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:
Feb. 26, 2019

Filed:

Dec. 05, 2017
Applicant:

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

Inventors:

Raghu G. GopalaKrishnaSetty, Bangalore, IN;

Ankit N. Kagliwal, Nagpur, IN;

Sridhar H. Rangarajan, Bangalore, IN;

James D. Warnock, Somers, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 17/50 (2006.01); G01R 31/317 (2006.01);
U.S. Cl.
CPC ...
G06F 17/5072 (2013.01); G01R 31/31704 (2013.01); G01R 31/31723 (2013.01);
Abstract

A method includes receiving a circuit design comprising an input scan chain comprising a plurality of latches connected by one or more scan connections, dividing the plurality of latches into one or more clusters, determining a number of scan controls for each cluster, placing the determined scan controls in selected locations; and adjusting the scan connections based on the scan control location. A corresponding computer system and computer program product are also disclosed.


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