0 votes 0 votes What is the minimum number of JK Flip Flops required to construct counter with count sequence 0−0−0−1−1−2−2−3−3 Digital Logic digital-logic flip-flop + – Anjana Babu asked Jan 16, 2017 Anjana Babu 1.7k views answer comment Share Follow See all 10 Comments See all 10 10 Comments reply Habibkhan commented Jan 16, 2017 reply Follow Share Is the answer 4?? 0 votes 0 votes Anjana Babu commented Jan 16, 2017 reply Follow Share there is no answer given. Could u pls explain your approach 0 votes 0 votes Arpit Dhuriya commented Jan 16, 2017 reply Follow Share https://gateoverflow.in/39670/gate-2016-1-8 This answer might help. 0 votes 0 votes Anjana Babu commented Jan 16, 2017 reply Follow Share Is this correct ? 0 -> 0000, 1000 ,1100 1-> 0001 , 1001 , 2-> 0010 , 1010, 3->0011 , 1011, 1 votes 1 votes Arpit Dhuriya commented Jan 16, 2017 reply Follow Share 0 - > 0000, 0100,1000 1 - >0001,0101 2 -> 0010,0110 3 -> 0011,0111 What about that ? 0 votes 0 votes Lakshmikanth P commented Jan 18, 2017 i edited by Lakshmikanth P Jan 20, 2017 reply Follow Share It requires three FlipFlops bcz that sequence cannot be created using only Two FlipFlops. We need to ignore the output of the third flipflop(LSB). 0 -> 000,100 1-> 101 , 001 2-> 110 , 010 3->111 , 011 0 votes 0 votes Sushant Gokhale commented Jan 20, 2017 reply Follow Share I think 2 are sufficient. –1 votes –1 votes Lakshmikanth P commented Jan 20, 2017 reply Follow Share With 2 Flipflops u can't generate the same state twice in sequence. So, we need 3 Flipflops 0 votes 0 votes Sushant Gokhale commented Jan 20, 2017 reply Follow Share ok. Thanks, will Check 0 votes 0 votes ankyAS commented Jan 22, 2017 reply Follow Share According to the link u specified i think answer is 7 flip flops. Am i correct? 0 votes 0 votes Please log in or register to add a comment.
1 votes 1 votes in given sequence 3 is the max term so it requires 2 flip flops to represent + for representing 3 0's it requires 2 more flip flops so totally 4 flip flop required please, let me know if this ans is wrong. lokesh biradar answered Jan 31, 2017 lokesh biradar comment Share Follow See all 0 reply Please log in or register to add a comment.