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Power Supply Noise Reduction in Broadcast-Based Compression Environment for At-speed Scan Testing

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3 Author(s)
Chun-Yong Liang ; Grad. Inst. of Electron. Eng., Nat. Taiwan Univ., Taipei, Taiwan ; Meng-Fan Wu ; Jiun-Lang Huang

This work proposes a power supply noise reduction technique for at-speed testing in the broadcast-based test compression environment. The core technology is the X-slice creation technique, it comprises the scan-chain skew-insertion hardware and the skew configuration generation algorithm. With the created X-slices, the efficiency of X-slice filling to lower the launch cycle switching activity is improved. Effectiveness of the proposed technique is validated with ISCAS89 and ITC99 benchmark circuits.

Published in:

2010 19th IEEE Asian Test Symposium

Date of Conference:

1-4 Dec. 2010