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Patent Searching and Data


Title:
REPAIR CIRCUIT AND MEMORY
Document Type and Number:
WIPO Patent Application WO/2022/083146
Kind Code:
A1
Abstract:
A repair circuit and a memory, the repair circuit comprising: a plurality of redundant storage units, each redundant storage unit being configured with a status signal; and a repair module, which is separately connected to the plurality of redundant storage units, and is used to determine target storage units from among the plurality of redundant storage units according to a plurality of status signals, and repair defective storage units by means of the target storage units, wherein the target storage units are in one-to-one correspondence with the defective storage units. The repair module is able to repair different defective storage units at a plurality of repair stages, and the plurality of repair stages share the plurality of redundant storage units.

Inventors:
ZHANG LIANG (CN)
Application Number:
PCT/CN2021/100781
Publication Date:
April 28, 2022
Filing Date:
June 18, 2021
Export Citation:
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Assignee:
CHANGXIN MEMORY TECH INC (CN)
International Classes:
G11C29/44
Foreign References:
CN101377959A2009-03-04
CN107017029A2017-08-04
CN106257595A2016-12-28
CN102290104A2011-12-21
US20050232036A12005-10-20
CN202011124159A2020-10-20
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (CN)
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