JPS64897U - - Google Patents

Info

Publication number
JPS64897U
JPS64897U JP9335387U JP9335387U JPS64897U JP S64897 U JPS64897 U JP S64897U JP 9335387 U JP9335387 U JP 9335387U JP 9335387 U JP9335387 U JP 9335387U JP S64897 U JPS64897 U JP S64897U
Authority
JP
Japan
Prior art keywords
power supply
static rams
gate array
whose
decoder
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
JP9335387U
Other languages
Japanese (ja)
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 JP9335387U priority Critical patent/JPS64897U/ja
Publication of JPS64897U publication Critical patent/JPS64897U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Static Random-Access Memory (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案実施例の回路図である。 １……スタテイツクＲＡＭ、２……電気二重層
コンデンサ、３……ゲートアレイ、４……インバ
ータ、５……論理和回路、６……ダイオード、７
……デコーダ、８……システム・バス。 FIG. 1 is a circuit diagram of an embodiment of the present invention. 1... Static RAM, 2... Electric double layer capacitor, 3... Gate array, 4... Inverter, 5... OR circuit, 6... Diode, 7
...Decoder, 8...System bus.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 複数個のスタテイツクＲＡＭと、入力信号をデ
コードして前記複数個のスタテイツクＲＡＭをチ
ツプセレクトするデコーダを有するゲートアレイ
とよりなるメモリ装置のメモリバツクアツプ回路
において、前記ゲートアレイ外に、前記各スタテ
イツクＲＡＭすべての電源端子とその供給電源と
の間に供給電源側を正極側として接続されるダイ
オードと、このダイオードの負極側と接地との間
に接続される電気二重層コンデンサとを具備し、
前記ゲートアレイ内に、正極側を前記供給電源に
接続されるインバータと、前記デコーダの各出力
と前記インバータの負極側出力とを入力とし出力
が前記各スタテイツクＲＡＭのそれぞれに入力さ
れる複数個の論理和回路とを具備していることを
特徴とするメモリバツクアツプ回路。 In a memory backup circuit for a memory device comprising a plurality of static RAMs and a gate array having a decoder for decoding an input signal and chip-selecting the plurality of static RAMs, each of the static RAMs is provided in addition to the gate array. A diode is connected between all the power supply terminals and the power supply, with the power supply side being the positive pole, and an electric double layer capacitor is connected between the negative pole of the diode and ground,
The gate array includes an inverter whose positive side is connected to the power supply, and a plurality of inverters whose positive side is connected to the power supply, and whose inputs are each output of the decoder and the negative side output of the inverter, and whose outputs are input to each of the static RAMs. A memory backup circuit characterized by comprising an OR circuit.
JP9335387U 1987-06-19 1987-06-19 Pending JPS64897U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9335387U JPS64897U (en) 1987-06-19 1987-06-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9335387U JPS64897U (en) 1987-06-19 1987-06-19

Publications (1)

Publication Number Publication Date
JPS64897U true JPS64897U (en) 1989-01-05

Family

ID=30955867

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9335387U Pending JPS64897U (en) 1987-06-19 1987-06-19

Country Status (1)

Country Link
JP (1) JPS64897U (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59152588A (en) * 1983-02-21 1984-08-31 Hitachi Ltd Semiconductor memory system
JPS60211524A (en) * 1984-04-06 1985-10-23 Hitachi Ltd Semiconductor integrated circuit device
JPS6154828A (en) * 1984-08-25 1986-03-19 松下電工株式会社 Memory backup device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59152588A (en) * 1983-02-21 1984-08-31 Hitachi Ltd Semiconductor memory system
JPS60211524A (en) * 1984-04-06 1985-10-23 Hitachi Ltd Semiconductor integrated circuit device
JPS6154828A (en) * 1984-08-25 1986-03-19 松下電工株式会社 Memory backup device

Similar Documents

Publication Publication Date Title
JPS64897U (en)
JPH0249338U (en)
JPS5857244U (en) power supply
JPS6370236U (en)
JPS6282564U (en)
JPS6451327U (en)
JPS62127671U (en)
JPS6430643U (en)
JPS5863765U (en) Electronic desk calculator with solar battery
JPS6278083U (en)
JPS61133840U (en)
JPS62105547U (en)
JPS6263951U (en)
JPH0265099U (en)
JPS60143775U (en) steel frame house
JPS61139489U (en)
JPS6365199U (en)
JPS6261566U (en)
JPS61168422U (en)
JPS6377494U (en)
JPS61198995U (en)
JPS6073334U (en) solar power supply
JPS6297439U (en)
JPH0353855U (en)
JPS605154U (en) solar cell module