0 votes 0 votes I’m taking for an example kmaps for 3 var A’B’ A’B AB AB’ C’ 0 1 3 2 C 4 5 7 6 (probably here we are taking CAB’ = 6 and below like AB’C =5 ) A’B’ A’B AB AB’ C’ 0 2 6 4 C 1 3 7 5 But how do i know which one to use and when? Digital Logic self-doubt digital-logic + – rd8794 asked Nov 21, 2022 • edited Nov 21, 2022 by rd8794 rd8794 423 views answer comment Share Follow See all 5 Comments See all 5 5 Comments reply Show 2 previous comments Shubhodeep commented Nov 21, 2022 reply Follow Share All the above 3 maps are correct, just keep in mind what is the LSB and MSB as it is F(A,B,C) maps has been drawn as A being MSB and C being LSB 1 votes 1 votes rd8794 commented Nov 21, 2022 reply Follow Share So if i’m asked to insert values of B at the input lines , i’ll take AC as select variables and B as data variable, that is taking the KMAP as :- A’C’ A’C AC AC’ B’ 0 1 5 4 B 2 3 7 6 0 votes 0 votes Shubhodeep commented Nov 21, 2022 reply Follow Share as i said you may take anything as per your convenience but if you want to implement it as a multiplexer then easy method will be using truth tables A B C F 0 0 0 0 0 0 1 0 0 1 0 1 0 1 1 0 1 0 0 1 1 0 1 1 1 1 0 0 1 1 1 1 The reduced truth table will be A C F 0 0 $B$ (0 input of MUX) 0 1 0 (1 input of MUX) 1 0 $\bar{B}$ (2 input of MUX) 1 1 1 (3 input of MUX) 2 votes 2 votes Please log in or register to add a comment.