Memory, memory system, and operation method of memory system
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United States of America Patent
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Sep 5, 2023
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N/A
app pub date -
Jun 22, 2021
filing date -
Jun 22, 2020
priority date (Note) -
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Abstract
A memory includes: a non-volatile memory suitable for storing a defect address; a register suitable for receiving and storing the defect address from the non-volatile memory during a boot-up operation, and receiving and storing an address that is input from an exterior during a register access operation; a comparison circuit suitable for comparing the address stored in the register with an address that is input from the exterior to produce a comparison result; redundant memory cells that are accessed according to the comparison result of the comparison circuit and a redundancy activation bit; and normal memory cells that are accessed according to the comparison result of the comparison circuit and the redundancy activation bit.
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