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:
Jun. 18, 2024

Filed:

May. 31, 2021
Applicant:

Redpine Signals, Inc., San Jose, CA (US);

Inventors:

Martin Kraemer, Mountain View, CA (US);

Ryan Boesch, Louisville, CO (US);

Wei Xiong, Mountain View, CA (US);

Assignee:

Ceremorphic, Inc., San Jose, CA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 7/544 (2006.01); H03K 19/20 (2006.01); H03M 1/38 (2006.01); H03M 3/04 (2006.01);
U.S. Cl.
CPC ...
G06F 7/5443 (2013.01); H03K 19/20 (2013.01); H03M 1/38 (2013.01); H03M 3/04 (2013.01);
Abstract

A Unit Element (UE) has a digital X input and a digital W input, and comprises groups of NAND gates generating complementary outputs which are coupled to a differential charge transfer bus comprising a positive charge transfer line and a negative charge transfer line. The number of bits in the X input determines the number of NAND gates in a NAND-group and the number of bits in the W input determines the number of NAND groups. Each NAND-group receives one bit of the W input applied to all of the NAND gates of the NAND-group, and each unit element having the bits of X applied to each associated NAND gate input of each unit element. The NAND gate outputs are coupled through binary weighted charge transfer capacitors to a positive charge transfer line and negative charge transfer line.


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