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:
Oct. 07, 2014

Filed:

Jul. 31, 2013
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Hai Tao Cao, Shanghai, CN;

Xiao Li Hu, Shanghai, CN;

Qing Ql Li, Shanghai, CN;

Huan Shi, Shanghai, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 11/40 (2006.01); G11C 7/06 (2006.01); G11C 11/419 (2006.01); G11C 11/4091 (2006.01); G11C 11/4093 (2006.01);
U.S. Cl.
CPC ...
G11C 7/062 (2013.01); G11C 11/419 (2013.01); G11C 11/4091 (2013.01); G11C 11/4093 (2013.01);
Abstract

Embodiments of the invention provide a sense amplifier, a SRAM chip comprising the sense amplifier and a method of performing read operation on the SRAM chip. The sense amplifier according to embodiments of the invention comprises an additional driving assist portion, which further takes a global data bus as input, the driving assist portion is configured to enable the sense amplifier to provide assisted driving for other sense amplifiers. With the solution according to embodiments of the invention, driving capability of a sense amplifier on global data bus can be enhanced.


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