JPH0412198U - - Google Patents

Info

Publication number
JPH0412198U
JPH0412198U JP5101790U JP5101790U JPH0412198U JP H0412198 U JPH0412198 U JP H0412198U JP 5101790 U JP5101790 U JP 5101790U JP 5101790 U JP5101790 U JP 5101790U JP H0412198 U JPH0412198 U JP H0412198U
Authority
JP
Japan
Prior art keywords
power supply
circuit
ram power
supply circuit
ram
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.)
Pending
Application number
JP5101790U
Other languages
English (en)
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 filed Critical
Priority to JP5101790U priority Critical patent/JPH0412198U/ja
Publication of JPH0412198U publication Critical patent/JPH0412198U/ja
Pending legal-status Critical Current

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  • Dram (AREA)

Description

【図面の簡単な説明】
第1図はこの考案によるRAM電源のバツク・
アツプ回路のブロツク図である。 1……ニカド電池、2……リチウム電池、3,
4……トランジスタ、5,6……ダイオード、7
……コンデンサ、8〜10……抵抗。

Claims (1)

  1. 【実用新案登録請求の範囲】 主電源電圧の分圧を受けて作動するトランジス
    タ回路よりなる電圧検出回路および平滑用コンデ
    ンサを備えたRAM電源回路において、 逆流阻止ダイオードを介して上記RAM電源回
    路に接続したニツケル・カドミウム電池と、 同じく逆流阻止ダイオードと抵抗を介して上記
    RAM電源回路に接続したリチウム電池と、 によつて構成したことを特徴とするRAM電源の
    バツク・アツプ回路。
JP5101790U 1990-05-16 1990-05-16 Pending JPH0412198U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5101790U JPH0412198U (ja) 1990-05-16 1990-05-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5101790U JPH0412198U (ja) 1990-05-16 1990-05-16

Publications (1)

Publication Number Publication Date
JPH0412198U true JPH0412198U (ja) 1992-01-31

Family

ID=31570075

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5101790U Pending JPH0412198U (ja) 1990-05-16 1990-05-16

Country Status (1)

Country Link
JP (1) JPH0412198U (ja)

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