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US 7,120,777 B2Granted
Device identification using a memory profile
OwnerTodd C. Adelmanninventor
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Abstract
In accordance with an embodiment of the present invention, a method for identification of a semiconductor device having a plurality of memory blocks, comprises accessing a memory profile for the semiconductor device based at least in part on an identification of defective memory blocks of the semiconductor device and determining a unique identifier for the semiconductor device based at least in part on the memory profile of the semiconductor device.
Claims9
A semiconductor device, comprising:
- a plurality of memory blocks for storing data;
- and
- a memory device identifier assigned to the semiconductor device, the memory device identifier determined based at least in part on a mapping table comprising information relating to mapping of a plurality of logical addresses of the plurality of memory blocks to selected ones of the plurality of memory blocks.
A semiconductor device, comprising:
- a plurality of memory blocks for storing data;
- and
- a memory device identifier assigned to the semiconductor device, the memory device identifier based at least in part on a memory profile of the semiconductor device, the memory profile based at least in part on an identification of defective memory blocks of the plurality of memory blocks.
Dependencies are inferred from the claim text.