摘要 |
PROBLEM TO BE SOLVED: To provide a memory which can suppress erasure of data in a memory cell by accumulated disturbance. SOLUTION: This memory includes a memory cell 21 and a refresh control circuit 3 to perform rewrite to the memory cell 21. The refresh control circuit 3 performs read and rewrite to the memory cell 21 when falling down of power supply. COPYRIGHT: (C)2007,JPO&INPIT
|