The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 18, 2023

Filed:

May. 21, 2021
Applicant:

Kepler Computing Inc., San Francisco, CA (US);

Inventors:

Rajeev Kumar Dokania, Beaverton, OR (US);

Amrita Mathuriya, Portland, OR (US);

Rafael Rios, Austin, TX (US);

Ikenna Odinaka, Durham, NC (US);

Robert Menezes, Portland, OR (US);

Ramamoorthy Ramesh, Moraga, CA (US);

Sasikanth Manipatruni, Portland, OR (US);

Assignee:

Kepler Computing Inc., San Francisco, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 19/23 (2006.01); H01L 49/02 (2006.01);
U.S. Cl.
CPC ...
H03K 19/23 (2013.01); H01L 28/55 (2013.01);
Abstract

A new class of logic gates are presented that use non-linear polar material. The logic gates include multi-input majority gates. Input signals in the form of digital signals are driven to non-linear input capacitors on their respective first terminals. The second terminals of the non-linear input capacitors are coupled a summing node which provides a majority function of the inputs. In the multi-input majority or minority gates, the non-linear charge response from the non-linear input capacitors results in output voltages close to or at rail-to-rail voltage levels. In some examples, the nodes of the non-linear input capacitors are conditioned once in a while to preserve function of the multi-input majority gates.


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