Title:
SEMICONDUCTOR MEMORY DEVICE AND METHOD
Document Type and Number:
WIPO Patent Application WO/2023/120106
Kind Code:
A1
Abstract:
A semiconductor memory device (100) comprises: a normal cell array (11a) that includes a plurality of normal cells (11) each of which is constituted by a nonvolatile memory cell; and a plurality of dummy cells (12) which are disposed in at least a partial region of an outer peripheral region of the normal cell array (11a), and each of which is constituted by a nonvolatile memory cell. Information pertaining to the semiconductor memory device (100) is written in at least some of the dummy cells (12) among the plurality of dummy cells (12).
Inventors:
SHIMADA GAKU (JP)
TAMURA ATSUSHI (JP)
TAMURA ATSUSHI (JP)
Application Number:
PCT/JP2022/044504
Publication Date:
June 29, 2023
Filing Date:
December 02, 2022
Export Citation:
Assignee:
SONY SEMICONDUCTOR SOLUTIONS CORP (JP)
International Classes:
G11C29/00; G11C11/16
Foreign References:
| JP2012069175A | 2012-04-05 | |||
| JP2008181633A | 2008-08-07 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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