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A New Self-Checking and Code-Disjoint Non-Restoring Array Divider
Lake of Como, Italy July 10-July 12
DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/IOLTS.2006.712th IEEE International On-Line Testi ...
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D. Marienfeld, University of Potsdam, Germany
E. S. Sogomonyan, University of Potsdam, Germany
V. Otcheretnij, University of Potsdam, Germany
M. G?ssel, University of Potsdam, Germany
In this paper a new code-disjoint self-checking nonrestoring array divider is proposed. The divider array which is designed by use of different carry-dependent sumadder cells is parity checked. Only a single carry-out signal per adder cell is needed. Both the output registers for the dividend and for the remainder are (inverted) duplicated to guarantee a high coverage for soft errors. For the first time also the final correction adder is concurrently checked. Non-restoring array dividers for 8-bit, 16-bit and 32-bit dividends are designed by use of the SYNOPSYS tools by EUROPRACTICE.

Compared to a non-restoring array divider without error detection the area overhead is about 30 % and the additional delay is only from 2% to 11 %.

Citation:
D. Marienfeld, E. S. Sogomonyan, V. Otcheretnij, M. G?ssel, "A New Self-Checking and Code-Disjoint Non-Restoring Array Divider," iolts, pp.23-30, 12th IEEE International On-Line Testing Symposium (IOLTS'06), 2006
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