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US 8,570,799 B2Granted
Magnetic random access memory with conversion circuitry
AssigneeIntel Mobile Communications GmbH
InventorsUwe Hildebrand, Josef Hausner, Matthias Obermeier, Daniel Bergmann
Life of this patent
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Abstract
A magnetic random access memory is configured as a read/write memory and at least a first section of the magnetic random access memory is configured to be converted to a read only memory.
Claims12
A magnetic random access memory device, comprising:
- a magnet random access memory configured as a read/write memory, and
- a conversion circuitry configured to convert at least a first section of the magnet random access memory to a read only memory,
- wherein the conversion circuitry is configured to convert the at least first section to the read only memory in an irreversible manner, and
- wherein the device further comprises at least one write line, and the conversion circuitry comprises a fuse electrically connected to the write line.
1 more element
A magnetic random access memory device, comprising:
- a magnet random access memory configured as a read/write memory, and
- a conversion circuitry configured to convert at least a first section of the magnet random access memory to a read only memory,
- wherein the conversion circuitry is configured to convert the at least first section to the read only memory back to the read/write memory in a reversible manner, and
- wherein the conversion circuitry comprises a storage medium configured to store an information indicating whether a section of the first memory section can be written upon or not.
1 more element
A data processing system, comprising:
- a semiconductor chip,
- a processing unit,
- a magnetic random access memory,
- a static random access memory, and
- a bus system connecting the processing unit, the static random access memory, and the magnetic random access memory with each other,
- wherein the magnetic random access memory and the static random access memory are integrated on the semiconductor die.
3 more elements
A magnetic random access memory device, comprising:
- a magnetic random access memory comprising a first section and a second section, wherein the first section is configured as a read/write memory and the second section is configured as a read only memory, the second section having stored customer specific data or code, and
- a conversion circuitry configured to convert at least a part of the first section of the magnet random access memory to a read only memory.
Dependencies are inferred from the claim text.