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27 Sep 2012 The minimum sum of products (MSOP) of a function, f, is a SOP representation of f that Karnaugh maps -- A tool for representing Boolean functions of up to six We have been using K-maps to find the minimum sum-of-products form of a function: ( _ _ _ ) + ( _ _ ) + ( _ _ _ ). You can also use K-maps to find the minimum K-maps for Sum-of-Product Design. A minimal sum-of-product design can be created as follows: Create the K-map, entering a 1 or 0 in each square according to the desired logic function. Beginning with large rectangles and going to small rectangles, add rectangles until all minterms are 'covered' (all '1's are included). Summary of Reduction rules for POS using K-map. Prepare the truth table for the function. Draw an empty K-map (2-variables, 3-variables, so on) Fill the cells with value 0 for which the output is 0. Fill rest of the cells with value 1. First is relay ladder logic, then logic gates, a truth table, a Karnaugh map, and a for second group = A; Write Sum-Of-Products of above two terms Output = A+B. Karnaugh Map: A graphical technique for simplifying an expression into a minimal sum Sum-of-Products expression can be implemented using a two-level circuit. F= ?m(0,1,2 .. K-maps are really only good for manual simplification of small.7 May 2017 12 Sep 2017 K-map can take two forms Sum of Product (SOP) and Product of Sum (POS) according to the need of problem. K-map is table like representation but it gives more information than TRUTH TABLE. We fill grid of K-map with 0's and 1's then solve it by making groups. Select K-map according to the number of variables.