Title :
Code-disjoint carry-dependent sum adder with partial look-ahead
Author :
Ocheretnij, V. ; Gössel, M. ; Sogomonyan, E.S.
Author_Institution :
Dept. of Comput. Sci., Univ. of Potsdam, Germany
Abstract :
In this paper a self-checking code-disjoint carry-dependent sum adder is proposed. To reduce the hardware overhead, only every 4-th carry is generated by a look-ahead unit. To check the input parity, internal nodes of the adder cells are utilized
Keywords :
adders; built-in self test; carry logic; delays; integrated circuit testing; code-disjoint carry-dependent sum adder; hardware overhead; input parity; internal nodes; maximal delay; partial look-ahead; self-checking adder; two-rail checker; Computer errors; Computer science; Equations; Gas detectors; Hardware; Parity check codes;
Conference_Titel :
On-Line Testing Workshop, 2001. Proceedings. Seventh International
Conference_Location :
Taormina
Print_ISBN :
0-7695-1290-9
DOI :
10.1109/OLT.2001.937834
