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Patent Searching and Data


Title:
SEMICONDUCTOR MEMORY DEVICE AND ELECTRONIC APPARATUS
Document Type and Number:
WIPO Patent Application WO/2019/163567
Kind Code:
A1
Abstract:
[Problem] To enable rewrites, which are due to the influence of external factors, of information held in memory elements to be detected in a preferred manner. [Solution] A semiconductor memory device provided with: multiple memory elements each transitioning to one of multiple states in accordance with a voltage applied thereto; a control unit for, upon allocating at least two memory elements included in the multiple memory elements as one bit, controlling the application of the voltage to each of the two or more memory elements corresponding to each of the bits; and a determination unit for determining that the bit is normal if the states of some of the two or more memory elements allocated as the bit are different from the states of the other memory elements, and determining that the bit is abnormal if the respective states of the two or more memory elements are the same.

Inventors:
SATO, Masahiro (4-14-1 Asahi-cho, Atsugi-sh, Kanagawa 14, 〒2430014, JP)
Application Number:
JP2019/004646
Publication Date:
August 29, 2019
Filing Date:
February 08, 2019
Export Citation:
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Assignee:
SONY SEMICONDUCTOR SOLUTIONS CORPORATION (4-14-1, Asahi-cho Atsugi-sh, Kanagawa 14, 〒2430014, JP)
International Classes:
G11C11/16
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (Toranomon Mitsui Building, 8-1 Kasumigaseki 3-chome, Chiyoda-k, Tokyo 13, 〒1000013, JP)
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