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DFT Infrastructure for Broadside Two-Pattern Test of Core-Based SOCs
April 2006 (vol. 55 no. 4)
pp. 470-485
ASCII Text
x 
 
Qiang Xu, Nicola Nicolici, "DFT Infrastructure for Broadside Two-Pattern Test of Core-Based SOCs," IEEE Transactions on Computers, vol. 55, no. 4, pp. 470-485, April, 2006.
 
 
BibTex
x
 
@article{ 10.1109/TC.2006.56,
author = {Qiang Xu and Nicola Nicolici},
title = {DFT Infrastructure for Broadside Two-Pattern Test of Core-Based SOCs},
journal ={IEEE Transactions on Computers},
volume = {55},
number = {4},
issn = {0018-9340},
year = {2006},
pages = {470-485},
doi = {http://doi.ieeecomputersociety.org/10.1109/TC.2006.56},
publisher = {IEEE Computer Society},
address = {Los Alamitos, CA, USA},
}
 
 
RefWorks Procite/RefMan/Endnote
x 
 
TY - JOUR
JO - IEEE Transactions on Computers
TI - DFT Infrastructure for Broadside Two-Pattern Test of Core-Based SOCs
IS - 4
SN - 0018-9340
SP470
EP485
EPD - 470-485
A1 - Qiang Xu,
A1 - Nicola Nicolici,
PY - 2006
KW - System-on-a-chip
KW - embedded core delay test.
VL - 55
JA - IEEE Transactions on Computers
ER -
 
Existing approaches for modular manufacturing test of core-based system-on-a-chip (SOC) devices do not provide any explicit mechanism for delivering two-pattern tests in the broadside mode, which is necessary to achieve reliable coverage of delay and stuck-open faults. Although wrapper input cells can be enhanced with two memory elements to address this problem, this will incur a large test area overhead. This paper proposes a novel architecture for broadside two-pattern test of core-based SOCs without any loss in fault coverage and without increasing the size of the wrapper input cells. The proposed solution combines the dedicated bus-based test access mechanism and functional interconnects for test data transfer in order to provide full controllability of the wrapper input cells in the two consecutive clock cycles required by two-pattern testing. New algorithms for test access mechanism design and test scheduling are proposed and design trade-offs between test area and testing time are discussed using experimental results.

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Index Terms:
System-on-a-chip, embedded core delay test.
Citation:
Qiang Xu, Nicola Nicolici, "DFT Infrastructure for Broadside Two-Pattern Test of Core-Based SOCs," IEEE Transactions on Computers, vol. 55, no. 4, pp. 470-485, April 2006, doi:10.1109/TC.2006.56
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