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:
Nov. 22, 2016

Filed:

Feb. 03, 2016
Applicant:

Taiwan Semiconductor Manufacturing Company, Ltd., Hsinchu, TW;

Inventors:

Ming-Chieh Huang, San Jose, CA (US);

Chan-Hong Chern, Palo Alto, CA (US);

Tien Chun Yang, San Jose, CA (US);

Chih-Chang Lin, San Jose, CA (US);

Yuwen Swei, Fremont, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 11/24 (2006.01); G11C 5/14 (2006.01); G11C 8/00 (2006.01); G11C 11/4074 (2006.01);
U.S. Cl.
CPC ...
G11C 11/4074 (2013.01); G11C 5/147 (2013.01);
Abstract

A method of operating a first voltage regulator includes electrically coupling a transistor of an output stage of the first voltage regulator between a first power voltage and a second power voltage, and reverse biasing a bulk of the transistor by a back-bias circuit during a standby mode of a memory array. The first voltage regulator is coupled to a second voltage regulator and reverse biasing the bulk of the transistor reduces a contention current between the first voltage regulator and the second voltage regulator.


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