SYSTEMS AND METHODS FOR TEMPORARILY RETIRING MEMORY PORTIONS
First Claim
Patent Images
1. Flash memory apparatus including:
- a plurality of memory portions, anda controller operative to reserve for data retention purposes, for at least a first duration of time, only certain portions from among said plurality of memory portions including allocating data, during said first duration of time, only to said certain portions, thereby to define at least one of the plurality of memory portions other than to said certain portions as a retired memory portion for said first duration of time.
9 Assignments
0 Petitions
Accused Products
Abstract
Flash memory apparatus including a plurality of memory portions, and a controller operative to reserve for data retention purposes, for at least a first duration of time, only certain portions from among said plurality of memory portions including allocating data, during the first duration of time, only to the certain portions, thereby to define at least one of the plurality of memory portions other than the certain portions as a retired memory portion for the first duration of time.
226 Citations
27 Claims
-
1. Flash memory apparatus including:
a plurality of memory portions, and a controller operative to reserve for data retention purposes, for at least a first duration of time, only certain portions from among said plurality of memory portions including allocating data, during said first duration of time, only to said certain portions, thereby to define at least one of the plurality of memory portions other than to said certain portions as a retired memory portion for said first duration of time. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 25)
-
23. A method for operating a flash memory device comprising a multiplicity of flash memory cells, said method comprising:
-
programming selected ones from among said multiplicity of cells; and for at least one individual cell of said multiplicity of cells, tracking the amount of time since programming last occurred in said individual cell. - View Dependent Claims (27)
-
-
24. A memory device comprising:
-
an array of semiconductor cells undergoing cycling causing deterioration of said cells; and at least one heating element operative to heat at least one cell of said array of semiconductor cells thereby reducing the cell'"'"'s deterioration due to said cycling.
-
-
26. A method for using Flash memory apparatus, the method including:
reserving for data retention purposes, for at least a first duration of time, only certain portions from among said plurality of memory portions including allocating data, during said first duration of time, only to said certain portions, thereby to define at least one of the plurality of memory portions other than said certain portions as a retired memory portion for said first duration of time.
Specification