KR870010553A - 반도체 불휘발성 메모리장치 - Google Patents

반도체 불휘발성 메모리장치 Download PDF

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Publication number
KR870010553A
KR870010553A KR870004166A KR870004166A KR870010553A KR 870010553 A KR870010553 A KR 870010553A KR 870004166 A KR870004166 A KR 870004166A KR 870004166 A KR870004166 A KR 870004166A KR 870010553 A KR870010553 A KR 870010553A
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KR
South Korea
Prior art keywords
memory cell
nonvolatile
volatile
random access
power supply
Prior art date
Application number
KR870004166A
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English (en)
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KR910001531B1 (ko
Inventor
히데끼 아라까와
Original Assignee
야마모도 다꾸마
후지쓰 가부시끼가이샤
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 야마모도 다꾸마, 후지쓰 가부시끼가이샤 filed Critical 야마모도 다꾸마
Publication of KR870010553A publication Critical patent/KR870010553A/ko
Application granted granted Critical
Publication of KR910001531B1 publication Critical patent/KR910001531B1/ko

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C17/00—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C14/00—Digital stores characterised by arrangements of cells having volatile and non-volatile storage properties for back-up when the power is down
    • G11C14/0054—Digital stores characterised by arrangements of cells having volatile and non-volatile storage properties for back-up when the power is down in which the volatile element is a SRAM cell
    • G11C14/0063—Digital stores characterised by arrangements of cells having volatile and non-volatile storage properties for back-up when the power is down in which the volatile element is a SRAM cell and the nonvolatile element is an EEPROM element, e.g. a floating gate or MNOS transistor
    • 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
    • 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
    • G11C5/143—Detection of memory cassette insertion or removal; Continuity checks of supply or ground lines; Detection of supply variations, interruptions or levels ; Switching between alternative supplies

Abstract

내용 없음

Description

반도체 불휘발성 메모리장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 바람직한 실시예에 따른 반도체 불휘발성 메모리장치의 기본구조의 블록도.
제2도는 제1도의 장치의 상세한 배치도.
제3도는 제1도의 장치에 있어 NVRAM 셀 EEPRO 구조의 회로도.

Claims (2)

  1. 휘발성 메모리셀과 휘발성 소거가능하고 프로그램 가능한 판독전용 메모리셀로 구성되는 다수의 불휘발성 랜덤 엑세스 메모리셀;
    전원의 전위레벨을 검지하여 검지된 레벨에 따라 기억동작 또는 재호출동작을 선택하기 위한 센스회로수단; 및 전원전압용 제1단자 수단과 보조전원 전압용 제2단자 수단으로 구성되어,
    상기 제1단자 수단에서 전위의 상승 또는 하강의 검출이 상기 센스회로 수단에서 수행되어 상기 전위검출의 결과에 따라 휘발성 랜덤 억세스 메모리셀에서 불휘발성 소거 가능하고 프로그램 가능한 판독전용 메모리셀로 또는 불휘발성 소거가능하고 프로그램 가능한 판독전용 메모리셀에서 휘발성 랜덤 억세스 메모리셀로 데이터 전송이 자동적으로 수행되는 것을 특징으로 하는 반도체 불휘발성 메모리 장치.
  2. 제1항에 있어서, 상기 포지티브측 VCC전압 센스회로는 한쌍의 공핍형 MOS트렌지스터 및 버터로 각각 구성되는 것을 특징으로 하는 반도체 불휘발성 메모리 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019870004166A 1986-04-30 1987-04-29 반도체 불휘발성 메모리장치 KR910001531B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP61097985A JPS62256296A (ja) 1986-04-30 1986-04-30 半導体不揮発性記憶装置
JP61-97985 1986-04-30
JP97985 1986-04-30

Publications (2)

Publication Number Publication Date
KR870010553A true KR870010553A (ko) 1987-11-30
KR910001531B1 KR910001531B1 (ko) 1991-03-15

Family

ID=14206956

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870004166A KR910001531B1 (ko) 1986-04-30 1987-04-29 반도체 불휘발성 메모리장치

Country Status (4)

Country Link
US (1) US4800533A (ko)
EP (1) EP0247739B1 (ko)
JP (1) JPS62256296A (ko)
KR (1) KR910001531B1 (ko)

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US5212664A (en) * 1989-04-05 1993-05-18 Mitsubishi Denki Kabushiki Kaisha Information card with dual power detection signals to memory decoder
US5197026A (en) * 1989-04-13 1993-03-23 Microchip Technology Incorporated Transparent EEPROM backup of DRAM memories
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JPH03217051A (ja) * 1990-01-23 1991-09-24 Oki Electric Ind Co Ltd 半導体記憶装置
US5625593A (en) * 1990-03-28 1997-04-29 Mitsubishi Denki Kabushiki Kaisha Memory card circuit with separate buffer chips
US5414671A (en) * 1990-05-01 1995-05-09 Sharp Kabushimi Kaisha Semiconductor memory device having operation control means with data judging function
US5345422A (en) * 1990-07-31 1994-09-06 Texas Instruments Incorporated Power up detection circuit
JP3256996B2 (ja) * 1991-10-31 2002-02-18 ソニー株式会社 留守番機能付電話装置
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JPH06195258A (ja) * 1992-07-08 1994-07-15 Nec Corp 半導体記憶装置
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US5880991A (en) * 1997-04-14 1999-03-09 International Business Machines Corporation Structure for low cost mixed memory integration, new NVRAM structure, and process for forming the mixed memory and NVRAM structure
DE69816032D1 (de) * 1998-04-30 2003-08-07 St Microelectronics Srl Verfahren zur Sicherung von Daten im Falle unerwünschter Unterbrechnungen während ein Programmzyklus eines nichtflüchtigen Speichers, und ein nichtflüchtiger Speicher
US6556487B1 (en) 2000-09-20 2003-04-29 Cypress Semiconductor Corp. Non-volatile static memory cell
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Also Published As

Publication number Publication date
KR910001531B1 (ko) 1991-03-15
JPS62256296A (ja) 1987-11-07
EP0247739A3 (en) 1989-06-07
US4800533A (en) 1989-01-24
EP0247739A2 (en) 1987-12-02
EP0247739B1 (en) 1993-12-29

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