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:
Sep. 20, 2016

Filed:

Jun. 23, 2015
Applicant:

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

Inventors:

Annie-Li-Keow Lum, San Jose, CA (US);

Derek C. Tao, Fremont, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C 7/12 (2006.01); G11C 11/419 (2006.01); G11C 7/10 (2006.01);
U.S. Cl.
CPC ...
G11C 11/419 (2013.01); G11C 7/1048 (2013.01); G11C 7/12 (2013.01);
Abstract

A circuit includes a signal generating circuit that generates a pre-charge signal based on a clock signal and a column select signal for a column of memory cells associated with the signal generating circuit. A first state of the pre-charge signal depends on a first state of the column select signal, and the first state of the column select signal corresponds to selection of the column of memory cells. The circuit also includes a charge circuit associated with the signal generating circuit and a first data line coupled to the charge circuit. The charge circuit charges the first data line in response to the first state of the pre-charge signal and allows the first data line to float in response to a second state of the pre-charge signal.


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Lum, Annie-Li-Keow. (2016). Pre-charging a data line (U.S. Patent No. 9449681). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9449681

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