JPS6312852U - - Google Patents
Info
- Publication number
- JPS6312852U JPS6312852U JP10642286U JP10642286U JPS6312852U JP S6312852 U JPS6312852 U JP S6312852U JP 10642286 U JP10642286 U JP 10642286U JP 10642286 U JP10642286 U JP 10642286U JP S6312852 U JPS6312852 U JP S6312852U
- Authority
- JP
- Japan
- Prior art keywords
- input
- input protection
- power supply
- terminal
- supply terminal
- 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
Links
- 238000010586 diagram Methods 0.000 description 3
- 101150052863 THY1 gene Proteins 0.000 description 1
Landscapes
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Description
第１図は本考案の一実施例であるＭＯＳ集積回
路の入力保護装置の等価回路図、第２図は本考案
の他の実施例による入力保護装置の等価回路図、
第３図は従来の入力保護装置の等価回路図である
。
１……入力端子、２……保護抵抗、３……電源
端子ＶＤＤ、４……電源端子ＶＳＳ、５……出力
端子、Ｔｈｙ１，Ｔｈｙ２……Ｎゲートサイリス
タ、ＺＤ１，ＺＤ２，ＺＤ３，ＺＤ４……ツエナ
ーダイオード、Ｄ１，Ｄ２……ダイオード。
FIG. 1 is an equivalent circuit diagram of an input protection device for a MOS integrated circuit according to an embodiment of the present invention, and FIG. 2 is an equivalent circuit diagram of an input protection device according to another embodiment of the present invention.
FIG. 3 is an equivalent circuit diagram of a conventional input protection device. 1... Input terminal, 2... Protection resistor, 3... Power supply terminal VDD, 4... Power supply terminal VSS, 5... Output terminal, Thy1 , Thy2 ...N gate thyristor, ZD1 , ZD2 , ZD 3 , ZD 4 ... Zener diode, D 1 , D 2 ... diode.
Claims (1)
Ｓ集積回路の入力端子と電源端子との間に入力端
子から電源端子に導通電流が流れる方向にＮゲー
トサイリスタとツエナーダイオードから構成され
る入力保護回路を接続したことを特徴とするＭＯ
Ｓ集積回路の入力保護装置。 In input protection devices for MOS integrated circuits, MO
An MO characterized in that an input protection circuit consisting of an N-gate thyristor and a Zener diode is connected between the input terminal and the power supply terminal of the S integrated circuit in the direction in which conduction current flows from the input terminal to the power supply terminal.
S integrated circuit input protection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10642286U JPS6312852U (en) | 1986-07-11 | 1986-07-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10642286U JPS6312852U (en) | 1986-07-11 | 1986-07-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6312852U true JPS6312852U (en) | 1988-01-27 |
Family
ID=30981765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10642286U Pending JPS6312852U (en) | 1986-07-11 | 1986-07-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6312852U (en) |
-
1986
- 1986-07-11 JP JP10642286U patent/JPS6312852U/ja active Pending