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. 26, 2017

Filed:

Mar. 06, 2013
Applicant:

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

Inventors:

Kevin W. Gorman, Fairfax, VT (US);

Deepak I. Hanagandi, Karnataka, IN;

Krishnendu Mondal, Bangalore, IN;

Michael R. Ouellette, Westford, VT (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C 29/40 (2006.01); G01R 31/317 (2006.01); G01R 31/3185 (2006.01);
U.S. Cl.
CPC ...
G11C 29/40 (2013.01); G01R 31/31703 (2013.01); G01R 31/318547 (2013.01);
Abstract

Aspects of the invention provide for reducing BIST test time for a memory of an IC chip. In one embodiment, a BIST architecture for reducing BIST test time of a memory for an integrated circuit (IC) chip, the architecture comprising: a pair of latches for receiving bursts of data from a memory; a first compression stage for receiving a burst of data and compressing the burst of data into a plurality of latches; a second compression stage for comparing the compressed bursts of data with expected data; and a logic gate for determining whether there is a fail in the burst of data.


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