Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2011/12/01 Vol. E94-ANo. 12pp. 2669-2675 Type of Manuscript: Special Section PAPER (Special Section on VLSI Design and CAD Algorithms) Category: High-Level Synthesis and System-Level Design Keyword: soft error, hardened design, variability, test structure, shift register,