Oblon, McClellands, Maier & Neustadt, L.L.P.
Chien search device, storage device, and chien search method
According to one embodiment, a chien search device includes n operation units configured to perform exclusive-OR operations, for each of the coefficients. Further, the chien search device includes first register configured to hold operation results of a highest order operation unit, for each of the coefficients. Furthermore, the chien search device includes exclusive-OR operation unit configured to perform exclusive-OR operations of the results of the first exclusive-OR operations of the highest order operation unit, for each of the coefficients. Moreover, the chien search device includes second register configured to hold operation results of the exclusive-OR operation unit, for each of the coefficients. The respective operation units reduce the number of stages of exclusive-OR operations by using the second register values.
Kabushiki Kaisha Toshiba
H H H
H03M H03M H03M
inventional inventional inventional
Hidetoshi Kenji Yosuke
Tsuneda Yoshida Kondo