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US 2023/0402086 A1Published application
Memory system
AssigneeSK hynix Inc.
InventorWoongrae KIM
Life of this patent
Estimating the term…
Abstract
A memory system includes: a normal memory area suitable for storing normal data; a security memory area suitable for storing security data; a first row hammer detection circuit suitable for sampling and counting a portion of rows that are activated in the normal memory area to select first rows that need to be refreshed; and a second row hammer detection circuit suitable for counting all rows that are activated in the security memory area to select second rows that need to be refreshed.
Claims9
A memory system, comprising:
- a normal memory area suitable for storing normal data;
- a security memory area suitable for storing security data;
- and
- a processor including a cache memory,
- wherein the security memory area is allowed to be accessed, by the processor, only via the cache memory.
2 more elements
Dependencies are inferred from the claim text.