Sum of Products

• A boolean equation in the form: f = and_term + and_term … + and_term is called a Sum of Products (SOP).

Y = AB + CD

Implementing this logic in two levels of gating is easy.

And-Or form

A

B

C

D

7408

7408

7432

7400

7400

7400

A

B

C

D

Y

Y

Nand-Nand form drawn in mixed logic convention

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