DATA SCRAMBLER TO MITIGATE ROW HAMMER CORRUPTION
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United States of America
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Issued Date -
Dec 9, 2021
app pub date -
Aug 25, 2021
filing date -
Aug 25, 2021
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Abstract
A memory system includes a memory device having a memory array that stores data based on address bits, including a row address. The memory system includes a memory controller having scrambler circuitry to apply a data mask to scramble data to be stored in the memory array. The scrambler can apply the data mask to scramble data for a write operation. The data scrambler can unscramble data for a read operation. The data mask has a pseudorandom pattern based at least in part on the row address of the data to be written or read.
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