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. 03, 2017

Filed:

Jun. 27, 2013
Applicant:

Advanced Micro Devices, Inc., Sunnyvale, CA (US);

Inventors:

Eric W. Busta, Windsor, CO (US);

Karthik Natarajan, Austin, TX (US);

Brian M. Lay, Boulder, CO (US);

Gregory A. Constant, Austin, TX (US);

Assignee:

Advanced Micro Devices, Inc., Sunnyvale, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 12/00 (2006.01); G06F 13/00 (2006.01); G06F 13/28 (2006.01); G11C 8/16 (2006.01); G06F 9/30 (2006.01); G11C 7/10 (2006.01);
U.S. Cl.
CPC ...
G11C 8/16 (2013.01); G06F 9/3012 (2013.01); G11C 7/1075 (2013.01); G11C 2207/007 (2013.01);
Abstract

A register file includes a substrate, a plurality of entries, and a plurality of read ports. Each entry includes a corresponding subset of a plurality of memory cells defined on the substrate. Each read port includes a plurality of access elements defined on the substrate. Each access element is associated with a particular common bit position of each of the entries. A plurality of entry access groups are disposed in adjacent columns on the substrate. Each entry access group is associated with a corresponding one of the plurality of entries and includes the access elements for all of the read ports for the corresponding entry.


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