Invention Grant
- Patent Title: Semiconductor memory devices and repair methods of the semiconductor memory devices
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Application No.: US17024396Application Date: 2020-09-17
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Publication No.: US11621050B2Publication Date: 2023-04-04
- Inventor: Jae Il Lim , Su Hae Woo
- Applicant: SK hynix Inc.
- Applicant Address: KR Icheon-si
- Assignee: SK hynix Inc.
- Current Assignee: SK hynix Inc.
- Current Assignee Address: KR Icheon-si
- Agency: William Park & Associates Ltd.
- Priority: KR10-2020-0033926 20200319
- Main IPC: G11C29/44
- IPC: G11C29/44 ; G11C29/38 ; G06F11/20 ; G11C29/16 ; G11C29/00

Abstract:
A semiconductor memory device includes a memory and a memory controller configured to control the memory. The memory controller includes a normal operation control part and a repair part. The normal operation control part is configured to control a normal operation of the memory and includes a plurality of storage spaces used while the normal operation is controlled. The repair part is configured to control a repair operation of the memory and stores faulty addresses detected while the repair operation is controlled into the plurality of storage spaces included in the normal operation control part.
Public/Granted literature
- US20210295944A1 SEMICONDUCTOR MEMORY DEVICES AND REPAIR METHODS OF THE SEMICONDUCTOR MEMORY DEVICES Public/Granted day:2021-09-23
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