PPT-Flip-Flops Revision of lecture notes written by Dr. Timothy

Drysdale Objectives of Lecture The objectives of this lecture are to discuss the difference between combinational and sequential logic as well as the difference between asynchronous. 0 0 0 0 0 0 1 1 0 1 0 0 0 1 1 0 1 0 0 1 1 0 1 1 1 1 0 1 1 1 1 0 T flip-flop excitation table T Qcurrent Qnext 0 0 0 0 1 1 1 0 1 1 1 0 Step 2: derive the excitation table from the next stat 1. Flip-Flops. Last time, we saw how latches can be used as memory in a circuit.. Latches introduce new problems:. We need to know when to enable a latch.. We also need to quickly disable a latch.. In other words, it. Beginners. to Advanced. Sophia Georgiakaki. AMATYC 2014. Why Flip?. 3 . credits  not enough time to cover content. Success rates 42% or lower. Students claim to understand lecture in class but cannot figure out problems at home. © 2014 Project Lead The Way, Inc.. Digital Electronics. Flip-Flops & Latches. 2. This presentation will. Review sequential logic and the flip-flop.. Introduce the D flip-flop and provide an excitation table and a sample timing analysis.. © 2014 Project Lead The Way, Inc.. Digital Electronics. Flip-Flops & Latches. 2. This presentation will. Review sequential logic and the flip-flop.. Introduce the D flip-flop and provide an excitation table and a sample timing analysis.. A. Yaicharoen. 2. Flip-Flops. A . flip-flop is a bi-stable device: a circuit having 2 stable conditions (0 or 1. ). A flip-flop circuit has two outputs and the outputs of the flip-flop always complement each other, . Read . Kleitz. , Chapter 10.. Homework . #10 and Lab #10 due . next week.. Quiz . next week.. Combinational Logic versus Sequential Logic. A . combinational logic circuit. is a circuit whose output depends only on the circuit’s present inputs. (“Has no memory of the past.”). Chapter 5. Sequential Circuits. Combinational circuits storage (store binary information). Binary information stored defines the state of the sequential circuit. External input present state determine the binary value of outputs and change state in storage elements. Digital Electronics. Flip-Flops & Latches. 2. This presentation will. Review sequential logic and the flip-flop.. Introduce the D flip-flop and provide an excitation table and a sample timing analysis.. Announcements. Homework 8 due Thursday, 11/20. Exam 3 coming up on Tuesday, 11/25. Exam Topics. MSI Components: . Binary adders/. Subtracters. , Carry . Lookahead. Adder, Large High-Speed Adders, Decimal Adders, Comparators, Decoders, Logic Design Using Decoders, Decoders with enable input, Encoders, Multiplexers, Logic Design with Multiplexers.. Announcements. Homework 8 due today. Exam 3 on Tuesday, 11/25.. Topics for exam are up on the course webpage.. Agenda. Last time:. Master-Slave Flip-Flops (6.4). Edge-Triggered Flip-Flops (6.5). Characteristic Equations (6.6. Lecture. Digital Systems. All inputs that we have been studying in all the flip-flops (D, S-R, J-K, and T) are . synchronous. inputs because their effect on the FF output is synchronized with the clock input.. Digital Electronics. Flip-Flops & Latches. 2. This presentation will. Review sequential logic and the flip-flop.. Introduce the D flip-flop and provide an excitation table and a sample timing analysis.. Registers. a . group of flip-flops with each flip-flop capable of storing one bit of information. .. registers . also consists of gates that effect their transition. . flip-flops . hold the binary information and the gates control when and how new information is transferred into the register..