
EE 202 : DIGITAL ELECTRONICS
EE 202 : DIGITAL ELECTRONICS
Page 3


EE 202 : DIGITAL ELECTRONICS 1
Chapter 4: 
FLIP FLOPS
 (Sequential Circuits)
By:
Siti Sabariah Hj. Salihin
ELECTRICAL ENGINEERING DEPARTMENT
Programme Learning Outcomes, PLO Programme Learning Outcomes, PLO Programme Learning Outcomes, PLO Programme Learning Outcomes, PLO
Upon completion of the programme, graduates should be able to:
? PLO 1 : PLO 1 : PLO 1 : PLO 1 : Apply knowledge of mathematics, scince and  engineering 
fundamentals to well defined electrical and electronic engineering 
procedures and practices
Course Learning Outcomes, CLO Course Learning Outcomes, CLO Course Learning Outcomes, CLO Course Learning Outcomes, CLO
? CLO 2 : CLO 2 : CLO 2 : CLO 2 :   Simplify and design combinational and sequential logic 
circuits by using the Boolean Algebra and the Karnaugh Maps.
? CLO 3  : CLO 3  : CLO 3  : CLO 3  :  Draw Logic Diagrams, truth tables and timing diagrams for 
all common flip flops and use these to implement sequential logic 
circuits correctly.
CHAPTER 4 : FLIP FLOPS CHAPTER 4 : FLIP FLOPS CHAPTER 4 : FLIP FLOPS CHAPTER 4 : FLIP FLOPS
EE 202 : DIGITAL ELECTRONICS
EE 202 : DIGITAL ELECTRONICS
Upon completion of this chapter, students 
should be able to:
1. Understand Types of Flip-Flop, Truth Tables, Symbols, 
    Timing Diagram and its application in Logic Circuits.
2. Construct Types of Flip Flop using Types of Logic 
Gates by Drawing Symbols and Truth Tables, and 
Timing Diagram.
                     
Learning outcomes Learning outcomes Learning outcomes Learning outcomes For Chapter 4:
Flip Flops(Sequential Circuits)
EE 202 : DIGITAL ELECTRONICS
Page 4


EE 202 : DIGITAL ELECTRONICS 1
Chapter 4: 
FLIP FLOPS
 (Sequential Circuits)
By:
Siti Sabariah Hj. Salihin
ELECTRICAL ENGINEERING DEPARTMENT
Programme Learning Outcomes, PLO Programme Learning Outcomes, PLO Programme Learning Outcomes, PLO Programme Learning Outcomes, PLO
Upon completion of the programme, graduates should be able to:
? PLO 1 : PLO 1 : PLO 1 : PLO 1 : Apply knowledge of mathematics, scince and  engineering 
fundamentals to well defined electrical and electronic engineering 
procedures and practices
Course Learning Outcomes, CLO Course Learning Outcomes, CLO Course Learning Outcomes, CLO Course Learning Outcomes, CLO
? CLO 2 : CLO 2 : CLO 2 : CLO 2 :   Simplify and design combinational and sequential logic 
circuits by using the Boolean Algebra and the Karnaugh Maps.
? CLO 3  : CLO 3  : CLO 3  : CLO 3  :  Draw Logic Diagrams, truth tables and timing diagrams for 
all common flip flops and use these to implement sequential logic 
circuits correctly.
CHAPTER 4 : FLIP FLOPS CHAPTER 4 : FLIP FLOPS CHAPTER 4 : FLIP FLOPS CHAPTER 4 : FLIP FLOPS
EE 202 : DIGITAL ELECTRONICS
EE 202 : DIGITAL ELECTRONICS
Upon completion of this chapter, students 
should be able to:
1. Understand Types of Flip-Flop, Truth Tables, Symbols, 
    Timing Diagram and its application in Logic Circuits.
2. Construct Types of Flip Flop using Types of Logic 
Gates by Drawing Symbols and Truth Tables, and 
Timing Diagram.
                     
Learning outcomes Learning outcomes Learning outcomes Learning outcomes For Chapter 4:
Flip Flops(Sequential Circuits)
EE 202 : DIGITAL ELECTRONICS
Chapter's Summary
? Flip-Flops Flip-Flops Flip-Flops Flip-Flops
- Types - Types - Types - Types Of Flip Flops: SR Flip-Flop, 
Clocked SR Flip-Flop, T Flip-Flop and JK 
Flip-Flop.
- Symbols - Symbols - Symbols - Symbols, Truth Tables and Timing.
- T Flip-Flops and D Flip-Flops
   built   built   built   built using JK Flip-Flops.
EE 202 : DIGITAL ELECTRONICS
Page 5


EE 202 : DIGITAL ELECTRONICS 1
Chapter 4: 
FLIP FLOPS
 (Sequential Circuits)
By:
Siti Sabariah Hj. Salihin
ELECTRICAL ENGINEERING DEPARTMENT
Programme Learning Outcomes, PLO Programme Learning Outcomes, PLO Programme Learning Outcomes, PLO Programme Learning Outcomes, PLO
Upon completion of the programme, graduates should be able to:
? PLO 1 : PLO 1 : PLO 1 : PLO 1 : Apply knowledge of mathematics, scince and  engineering 
fundamentals to well defined electrical and electronic engineering 
procedures and practices
Course Learning Outcomes, CLO Course Learning Outcomes, CLO Course Learning Outcomes, CLO Course Learning Outcomes, CLO
? CLO 2 : CLO 2 : CLO 2 : CLO 2 :   Simplify and design combinational and sequential logic 
circuits by using the Boolean Algebra and the Karnaugh Maps.
? CLO 3  : CLO 3  : CLO 3  : CLO 3  :  Draw Logic Diagrams, truth tables and timing diagrams for 
all common flip flops and use these to implement sequential logic 
circuits correctly.
CHAPTER 4 : FLIP FLOPS CHAPTER 4 : FLIP FLOPS CHAPTER 4 : FLIP FLOPS CHAPTER 4 : FLIP FLOPS
EE 202 : DIGITAL ELECTRONICS
EE 202 : DIGITAL ELECTRONICS
Upon completion of this chapter, students 
should be able to:
1. Understand Types of Flip-Flop, Truth Tables, Symbols, 
    Timing Diagram and its application in Logic Circuits.
2. Construct Types of Flip Flop using Types of Logic 
Gates by Drawing Symbols and Truth Tables, and 
Timing Diagram.
                     
Learning outcomes Learning outcomes Learning outcomes Learning outcomes For Chapter 4:
Flip Flops(Sequential Circuits)
EE 202 : DIGITAL ELECTRONICS
Chapter's Summary
? Flip-Flops Flip-Flops Flip-Flops Flip-Flops
- Types - Types - Types - Types Of Flip Flops: SR Flip-Flop, 
Clocked SR Flip-Flop, T Flip-Flop and JK 
Flip-Flop.
- Symbols - Symbols - Symbols - Symbols, Truth Tables and Timing.
- T Flip-Flops and D Flip-Flops
   built   built   built   built using JK Flip-Flops.
EE 202 : DIGITAL ELECTRONICS 5
4.0 Introduction 
                        Sequential Circuits
? The output of circuit depends on the previous output and the 
present inputs.
? The inputs must follow a specific sequence to produce a required 
output.
? In order to follow a sequence of inputs the circuits must contain
     some form of memory to retain knowledge of those inputs, which 
     have already occurred.
? This memory are obtained by feedback connections, which are
     made so that history of the previous inputs is maintained.
? Most sequential systems are based on a small number of simple 
     sequential circuit elements known as Bistables or Flip Flops.
 
EE 202 : DIGITAL ELECTRONICS
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