LUT-based Constant Multipliers

• N-LUT = constant multiply of N-bit number

• Break operand into N-bit quantities:

  • Example: 8-bit * 8-bit constant, 4-LUTs

1 0 1 0 1 0 1 1

x K K K K K K K K

A A A A A A A A A A A A (K * 1011 (LSN))

B B B B B B B B B B B B (K * 1010 (MSN))

S S S S S S S S S S S S S S S S Product

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