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A built-in self-test and self-diagnosis scheme for heterogeneous SRAM clusters

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8 Author(s)
Chih-Wea Wang ; Dept. of Electr. Eng., Nat. Tsing Hua Univ., Hsinchu, Taiwan ; Ruey-Shing Tzeng ; Chi-Feng Wu ; Chih-Tsun Huang
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Testing and diagnosis are important issues in system-on-chip (SoC) development, as more and more embedded cores are being integrated into the chips. In this paper we propose a built-in self-test (BIST) and self-diagnosis (BISD) scheme for embedded SRAMs, suitable for SoC applications. It supports manufacturing test as well as diagnosis for design verification and yield improvement. With low hardware cost, our memory BISD approach can handle various types of SRAM, including pipelined, multi-port, and multi-clock architectures. In addition, a test scheduling methodology and a BISD compiler are also implemented, which reduce the testing time as well as test development time

Published in:

Test Symposium, 2001. Proceedings. 10th Asian

Date of Conference:

2001