JPS51124332A - Memory protection device - Google Patents

Memory protection device

Info

Publication number
JPS51124332A
JPS51124332A JP50049992A JP4999275A JPS51124332A JP S51124332 A JPS51124332 A JP S51124332A JP 50049992 A JP50049992 A JP 50049992A JP 4999275 A JP4999275 A JP 4999275A JP S51124332 A JPS51124332 A JP S51124332A
Authority
JP
Japan
Prior art keywords
protection device
memory protection
memory
signal
read
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.)
Granted
Application number
JP50049992A
Other languages
Japanese (ja)
Other versions
JPS5636519B2 (en
Inventor
Ikuzo Ono
Toru Takegawa
Hisao Toyama
Minoru Oka
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.)
Omron Corp
Original Assignee
Tateisi Electronics Co
Omron Tateisi Electronics Co
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 Tateisi Electronics Co, Omron Tateisi Electronics Co filed Critical Tateisi Electronics Co
Priority to JP50049992A priority Critical patent/JPS51124332A/en
Publication of JPS51124332A publication Critical patent/JPS51124332A/en
Publication of JPS5636519B2 publication Critical patent/JPS5636519B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To prevent any memory destruction by using AND of the read-out and load completion signal and power supply off signal from the memory.
COPYRIGHT: (C)1976,JPO&Japio
JP50049992A 1975-04-23 1975-04-23 Memory protection device Granted JPS51124332A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50049992A JPS51124332A (en) 1975-04-23 1975-04-23 Memory protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50049992A JPS51124332A (en) 1975-04-23 1975-04-23 Memory protection device

Publications (2)

Publication Number Publication Date
JPS51124332A true JPS51124332A (en) 1976-10-29
JPS5636519B2 JPS5636519B2 (en) 1981-08-25

Family

ID=12846494

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50049992A Granted JPS51124332A (en) 1975-04-23 1975-04-23 Memory protection device

Country Status (1)

Country Link
JP (1) JPS51124332A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53105935A (en) * 1977-02-28 1978-09-14 Toshiba Corp Service interruption detector for electronic computer
JPS5564691A (en) * 1978-11-06 1980-05-15 Nec Corp Halt signal generating circuit
JPS61163442U (en) * 1986-04-03 1986-10-09

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59127935U (en) * 1983-02-18 1984-08-28 トキコ株式会社 buffer

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4936763A (en) * 1972-08-10 1974-04-05

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4936763A (en) * 1972-08-10 1974-04-05

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53105935A (en) * 1977-02-28 1978-09-14 Toshiba Corp Service interruption detector for electronic computer
JPS5564691A (en) * 1978-11-06 1980-05-15 Nec Corp Halt signal generating circuit
JPS6218950B2 (en) * 1978-11-06 1987-04-25 Nippon Electric Co
JPS61163442U (en) * 1986-04-03 1986-10-09

Also Published As

Publication number Publication date
JPS5636519B2 (en) 1981-08-25

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