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IEICE TRANSACTIONS on Information

A Design for Testability of Open Defects at Interconnects in 3D Stacked ICs

Fara ASHIKIN, Masaki HASHIZUME, Hiroyuki YOTSUYANAGI, Shyue-Kung LU, Zvi ROTH

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Summary :

A design-for-testability method and an electrical interconnect test method are proposed to detect open defects occurring at interconnects among dies and input/output pins in 3D stacked ICs. As part of the design method, an nMOS and a diode are added to each input interconnect. The test method is based on measuring the quiescent current that is made to flow through an interconnect to be tested. The testability is examined both by SPICE simulation and by experimentation. The test method enabled the detection of open defects occurring at the newly designed interconnects of dies at experiments test speed of 1MHz. The simulation results reveal that an open defect generating additional delay of 279psec is detectable by the test method at a test speed of 200MHz beside of open defects that generate no logical errors.

Publication
IEICE TRANSACTIONS on Information Vol.E101-D No.8 pp.2053-2063
Publication Date
2018/08/01
Publicized
2018/05/09
Online ISSN
1745-1361
DOI
10.1587/transinf.2018EDP7093
Type of Manuscript
PAPER
Category
Dependable Computing

Authors

Fara ASHIKIN
  Tokushima University,Universiti Teknikal Malaysia Melaka
Masaki HASHIZUME
  Tokushima University
Hiroyuki YOTSUYANAGI
  Tokushima University
Shyue-Kung LU
  National Taiwan University of Science and Technology
Zvi ROTH
  Florida Atlantic University

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