5 votes 5 votes The characteristic equation of an $SR$ flip-flop is given by : $Q_{n+1}=S+RQ_n$ $Q_{n+1}=R\bar{Q}_n + \bar{S}Q_n$ $Q_{n+1}=\bar{S}+RQ_n$ $Q_{n+1}=S+\bar{R}Q_n$ Digital Logic isro2007 digital-logic flip-flop + – go_editor asked Jun 10, 2016 • edited Jun 7, 2020 by Sabiha banu go_editor 13.0k views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
6 votes 6 votes Keep in mind: characteristic equation of SR Flip flop:Q next = S+R'Q JK Flip flop: Q next =JQ'+ K'Q D Flip flop Q next = D T Flip flop Q next = T ⊕ Q Answer :D sh!va answered Apr 26, 2017 sh!va comment Share Follow See all 0 reply Please log in or register to add a comment.
2 votes 2 votes Option D Characteristic Equation : Qn+1 =S+R'Qn Characteristic Table Qn S R Qn+1 0 0 0 0 0 0 1 0 0 1 0 1 0 1 1 X 1 0 0 1 1 0 1 0 1 1 0 1 1 1 1 X By K-map we get Characteristic Equation shivanisrivarshini answered Jun 10, 2016 • edited Jun 28, 2016 by shivanisrivarshini shivanisrivarshini comment Share Follow See all 2 Comments See all 2 2 Comments reply Catalan 1920 commented Jun 28, 2016 reply Follow Share why is Q{n+1} = 0 when Qn = 1, S=0, R=0. Q{n+1} should be 1 0 votes 0 votes shivanisrivarshini commented Jun 28, 2016 reply Follow Share sorry its just a typo when Qn is 1 then Qn+1 is also 1 for S=0,R=0 (memory state) Thank u 0 votes 0 votes Please log in or register to add a comment.
0 votes 0 votes Answer D) Using K Map we can draw this srestha answered Jun 10, 2016 srestha comment Share Follow See all 0 reply Please log in or register to add a comment.