Fracturable lookup table and logic element

Details Fracturable lookup table and logic element Fracturable lookup table and logic element

2008-01-29

2008-01-29

Nguyen, Khai M. (Department: 2819)

Electronic digital logic circuitry

Multifunctional or programmable

Array

C326S037000, C326S039000, C326S041000

Reexamination Certificate

active

07323902

ABSTRACT:
A logic element includes memory elements, multiplexers, and controls. The multiplexers are arranged in levels including a highest level of multiplexers with inputs connected to the memory elements and outputs connected to inputs of a next-to-highest level of multiplexers and a first level of multiplexers with inputs connected to outputs of a second level of multiplexers and at least one output. The controls are connected to the multiplexers. In a first operational mode the controls determine a first-mode output at the at least one output of the first level of multiplexers, and in a second operational mode the controls determine a plurality of second-mode outputs at selected outputs of multiplexers not at the first level of multiplexers.

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