JPS61168062A - メモリ保護装置 - Google Patents

メモリ保護装置

Info

Publication number
JPS61168062A
JPS61168062A JP60179574A JP17957485A JPS61168062A JP S61168062 A JPS61168062 A JP S61168062A JP 60179574 A JP60179574 A JP 60179574A JP 17957485 A JP17957485 A JP 17957485A JP S61168062 A JPS61168062 A JP S61168062A
Authority
JP
Japan
Prior art keywords
line
memory
cartridge
terminal
voltage
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
JP60179574A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0318218B2 (cg-RX-API-DMAC7.html
Inventor
ジエリ・リン・ガーバー
ジヨージ・ルイス・ナザリオ
ビクター・マイケル・シミ
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of JPS61168062A publication Critical patent/JPS61168062A/ja
Publication of JPH0318218B2 publication Critical patent/JPH0318218B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C5/00Details of stores covered by group G11C11/00
    • G11C5/14Power supply arrangements, e.g. power down, chip selection or deselection, layout of wirings or power grids, or multiple supply levels
    • G11C5/141Battery and back-up supplies
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C7/00Arrangements for writing information into, or reading information out from, a digital store
    • G11C7/24Memory cell safety or protection circuits, e.g. arrangements for preventing inadvertent reading or writing; Status cells; Test cells

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • Storage Device Security (AREA)
  • Thyristors (AREA)
JP60179574A 1985-01-14 1985-08-16 メモリ保護装置 Granted JPS61168062A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/691,022 US4607351A (en) 1985-01-14 1985-01-14 Cartridge memory protection
US691022 1985-01-14

Publications (2)

Publication Number Publication Date
JPS61168062A true JPS61168062A (ja) 1986-07-29
JPH0318218B2 JPH0318218B2 (cg-RX-API-DMAC7.html) 1991-03-12

Family

ID=24774867

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60179574A Granted JPS61168062A (ja) 1985-01-14 1985-08-16 メモリ保護装置

Country Status (4)

Country Link
US (1) US4607351A (cg-RX-API-DMAC7.html)
EP (1) EP0187953B1 (cg-RX-API-DMAC7.html)
JP (1) JPS61168062A (cg-RX-API-DMAC7.html)
DE (1) DE3583019D1 (cg-RX-API-DMAC7.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0314151A (ja) * 1989-06-13 1991-01-22 Hitachi Maxell Ltd メモリカードを用いる情報処理システムのリセット方式
JPH0314150A (ja) * 1989-06-13 1991-01-22 Hitachi Maxell Ltd メモリカード

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4713756A (en) * 1985-02-28 1987-12-15 Westinghouse Electric Corp. Non-volatile memory device for a programmable controller
JPS62121653U (cg-RX-API-DMAC7.html) * 1986-01-21 1987-08-01
US4985870A (en) * 1986-07-02 1991-01-15 Dallas Semiconductor Corporation Apparatus for connecting electronic modules containing integrated circuits and backup batteries
JPH0690872B2 (ja) * 1986-08-18 1994-11-14 東京電気株式会社 メモリ−カ−ド装置
DE69020214T2 (de) * 1989-04-05 1995-11-09 Mitsubishi Electric Corp Informationskarte.
US5212664A (en) * 1989-04-05 1993-05-18 Mitsubishi Denki Kabushiki Kaisha Information card with dual power detection signals to memory decoder
JP2815612B2 (ja) * 1989-05-15 1998-10-27 株式会社ナムコ Cmos入力型icおよび電源切替回路
JPH03147116A (ja) * 1989-11-02 1991-06-24 Mitsubishi Electric Corp 所持携帯型半導体記憶装置
US5408421A (en) * 1991-05-28 1995-04-18 Prest; Edward Portable battery back-up data cartridge
US5748756A (en) * 1996-10-16 1998-05-05 Tlc Industries Inc. Entertainment system with sound storage cartridge and playback device
DE19954258A1 (de) 1999-11-11 2001-05-17 Truetzschler Gmbh & Co Kg Vorrichtung zur elektronischen Steuerung von Spinnereimaschinen, insbesondere Spinnereivorbereitungsmaschinen
CN103187689A (zh) * 2012-04-10 2013-07-03 刘永华 多功能控制保护开关电器的制造方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS569139U (cg-RX-API-DMAC7.html) * 1979-07-03 1981-01-26
JPS58194186A (ja) * 1982-05-07 1983-11-12 Sharp Corp 着脱可能な記憶装置
JPS5990279A (ja) * 1982-11-12 1984-05-24 Toshiba Corp インタ−フエ−ス回路

