Digital Logic Flip-Flops and Latches Overview
Explore a variety of flip-flops and latches used in digital circuits such as SR latch, D latch, master-slave D flip-flop, JK flip-flop, T flip-flop, and more. Understand their operation, truth tables, schematic diagrams, and practical applications. Dive into the world of sequential logic elements and enhance your understanding of digital electronics concepts.
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Presentation Transcript
Flip-Flop Instructor Course Number : FEH2H3 As Taught In Level : Nyoman Karna : 1stsemester 2017-2018 : Undergraduate www.telkomuniversity.ac.id
Memory Element Q Q Q Q Q = 0, Q = 1 or Q = 1, Q = 0 stabil Change in Q ? 176 www.telkomuniversity.ac.id
SR Latch using NOR S 0 0 1 1 R 0 1 0 1 Q Q 0 1 Avoid Q Q 1 0 R Q Q S Schematic Truth Table 177 www.telkomuniversity.ac.id
SR Latch using NAND S 0 0 1 1 R 0 1 0 1 Q Avoid 0 1 Q Q R Q 1 0 Q Q S Schematic Truth Table 178
SR Latch Enable 0 1 1 1 1 S X 0 1 0 1 R X 0 0 1 1 Q(t+1) Q(t)t Q(t) R R Q Enable Q 1 0 S S Avoid S S Q Enable Q R R 179 www.telkomuniversity.ac.id
D Latch D S S Q Clk D Q Q R R Clk Schematic Q Clk D 0 1 1 Truth Table Q(t+1) Q(t) 0 1 Block Symbol X 0 1 180 www.telkomuniversity.ac.id
Master Slave D Flip-Flop Master Slave D D Q D Q Q Clk Clk Q Q Q timing diagram 181 www.telkomuniversity.ac.id
JK Flip-Flop J Truth Table D Q K Clk Q Block Symbol JK FF Function: 182 www.telkomuniversity.ac.id
T Flip-Flop Truth Table D Q T Clk Q Block Symbol T FF 183 www.telkomuniversity.ac.id
