JPS58174729U - 揮発性メモリのバツテリ−バツクアツプ回路 - Google Patents

揮発性メモリのバツテリ−バツクアツプ回路

Info

Publication number
JPS58174729U
JPS58174729U JP7088882U JP7088882U JPS58174729U JP S58174729 U JPS58174729 U JP S58174729U JP 7088882 U JP7088882 U JP 7088882U JP 7088882 U JP7088882 U JP 7088882U JP S58174729 U JPS58174729 U JP S58174729U
Authority
JP
Japan
Prior art keywords
volatile memory
power supply
transistor
battery backup
backup circuit
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
JP7088882U
Other languages
English (en)
Japanese (ja)
Other versions
JPH029394Y2 (en:Method
Inventor
佐野　清助
岩崎　元明
西野　広
英夫 竹内
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.)
Yokogawa Electric Corp
Original Assignee
Yokogawa Electric 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 Yokogawa Electric Corp filed Critical Yokogawa Electric Corp
Priority to JP7088882U priority Critical patent/JPS58174729U/ja
Publication of JPS58174729U publication Critical patent/JPS58174729U/ja
Application granted granted Critical
Publication of JPH029394Y2 publication Critical patent/JPH029394Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Power Sources (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • Stand-By Power Supply Arrangements (AREA)
JP7088882U 1982-05-14 1982-05-14 揮発性メモリのバツテリ−バツクアツプ回路 Granted JPS58174729U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7088882U JPS58174729U (ja) 1982-05-14 1982-05-14 揮発性メモリのバツテリ−バツクアツプ回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7088882U JPS58174729U (ja) 1982-05-14 1982-05-14 揮発性メモリのバツテリ−バツクアツプ回路

Publications (2)

Publication Number Publication Date
JPS58174729U true JPS58174729U (ja) 1983-11-22
JPH029394Y2 JPH029394Y2 (en:Method) 1990-03-08

Family

ID=30080531

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7088882U Granted JPS58174729U (ja) 1982-05-14 1982-05-14 揮発性メモリのバツテリ−バツクアツプ回路

Country Status (1)

Country Link
JP (1) JPS58174729U (en:Method)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53108837U (en:Method) * 1977-02-08 1978-08-31

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53108837U (en:Method) * 1977-02-08 1978-08-31

Also Published As

Publication number Publication date
JPH029394Y2 (en:Method) 1990-03-08

Similar Documents

Publication Publication Date Title
JPS58174729U (ja) 揮発性メモリのバツテリ−バツクアツプ回路
JPS5963714U (ja) 定電流回路
JPS5933523U (ja) 安定化電源回路
JPS58147019U (ja) 電源保護回路
JPS5928712U (ja) 電源装置
JPS60123015U (ja) 定電流電源回路
JPS60155213U (ja) 電子回路の入力段トランジスタ保護回路
JPS60186719U (ja) リツプルフイルタ
JPS6073327U (ja) 電源遮断回路
JPS5816921U (ja) レベル変換回路
JPS6039127U (ja) 電源回路
JPS599779U (ja) 電源装置
JPS6087017U (ja) 電圧リミツト付定電流回路
JPS593790U (ja) 電源回路
JPS5980831U (ja) バツクアツプ用電源装置
JPS60134326U (ja) 高耐圧直流スイツチング回路
JPS5887484U (ja) Ｇｔｏサイリスタのゲ−ト回路
JPS5967015U (ja) 比較回路
JPS5875429U (ja) 電源電圧変動検出回路
JPS60164238U (ja) 電圧安定化・補償回路
JPS6110041U (ja) シヨ−ト保護付負荷駆動回路
JPS5951498U (ja) 無接点非常用点灯装置
JPS59169618U (ja) 安定化電源回路
JPS60140116U (ja) 定電圧電源装置の異常電圧検出回路
JPS5870086U (ja) ゲ−トタ−ンオフ・サイリスタのドライブ回路