Skhynix Inc.

Da Hoo Kim

Il Han Park

A memory may include: a pseudorandom number generator suitable for generating a pseudorandom number using an initial value transferred from a memory controller; an access key register suitable for storing an access key transferred from the memory controller; a counter suitable for counting the number of times that the access key register is updated to generate an update number; a logic operation circuit suitable for generating an authentication key by performing a logic operation on the pseudorandom number and the update number; a comparison circuit suitable for comparing the access key and the authentication key; and a security area to which access is allowed when the comparison result of the comparison circuit indicates that the access key and the authentication key are the same.

Memory and memory system

A method of operating a memory comprises reading a first node including first data and a first link; writing the first data to a data collecting area; updating a first collecting link of the first data, which is written in the data collecting area to a position in the data collecting area; reading a second node corresponding to the first link, the second node including second data and a second link; and writing the second data to a position in the data collecting area, which is designated by the first collecting link.

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Gyeonggi-do, South Korea

Da Hoo Kim