| US 7,545,673 B2 | ||
| Using MLC flash as SLC by writing dummy data | ||
| Menahem Lasser, Kohav-Yair (Israel) | ||
| Assigned to Sandisk IL Ltd., Kfar Saba (Israel) | ||
| Filed on Sep. 25, 2007, as Appl. No. 11/861,140. | ||
| Prior Publication US 2009/0080247 A1, Mar. 26, 2009 | ||
| Int. Cl. G11C 16/04 (2006.01) | ||
| U.S. Cl. 365—185.03 [365/185.28; 365/185.33] | 18 Claims |
| 1. A method for storing data, comprising:
in a memory array comprising cells configured for writing a first number of bits per cell, designating a group of the cells
to which input data are to be written at a second number of bits per cell, smaller than the first number;
storing dummy data that are independent of the input data in a first set of one or more bits of the cells in the group; and
writing the input data to a second set of at least one other bit of the cells in the group.
|