Memory system with read reclaim during safety period
AssigneeSK hynix Inc.
InventorJang-Hyun Kim
Life of this patent
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Abstract
A memory system includes a buffer suitable for buffering victim block information, a queue suitable for queuing the victim block information, a scheduling unit suitable for detecting a read reclaim safety period and generating a trigger signal, a queue management unit suitable for detecting a remaining capacity of the queue during the safety period, a buffer management unit suitable for queuing as much of the buffered victim block information in the queue, as the remaining capacity of the queue during the safety period, and an execution unit suitable for performing a read reclaim operation based on the queued victim block information during the safety period.
Claims20
A memory system, comprising:
- a buffer suitable for buffering victim block information;
- a queue suitable for queuing the victim block information;
- a scheduling unit suitable for detecting a read reclaim safety period and generating a trigger signal;
- a queue management unit suitable for detecting a remaining capacity of the queue during the safety period;
- a buffer management unit suitable for queuing as much of the buffered victim block information in the queue, as the remaining capacity of the queue during the safety period;
- and
- an execution unit suitable for performing a read reclaim operation based on the queued victim block information during the safety period.
An operating method for a memory system, comprising:
- storing victim block information in a buffer;
- detecting a read reclaim safety period and generating a trigger signal;
- detecting a remaining capacity of a queue during the safety period;
- queuing as much of the buffered victim block information in the queue as the remaining capacity of the queue during the safety period;
- and
- performing a read reclaim operation based on the queued victim block information during the safety period.
Dependencies are inferred from the claim text.