FR2475777B1 - METHOD AND APPARATUS FOR MULTIPLEXING A WRITE AUTHORIZATION TERMINAL OF A MEMORY CIRCUIT FOR BACKUP CONTROL AND POWER SUPPLY FUNCTIONS - Google Patents

METHOD AND APPARATUS FOR MULTIPLEXING A WRITE AUTHORIZATION TERMINAL OF A MEMORY CIRCUIT FOR BACKUP CONTROL AND POWER SUPPLY FUNCTIONS

Info

Publication number
FR2475777B1
FR2475777B1 FR8102462A FR8102462A FR2475777B1 FR 2475777 B1 FR2475777 B1 FR 2475777B1 FR 8102462 A FR8102462 A FR 8102462A FR 8102462 A FR8102462 A FR 8102462A FR 2475777 B1 FR2475777 B1 FR 2475777B1
Authority
FR
France
Prior art keywords
multiplexing
power supply
memory circuit
backup control
authorization terminal
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.)
Expired
Application number
FR8102462A
Other languages
French (fr)
Other versions
FR2475777A1 (en
Inventor
Ward Douglas Parkinson
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.)
CTU of Delaware Inc
Original Assignee
Mostek 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 Mostek Corp filed Critical Mostek Corp
Publication of FR2475777A1 publication Critical patent/FR2475777A1/en
Application granted granted Critical
Publication of FR2475777B1 publication Critical patent/FR2475777B1/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C5/00—Details of stores covered by group G11C11/00
    • G11C5/14—Power supply arrangements, e.g. power down, chip selection or deselection, layout of wirings or power grids, or multiple supply levels
    • G11C5/141—Battery and back-up supplies
FR8102462A 1980-02-08 1981-02-09 METHOD AND APPARATUS FOR MULTIPLEXING A WRITE AUTHORIZATION TERMINAL OF A MEMORY CIRCUIT FOR BACKUP CONTROL AND POWER SUPPLY FUNCTIONS Expired FR2475777B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12012080A 1980-02-08 1980-02-08

Publications (2)

Publication Number Publication Date
FR2475777A1 FR2475777A1 (en) 1981-08-14
FR2475777B1 true FR2475777B1 (en) 1988-09-23

Family

ID=22388387

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8102462A Expired FR2475777B1 (en) 1980-02-08 1981-02-09 METHOD AND APPARATUS FOR MULTIPLEXING A WRITE AUTHORIZATION TERMINAL OF A MEMORY CIRCUIT FOR BACKUP CONTROL AND POWER SUPPLY FUNCTIONS

Country Status (3)

Country Link
CA (1) CA1162647A (en)
FR (1) FR2475777B1 (en)
WO (1) WO1981002362A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60238920A (en) * 1984-05-11 1985-11-27 Fanuc Ltd Data holding circuit of memory
GB2166306A (en) * 1984-10-26 1986-04-30 Aurora Mechatronics Corp Solar-energised computer
US4868832A (en) * 1986-04-30 1989-09-19 Marrington S Paul Computer power system
US5212664A (en) * 1989-04-05 1993-05-18 Mitsubishi Denki Kabushiki Kaisha Information card with dual power detection signals to memory decoder

Family Cites Families (3)

* 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
US3980935A (en) * 1974-12-16 1976-09-14 Worst Bernard I Volatile memory support system
US4232377A (en) * 1979-04-16 1980-11-04 Tektronix, Inc. Memory preservation and verification system

Also Published As

Publication number Publication date
WO1981002362A1 (en) 1981-08-20
FR2475777A1 (en) 1981-08-14
CA1162647A (en) 1984-02-21

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Legal Events

Date Code Title Description
CA Change of address
CD Change of name or company name
TP Transmission of property
ST Notification of lapse