This paper introduces a method that enables failure diagnosis of BISTed memories by compression of test responses. This method has been tested by simulation of memories with various specifications, fail patterns and test algorithms. The proposed method has been implemented in 0.18 CMOS IC.
Index Terms:
BIST, diagnosis, RAM testing, bitmap, process monitoring, memory repair.
Citation:
John T. Chen, Wojciech Maly, Janusz Rajski, Omar Kebichi, Jitendra Khare, "Enabling Embedded Memory Diagnosis via Test Response Compression," vts, pp.0292, 19th IEEE VLSI Test Symposium, 2001