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.
Patent No.:
Date of Patent:
Sep. 14, 2010
Filed:
Jul. 05, 2007
Ishwardutt Parulkar, San Francisco, CA (US);
Sriram Anandakumar, Sunnyvale, CA (US);
Krishna B. Rajan, Fremont, CA (US);
Ishwardutt Parulkar, San Francisco, CA (US);
Sriram Anandakumar, Sunnyvale, CA (US);
Krishna B. Rajan, Fremont, CA (US);
Oracle America, Inc., Redwood City, CA (US);
Abstract
A method and apparatus for testing a three dimensional (3D) memory including a static array and an active array. The method is performed by a memory built-in self-test (MBIST) controller, and includes writing data to the static array, transferring data from the static array to the active array, and reading data from the active array. The method further includes, in a plurality of subsequent cycles, writing data to the static array; transferring data from static array to the active array, and reading data from the active array, wherein said writing data for each subsequent cycle is performed concurrently with reading data for a previous cycle.