US Patent 7616489 Memory array segmentation and methods

Patent 7616489 was granted and assigned to Micron Technology on November, 2009 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Micron Technology

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

76164890

Patent Inventor Names

Aaron Yip0

Date of Patent

November 10, 2009

Patent Application Number

113498540

Date Filed

February 8, 2006

Patent Primary Examiner

‌

David Lam

Patent abstract

The invention provides methods and apparatus. A memory array has a first well region having a first conductivity type. A plurality of second well regions of a second conductivity type is formed in the first well region. The second well regions are electrically isolated from each other. A plurality of memory cells, arranged in row and column fashion, is formed on each second well region. Corresponding rows of memory cells of the respective second well regions are commonly coupled to a word line.