Integrated circuit with improved logic cells

Details Integrated circuit with improved logic cells Integrated circuit with improved logic cells

2011-03-29

2011-03-29

Chang, Daniel D (Department: 2819)

Electronic digital logic circuitry

Multifunctional or programmable

Array

C326S041000, C326S047000

Reexamination Certificate

active

07915917

ABSTRACT:
The present invention provides integrated circuits with improved logic cells. In one embodiment, an integrated circuit having a plurality of logic cells (LC) is provided, each LC comprising: a lookup table having a LUT output terminal; and, a first multiplexer; wherein, a first multiplexer input terminal is connected to of a first input terminal of the LC, a second multiplexer input terminal is connected to the LUT output terminal, a multiplexer output terminal is connected to a first output terminal of the LC, and a multiplexer select terminal is connected to a second input terminal of the LC so as to select which of the signals appearing at the first and second multiplexer input terminal to pass through; wherein, by coupling in chain the first input terminal of one LC to the first output terminal of another LC, a WLUT chain is formed.

REFERENCES:
patent: 2005/0218929 (2005-10-01), Wang et al.

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