JPH0213751U - - Google Patents
Info
- Publication number
- JPH0213751U JPH0213751U JP9157188U JP9157188U JPH0213751U JP H0213751 U JPH0213751 U JP H0213751U JP 9157188 U JP9157188 U JP 9157188U JP 9157188 U JP9157188 U JP 9157188U JP H0213751 U JPH0213751 U JP H0213751U
- Authority
- JP
- Japan
- Prior art keywords
- protection
- terminal
- potential
- circuit
- diode
- 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
- 239000004065 semiconductor Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Protection Of Static Devices (AREA)
- Semiconductor Integrated Circuits (AREA)
Description
第１図は本考案の保護回路の一実施例の回路図
、第２図は本考案の他の実施例の回路図、第３図
は従来の保護回路の回路図である。
１……電源端子、２……出力端子（保護端子）
、３……ＭＯＳトランジスタ、４，５，６……抵
抗、７……端子、８……ダイオード、９……キヤ
パシタ、１１……電源端子、１２……出力端子（
保護端子）、１３……抵抗、１４……定電圧ダイ
オード、１５……端子、１６……ダイオード、２
１……電源端子、２２……出力端子、２３，２４
……ダイオード。
FIG. 1 is a circuit diagram of one embodiment of the protection circuit of the present invention, FIG. 2 is a circuit diagram of another embodiment of the invention, and FIG. 3 is a circuit diagram of a conventional protection circuit. 1...Power terminal, 2...Output terminal (protection terminal)
, 3... MOS transistor, 4, 5, 6... resistor, 7... terminal, 8... diode, 9... capacitor, 11... power supply terminal, 12... output terminal (
protection terminal), 13...resistance, 14...constant voltage diode, 15...terminal, 16...diode, 2
1...Power terminal, 22...Output terminal, 23, 24
……diode.
Claims (1)
ランドとの間に、保護電圧に略等しい電位を発生
させる分圧回路を設け、この分圧された電位点と
保護端子とをダイオードで接続したことを特徴と
する半導体集積回路の保護回路。 A voltage divider circuit that generates a potential approximately equal to the protection voltage is provided between the power supply terminal to which the highest positive or negative potential is applied and the ground, and this divided potential point and the protection terminal are connected with a diode. A protection circuit for a semiconductor integrated circuit characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9157188U JPH0213751U (en) | 1988-07-11 | 1988-07-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9157188U JPH0213751U (en) | 1988-07-11 | 1988-07-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0213751U true JPH0213751U (en) | 1990-01-29 |
Family
ID=31316043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9157188U Pending JPH0213751U (en) | 1988-07-11 | 1988-07-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0213751U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5583045U (en) * | 1978-12-04 | 1980-06-07 |
-
1988
- 1988-07-11 JP JP9157188U patent/JPH0213751U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5583045U (en) * | 1978-12-04 | 1980-06-07 |