LookUp Table (LUT)

Loc A B C D F(A,B,C,D)  0 0 0 0 0 0  1 0 0 0 1 0 2 0 0 1 0 1 3 0 0 1 1 1 4 0 1 0 0 0 5 0 1 0 1 0 6 0 1 1 0 1 7 0 1 1 1 0 8 1 0 0 0 0  9 1 0 0 1 010 1 0 1 0 111 1 0 1 1 012 1 1 0 0 013 1 1 0 1 114 1 1 1 0 115 1 1 1 1 1

A

B

C

D

A memory device can be thought of as a LookUp Table (LUT), where each location contains 1 or more bits.

A3A2A1A0

Q

16 x 1 Memory

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