JPS6481058A - Semiconductor memory device - Google Patents

Semiconductor memory device

Info

Publication number
JPS6481058A
JPS6481058A JP62237241A JP23724187A JPS6481058A JP S6481058 A JPS6481058 A JP S6481058A JP 62237241 A JP62237241 A JP 62237241A JP 23724187 A JP23724187 A JP 23724187A JP S6481058 A JPS6481058 A JP S6481058A
Authority
JP
Japan
Prior art keywords
data
key data
access
supplied
comparison
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP62237241A
Other languages
English (en)
Inventor
Yasuro Kubota
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi ULSI Engineering Corp
Hitachi Ltd
Original Assignee
Hitachi ULSI Engineering Corp
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi ULSI Engineering Corp, Hitachi Ltd filed Critical Hitachi ULSI Engineering Corp
Priority to JP62237241A priority Critical patent/JPS6481058A/ja
Publication of JPS6481058A publication Critical patent/JPS6481058A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Storage Device Security (AREA)
JP62237241A 1987-09-24 1987-09-24 Semiconductor memory device Pending JPS6481058A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62237241A JPS6481058A (en) 1987-09-24 1987-09-24 Semiconductor memory device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62237241A JPS6481058A (en) 1987-09-24 1987-09-24 Semiconductor memory device

Publications (1)

Publication Number Publication Date
JPS6481058A true JPS6481058A (en) 1989-03-27

Family

ID=17012484

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62237241A Pending JPS6481058A (en) 1987-09-24 1987-09-24 Semiconductor memory device

Country Status (1)

Country Link
JP (1) JPS6481058A (ja)

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