Subject and UNIT: Digital Logic Circuits: Unit III: (b) Analysis & Design of Synchronous Sequential Circuits
1. Determine the number of flip-flops needed. If n represents number of flip-flops 2n ≥ number of states in the counter.
Working Principle of Operation, Analysis and Design
Subject and UNIT: Digital Logic Circuits: Unit III: (b) Analysis & Design of Synchronous Sequential Circuits
• When counter is clocked such that each flip-flop in the counter is triggered at the same time, the counter is called as synchronous counter.
Subject and UNIT: Digital Logic Circuits: Unit III: (b) Analysis & Design of Synchronous Sequential Circuits
Steps involved in the design of asynchronous counter
Analysis and Design of Synchronous Sequential Circuits
Subject and UNIT: Digital Logic Circuits: Unit III: (b) Analysis & Design of Synchronous Sequential Circuits
• A binary ripple/asynchronous counter consists of a series connection of complementing flip-flops, with the output of each flip-flop connected to the clock input of the next higher-order flip-flop.
Analysis and Design of Synchronous Sequential Circuits
Subject and UNIT: Digital Logic Circuits: Unit III: (b) Analysis & Design of Synchronous Sequential Circuits
• A counter is a register capable of counting the number of clock pulses arriving at its clock input.
Subject and UNIT: Digital Logic Circuits: Unit III: (b) Analysis & Design of Synchronous Sequential Circuits
• In sequential circuits we know that the behaviour of the circuit is defined in terms of its inputs, present states, next states and outputs. To generate desired next state at particular present state and inputs, it is necessary to have specific flip-flop inputs.
Subject and UNIT: Digital Logic Circuits: Unit III: (b) Analysis & Design of Synchronous Sequential Circuits
• The recommended steps for the design of a clocked synchronous sequential circuit are as follows :
Subject and UNIT: Digital Logic Circuits: Unit III: (b) Analysis & Design of Synchronous Sequential Circuits
• The behaviour of a sequential network is determined from the inputs, the outputs, and the states of its flip-flops. Both the outputs and the next state are function of the inputs and the present state (in case of Moore circuits the outputs are function of only present state).
Subject and UNIT: Digital Logic Circuits: Unit III: (b) Analysis & Design of Synchronous Sequential Circuits
• In synchronous or clocked sequential circuits, clocked flip-flops are used as memory elements, which change their individual states in synchronism with the periodic clock signal.
Subject and UNIT: Digital Logic Circuits: Unit III: (b) Analysis & Design of Synchronous Sequential Circuits
• In this chapter, we are going to study the analysis and design of synchronous sequential circuits and design of synchronous counters.
Digital Logic Circuits
Subject and UNIT: Digital Logic Circuits: Unit III: (b) Analysis & Design of Synchronous Sequential Circuits
Digital Logic Circuits: Unit III: (b) Analysis & Design of Synchronous Sequential Circuits : Syllabus, Contents
Flip-Flops | Digital Logic Circuits
Subject and UNIT: Digital Logic Circuits: Unit III: (a) Flip-Flops
Digital Logic Circuits: Unit III: (a) Flip-Flops : University Questions with Answers (Long Answered Questions)