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US 8,264,880 B1Granted
Reprogramming non-volatile memory devices for read disturbance mitigation
AssigneeMarvell International Ltd.
InventorXueshi Yang
Life of this patent
Estimating the term…
Abstract
The present disclosure includes systems and techniques relating to non-volatile memory. A described device includes a non-volatile memory structure including a first data area, and a second data area that stores information. The information can include a first value corresponding to the first data area, the first value being set responsive to a last programming cycle on the first data area, and a second value indicating a total number of programming or erasing operations on the first data area.
Claims19
A device comprising:
- a non-volatile memory structure comprising a first data area;
- and
- a second data area that stores information, the information comprising a first value corresponding to the first data area, the first value being set responsive to a last programming cycle on the first data area, and a second value indicating a total number of programming or erasing operations on the first data area.
A system comprising:
- a non-volatile memory structure comprising a first data area;
- a second data area that stores information, the information comprising a first value corresponding to the first data area, the first value being set responsive to a last programming cycle on the first data area, and a second value indicating a total number of programming or erasing operations on the first data area;
- and
- circuitry configured to selectively reprogram data of the first data area based on the first value and the second value.
1 more element
An apparatus comprising:
- a non-volatile memory structure comprising data areas;
- write counters corresponding to the data areas, the write counters indicating a number of programming or erasing operations on corresponding ones of the data areas;
- and
- read counters corresponding to the data areas, the read counters indicating a number of read operations on corresponding ones of the data areas, each read counter being set to zero in response to a programming or erasing operation on a corresponding one of the data areas.
1 more element
Dependencies are inferred from the claim text.