JPS5868043U - Input protection device for semiconductor devices - Google Patents

Input protection device for semiconductor devices

Info

Publication number
JPS5868043U
JPS5868043U JP16390981U JP16390981U JPS5868043U JP S5868043 U JPS5868043 U JP S5868043U JP 16390981 U JP16390981 U JP 16390981U JP 16390981 U JP16390981 U JP 16390981U JP S5868043 U JPS5868043 U JP S5868043U
Authority
JP
Japan
Prior art keywords
protection device
input protection
semiconductor devices
semiconductor element
input
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
JP16390981U
Other languages
Japanese (ja)
Other versions
JPS6221018Y2 (en
Inventor
室　英夫
三原　輝義
Original Assignee
日産自動車株式会社
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 日産自動車株式会社 filed Critical 日産自動車株式会社
Priority to JP16390981U priority Critical patent/JPS5868043U/en
Publication of JPS5868043U publication Critical patent/JPS5868043U/en
Application granted granted Critical
Publication of JPS6221018Y2 publication Critical patent/JPS6221018Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
  • Protection Of Static Devices (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は従来の半導体素子用入力保護装置を示す断面図
。第２図イは第１図の電気的等価回路図、第２図口はＩ
Ｃ内部で高周波サージが伝播する状況を示す回路図、第
３図イ９口は本考案の第１の実施例を示し、イは平面図
、口はイのＡ−Ａ断面図。第４図は第１の実施例におけ
るＩＣ内部の高周波サージ遮断状況を示す回路図。第５
図は本考案の第２の実施例を示す断面図。 符号の説明、１・・・多結晶シリコン抵抗層、２ａ・・
・入力端子、２．　２ｂ、・２Ｃ１２ｄ・・・金属配線
、３・・・シリコン酸化物絶縁層、４・・・Ｐウェル、
５・・・シリコン基板、６．　７．　７ａ、　　８．　
８ａ、　　９．　９ａ・・・−拡散層、１０・・・出力
端子、１０ａ・・・金属配線、　、１１．２１・・・Ｖ
ユ端子、１２．２２・・・アース端子（Ｖ９．端子）、
１３．１４・・・クランプ用ダイオ−−ド。FIG. 1 is a sectional view showing a conventional input protection device for semiconductor devices. Figure 2 A is the electrical equivalent circuit diagram of Figure 1, Figure 2 opening is I
C is a circuit diagram showing a situation in which high-frequency surges propagate inside the device; FIG. 3A shows the first embodiment of the present invention; FIG. FIG. 4 is a circuit diagram showing the high frequency surge cutoff situation inside the IC in the first embodiment. Fifth
The figure is a sectional view showing a second embodiment of the present invention. Explanation of symbols, 1... Polycrystalline silicon resistance layer, 2a...
・Input terminal, 2. 2b, 2C12d... Metal wiring, 3... Silicon oxide insulating layer, 4... P well,
5... silicon substrate, 6. 7. 7a, 8.
8a, 9. 9a...-diffusion layer, 10...output terminal, 10a...metal wiring, 11.21...V
U terminal, 12.22... Earth terminal (V9. terminal),
13.14... Clamp diode.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 半導体素子に制御信号を入力する入力ラインに該半導体
素子を異常電圧から保護する保護用ダイオードを備えた
入力保護装置において、前記保護用ダイオードが、前記
半導体素子の電源ラインから切り離されて独立した電源
ラインを有することを特徴とする半導体素子用入力保護
装置。In an input protection device including a protection diode on an input line for inputting a control signal to a semiconductor element to protect the semiconductor element from abnormal voltage, the protection diode is separated from the power supply line of the semiconductor element and provided as an independent power supply. An input protection device for a semiconductor device, characterized by having a line.
JP16390981U 1981-11-02 1981-11-02 Input protection device for semiconductor devices Granted JPS5868043U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16390981U JPS5868043U (en) 1981-11-02 1981-11-02 Input protection device for semiconductor devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16390981U JPS5868043U (en) 1981-11-02 1981-11-02 Input protection device for semiconductor devices

Publications (2)

Publication Number Publication Date
JPS5868043U true JPS5868043U (en) 1983-05-09
JPS6221018Y2 JPS6221018Y2 (en) 1987-05-28

Family

ID=29956186

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16390981U Granted JPS5868043U (en) 1981-11-02 1981-11-02 Input protection device for semiconductor devices

Country Status (1)

Country Link
JP (1) JPS5868043U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6014460A (en) * 1983-07-04 1985-01-25 Mitsubishi Electric Corp Semiconductor integrated circuit
JPS61137359A (en) * 1984-12-10 1986-06-25 Nec Corp Protective circuit
JPS6262450U (en) * 1985-10-08 1987-04-17
JPS63296234A (en) * 1987-05-27 1988-12-02 Nec Corp Integrated circuit device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6014460A (en) * 1983-07-04 1985-01-25 Mitsubishi Electric Corp Semiconductor integrated circuit
JPS61137359A (en) * 1984-12-10 1986-06-25 Nec Corp Protective circuit
JPS6262450U (en) * 1985-10-08 1987-04-17
JPS63296234A (en) * 1987-05-27 1988-12-02 Nec Corp Integrated circuit device

Also Published As

Publication number Publication date
JPS6221018Y2 (en) 1987-05-28

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