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3859638A (en) * 1973-05-31 1975-01-07 Intersil Inc Non-volatile memory unit with automatic standby power supply
US4229804A (en) * 1976-06-28 1980-10-21 Fujitsu Fanuc Limited Numerical control unit having a cassette type memory
GB1554013A (en) * 1977-03-19 1979-10-17 Ferranti Ltd Data processing
US4383184A (en) * 1980-06-26 1983-05-10 Texas Instruments Incorporated Power controller
JPS57174720A (en) * 1981-04-21 1982-10-27 Toshiba Corp Data processor
US4445198A (en) * 1981-09-29 1984-04-24 Pitney Bowes Inc. Memory protection circuit for an electronic postage meter

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS569139U (cg-RX-API-DMAC7.html) * 1979-07-03 1981-01-26
JPS58194186A (ja) * 1982-05-07 1983-11-12 Sharp Corp 着脱可能な記憶装置
JPS5990279A (ja) * 1982-11-12 1984-05-24 Toshiba Corp インタ−フエ−ス回路

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0314151A (ja) * 1989-06-13 1991-01-22 Hitachi Maxell Ltd メモリカードを用いる情報処理システムのリセット方式
JPH0314150A (ja) * 1989-06-13 1991-01-22 Hitachi Maxell Ltd メモリカード

Also Published As

Publication number Publication date
EP0187953A2 (de) 1986-07-23
US4607351A (en) 1986-08-19
JPH0318218B2 (cg-RX-API-DMAC7.html) 1991-03-12
EP0187953A3 (en) 1988-07-20
DE3583019D1 (de) 1991-07-04
EP0187953B1 (en) 1991-05-29

Similar Documents

Publication Publication Date Title
JPS61168062A (ja) メモリ保護装置
US3859638A (en) Non-volatile memory unit with automatic standby power supply
JPS5990275A (ja) カセツト式記憶装置
US5706239A (en) Rechargeable SRAM/flash PCMCIA card
US5761061A (en) Data processing medium, its backup circuit, and data processing system
US5384748A (en) Memory card with two SRAM arrays with different data holding voltages and power back-up
EP0187954A2 (en) Method of making semiconductor devices
CA1162647A (en) Multiplexed operation of write enable terminal of a memory circuit for control and backup power functions
JPS5990279A (ja) インタ−フエ−ス回路
JP2900551B2 (ja) 携帯形半導体記憶装置
JPH04124790A (ja) Ramカード
JPS6345658A (ja) 書込禁止/解除設定機構
KR100250879B1 (ko) 메모리 데이터 백업장치
JPS5990277A (ja) カセツト式記憶装置
JP2530742B2 (ja) メモリカ―ド
JPH02140815A (ja) メモリカード
JPH0440509A (ja) Icメモリカード
JPS5990280A (ja) インタ−フエ−ス回路
JPH059812B2 (cg-RX-API-DMAC7.html)
JPS60229129A (ja) 停電補償回路
JPS5864700A (ja) 記憶保護回路
JPH01279493A (ja) メモリカード
JPH04314152A (ja) メモリバックアップ回路
JPH04295982A (ja) Icメモリカードおよびカードホルダ
JPH0830747A (ja) メモリカード