METHODS FOR PHASE-CHANGE MEMORY ARRAY
First Claim
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1. A method of operating a memory structure, comprising:
- determining a pattern to be written to the memory structure, the memory structure comprising multiple memory cells having a storage element including a chalcogenide material, the pattern comprising both real data bits representing data to be stored and fake data bits having a state that is unimportant to the data to be stored; and
writing the pattern to a group of the memory cells.
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Abstract
Methods of operating phase-change memory arrays are described. A method includes determining a pattern to be written to a phase-change memory array and executing, according to the pattern, two or more proper reset sequences on the phase-change memory array to write the pattern to the phase-change memory array. Another method includes executing a set sequence on a phase-change memory array and performing a proper read of the phase-change memory array to obtain a pattern derived from executing the set sequence.
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Citations
23 Claims
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1. A method of operating a memory structure, comprising:
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determining a pattern to be written to the memory structure, the memory structure comprising multiple memory cells having a storage element including a chalcogenide material, the pattern comprising both real data bits representing data to be stored and fake data bits having a state that is unimportant to the data to be stored; and writing the pattern to a group of the memory cells. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A system, comprising:
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a memory array including multiple memory cells including storage elements comprising a chalcogenide material; one or more processors coupled to the memory array configured to determine a pattern to be written to a group of memory cells of the memory array, the pattern comprising both real data bits having a state representative of data to be stored, and fake data bits having a state that is unimportant to the data of the real data bits; and an internal state machine coupled to the memory array and configured to write the pattern to the group of memory cells of memory array. - View Dependent Claims (18, 19, 20, 21, 22, 23)
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Specification