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Optimal SoC Test Interface for Wafer and Final Tests

Title
Optimal SoC Test Interface for Wafer and Final Tests
Author
박성주
Issue Date
2008-06
Publisher
한국반도체테스트협회
Citation
제9회 한국테스트학술대회, C-2
Abstract
The throughput of wafer testing can be significantly improved by allowing multi-site test through the reduced pin count testing (RPCT). Nonetheless, owing to the reduced number of test ports with the lengthy test patterns serialized for the RPCT, the throughput of the final test is even degraded. In this paper, an efficient RPCT for wafer test is introduced for system-on-a-chips (SoC) with IEEE 1500 wrapped cores, and then the RPCT is transformed to full pin test interface for the final package test. A mathematically analyzed guideline is provided to adopt the RPCT for SoCs embedding modules that require too lengthy scan test patterns. Experiments show the effectiveness of our technique in globally improving the test throughput with an unusual case where the throughput was even degraded with the RPCT for wafer test.
URI
http://www.koreatest.or.kr/sub02/2008data/report/9th_koreatest.pdfhttp://repository.hanyang.ac.kr/handle/20.500.11754/80408
Appears in Collections:
COLLEGE OF COMPUTING[E] > COMPUTER SCIENCE(소프트웨어학부) > Articles
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