Title
Distribution-Controlled X-Identification For Effective Reduction Of Launch-Induced Ir-Drop In At-Speed Scan Testing
Abstract
Test data modification based on test relaxation and X-filling is the preferred approach for reducing excessive IR-drop in at-speed scan testing to avoid test-induced yield loss. However, none of the existing test relaxation methods can control the distribution of identified don't care bits (X-bits), thus adversely affecting the effectiveness of IR-drop reduction. In this paper, we propose a novel test relaxation method, called Distribution-Controlled X-Identification (DC-XID), which controls the distribution of X-bits identified in a set of fully-specified test vectors for the purpose of effectively reducing IR-drop. Experiments on large industrial circuits demonstrate the effectiveness and practicality of the proposed method in reducing IR-drop, without lowering fault coverage, increasing test data volume and circuit size.
Year
DOI
Venue
2011
10.1587/transinf.E94.D.1216
IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS
Keywords
Field
DocType
ATPG, X-bit, X-identification, X-filling
Fault coverage,Computer science,Artificial intelligence,Real versus nominal value,Test method,Automatic test pattern generation,Power network design,Pattern recognition,Simulation,Relaxation (iterative method),Algorithm,Test data,Test compression
Journal
Volume
Issue
ISSN
E94D
6
1745-1361
Citations 
PageRank 
References 
0
0.34
16
Authors
9
Name
Order
Citations
PageRank
Kohei Miyase156238.71
Kenji Noda2302.91
Hideaki Ito3252.02
Kazumi Hatayama414116.66
Takashi Aikyo59311.46
Yuta Yamato61389.45
Hiroshi Furukawa7223.63
Xiaoqing Wen879077.12
Seiji Kajihara998973.60