| 摘要 |
PURPOSE: To provide a device having an incorporated error correcting circuit for correcting the hard error and soft error by providing an error detecting/ correcting means for simultaneously detecting and correcting a part of one of plural data groups refreshed during the data refresh cycle while cooperating with an address counter. CONSTITUTION: The data refresh and data scrubbing are simultaneously performed, and a chip usable signal for reading/writing the data is not in the working state, and the storage device is addressed by a counter 20 with the use of a column address counter 22 and row address counter 24 respectively. Consequently, segments in a block are addressed and read into the error correcting circuit 32 then corrected and rewritten into the original position together with an error code. Thus, when the soft error or the hard error is detected, an additional cycle is unrequired for the correction. |
