JPH0345409B2 - - Google Patents

Info

Publication number
JPH0345409B2
JPH0345409B2 JP8130082A JP8130082A JPH0345409B2 JP H0345409 B2 JPH0345409 B2 JP H0345409B2 JP 8130082 A JP8130082 A JP 8130082A JP 8130082 A JP8130082 A JP 8130082A JP H0345409 B2 JPH0345409 B2 JP H0345409B2
Authority
JP
Japan
Prior art keywords
circuit
voltage
information
write
memory
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 - Lifetime
Application number
JP8130082A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58199494A (ja
Inventor
Shingo Ichikawa
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.)
Citizen Watch Co Ltd
Original Assignee
Citizen Watch Co Ltd
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 Citizen Watch Co Ltd filed Critical Citizen Watch Co Ltd
Priority to JP57081300A priority Critical patent/JPS58199494A/ja
Publication of JPS58199494A publication Critical patent/JPS58199494A/ja
Publication of JPH0345409B2 publication Critical patent/JPH0345409B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
    • G11C7/20—Memory cell initialisation circuits, e.g. when powering up or down, memory clear, latent image memory

Landscapes

  • Read Only Memory (AREA)
  • Electric Clocks (AREA)
  • Power Sources (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
JP57081300A 1982-05-14 1982-05-14 小型電子機器 Granted JPS58199494A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57081300A JPS58199494A (ja) 1982-05-14 1982-05-14 小型電子機器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57081300A JPS58199494A (ja) 1982-05-14 1982-05-14 小型電子機器

Publications (2)

Publication Number Publication Date
JPS58199494A JPS58199494A (ja) 1983-11-19
JPH0345409B2 true JPH0345409B2 (US07709020-20100504-C00041.png) 1991-07-11

Family

ID=13742538

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57081300A Granted JPS58199494A (ja) 1982-05-14 1982-05-14 小型電子機器

Country Status (1)

Country Link
JP (1) JPS58199494A (US07709020-20100504-C00041.png)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2530595B2 (ja) * 1985-05-17 1996-09-04 キヤノン株式会社 情報処理装置
JP2577531Y2 (ja) * 1987-11-30 1998-07-30 カシオ計算機株式会社 メモリバックアップ装置
JPH0738274B2 (ja) * 1988-12-22 1995-04-26 株式会社東芝 不揮発性半導体メモリシステム
US5212664A (en) * 1989-04-05 1993-05-18 Mitsubishi Denki Kabushiki Kaisha Information card with dual power detection signals to memory decoder
CH681677B5 (fr) * 1991-02-05 1993-11-15 Complications Sa Procédé d'initialisation du calendrier perpétuel d'un chronographe analogique à quartz et chronographe à quartz pour sa mise en oeuvre.

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5184529A (US07709020-20100504-C00041.png) * 1975-01-21 1976-07-23 Omron Tateisi Electronics Co
JPS5461426A (en) * 1977-10-26 1979-05-17 Hitachi Ltd Memory destruction preventing device for memory unit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5078135U (US07709020-20100504-C00041.png) * 1973-11-19 1975-07-07
JPS52136512U (US07709020-20100504-C00041.png) * 1976-04-12 1977-10-17

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5184529A (US07709020-20100504-C00041.png) * 1975-01-21 1976-07-23 Omron Tateisi Electronics Co
JPS5461426A (en) * 1977-10-26 1979-05-17 Hitachi Ltd Memory destruction preventing device for memory unit

Also Published As

Publication number Publication date
JPS58199494A (ja) 1983-11-19

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