KR890014242U - 메모리 데이터 보호 회로 - Google Patents

메모리 데이터 보호 회로

Info

Publication number
KR890014242U
KR890014242U KR2019870023498U KR870023498U KR890014242U KR 890014242 U KR890014242 U KR 890014242U KR 2019870023498 U KR2019870023498 U KR 2019870023498U KR 870023498 U KR870023498 U KR 870023498U KR 890014242 U KR890014242 U KR 890014242U
Authority
KR
South Korea
Prior art keywords
protection circuit
memory data
data protection
memory
circuit
Prior art date
Application number
KR2019870023498U
Other languages
English (en)
Other versions
KR900008240Y1 (ko
Inventor
김명규
Original Assignee
삼성전자 주식회사
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 삼성전자 주식회사 filed Critical 삼성전자 주식회사
Priority to KR2019870023498U priority Critical patent/KR900008240Y1/ko
Publication of KR890014242U publication Critical patent/KR890014242U/ko
Application granted granted Critical
Publication of KR900008240Y1 publication Critical patent/KR900008240Y1/ko

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00Accessing, addressing or allocating within memory systems or architectures
    • G06F12/14Protection against unauthorised use of memory or access to memory
    • G06F12/1458Protection against unauthorised use of memory or access to memory by checking the subject access rights
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00Accessing, addressing or allocating within memory systems or architectures
    • G06F12/14Protection against unauthorised use of memory or access to memory
    • G06F12/1416Protection against unauthorised use of memory or access to memory by checking the object accessibility, e.g. type of access defined by the memory independently of subject rights
    • G06F12/1425Protection against unauthorised use of memory or access to memory by checking the object accessibility, e.g. type of access defined by the memory independently of subject rights the protection being physical, e.g. cell, word, block
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60Protecting data
    • G06F21/62Protecting access to data via a platform, e.g. using keys or access control rules

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Bioethics (AREA)
  • General Health & Medical Sciences (AREA)
  • Computer Hardware Design (AREA)
  • Software Systems (AREA)
  • Storage Device Security (AREA)
KR2019870023498U 1987-12-29 1987-12-29 메모리 데이터 보호 회로 KR900008240Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019870023498U KR900008240Y1 (ko) 1987-12-29 1987-12-29 메모리 데이터 보호 회로

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019870023498U KR900008240Y1 (ko) 1987-12-29 1987-12-29 메모리 데이터 보호 회로

Publications (2)

Publication Number Publication Date
KR890014242U true KR890014242U (ko) 1989-08-10
KR900008240Y1 KR900008240Y1 (ko) 1990-09-10

Family

ID=19270925

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019870023498U KR900008240Y1 (ko) 1987-12-29 1987-12-29 메모리 데이터 보호 회로

Country Status (1)

Country Link
KR (1) KR900008240Y1 (ko)

Also Published As

Publication number Publication date
KR900008240Y1 (ko) 1990-09-10

Similar Documents

Publication Publication Date Title
KR890021760U (ko) 메모리카드용 코넥터
KR890015268A (ko) 반도체 기억회로
DE3582976D1 (de) Datenverzoegerungs- und speicherschaltung.
DE3776049D1 (de) Elektronische gedaechtnisstuetze.
KR860004462A (ko) 리드 온리 메모리(Read Only Memory)회로
EP0278832A3 (en) Memory reading circuit
DE3484830D1 (de) Fensteradressierbare speicherschaltung.
GB2211327B (en) Memory protection circuit
DE3883064D1 (de) Festwertspeicherschaltung.
FI884979A (fi) Muistibitin ennakointipiiri
DE3855683D1 (de) Daten-Transferschaltung
DE69129739D1 (de) Speicherschaltung
DE68926541D1 (de) Adressenmodifizierungsschaltung
DE4207085B8 (de) Datenleseschaltkreis
TR23376A (tr) Payplayn hafiza struektuerue
DE69316944D1 (de) Datenschutzschaltung
KR890014242U (ko) 메모리 데이터 보호 회로
DE3587387D1 (de) Speicherschnittstellenschaltung.
KR900013271U (ko) 메모리 보호회로
KR870010938U (ko) 메모리의 데이타 보호회로
KR870007558U (ko) 비데오 메모리 회로
KR910013237U (ko) 데이타 감지 증폭기 회로
KR870010933U (ko) 메모리의 데이타 충돌 방지회로
KR870001108U (ko) 다중 메모리 회로
KR910012469U (ko) 메모리 보호회로

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 20010830

Year of fee payment: 12

LAPS Lapse due to unpaid annual fee