JPS62177123U - - Google Patents
Info
- Publication number
- JPS62177123U JPS62177123U JP6340686U JP6340686U JPS62177123U JP S62177123 U JPS62177123 U JP S62177123U JP 6340686 U JP6340686 U JP 6340686U JP 6340686 U JP6340686 U JP 6340686U JP S62177123 U JPS62177123 U JP S62177123U
- Authority
- JP
- Japan
- Prior art keywords
- integrated circuit
- protection device
- input
- input protection
- power supply
- 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
- 239000012535 impurity Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Electronic Switches (AREA)
Description
第１図ａは本考案の一実施例の入力部の断面図
、第１図ｂは本考案の一実施例の入力保護装置の
等価回路図、第２図ａは従来の入力保護装置の断
面図、第２図ｂは従来の入力保護装置の等価回路
図である。
１……Ｎ型Ｓｉ基板、２……Ｐ型不純物領域、
３……Ｎ型不純物領域、４……Ｐ型不純物領域、
５……アノード、６……入力端子、７……ゲート
、８……Ｐチヤンネルトランジスタ、９……Ｎチ
ヤンネルトランジスタ、１０……ＶＤＤ、１１…
…ＶＳＳ、１２……入力保護抵抗、１３……ＰＮ
ＰＮダイオード、１４，１５……ダイオード。
Figure 1a is a cross-sectional view of an input section of an embodiment of the present invention, Figure 1b is an equivalent circuit diagram of an input protection device of an embodiment of the present invention, and Figure 2a is a cross-section of a conventional input protection device. FIG. 2B is an equivalent circuit diagram of a conventional input protection device. 1... N-type Si substrate, 2... P-type impurity region,
3...N-type impurity region, 4...P-type impurity region,
5...Anode, 6...Input terminal, 7...Gate, 8...P channel transistor, 9...N channel transistor, 10...VDD, 11...
...VSS, 12...Input protection resistor, 13...PN
PN diode, 14, 15...diode.
Claims (1)
ＰＮＰＮダイオードを設けたことを特徴とするＭ
ＯＳ集積回路の入力保護装置。 M characterized in that a PNPN diode is provided between the input terminal and the power supply terminal of the MOS integrated circuit.
Input protection device for OS integrated circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6340686U JPS62177123U (en) | 1986-04-25 | 1986-04-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6340686U JPS62177123U (en) | 1986-04-25 | 1986-04-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62177123U true JPS62177123U (en) | 1987-11-10 |
Family
ID=30898601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6340686U Pending JPS62177123U (en) | 1986-04-25 | 1986-04-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62177123U (en) |
-
1986
- 1986-04-25 JP JP6340686U patent/JPS62177123U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1330790A (en) | Semiconductor devices | |
| JPS62177123U (en) | ||
| JPS62122358U (en) | ||
| JPH01169049U (en) | ||
| JPH02145818U (en) | ||
| JPH0163147U (en) | ||
| JPS63147839U (en) | ||
| JPS6381423U (en) | ||
| JPS63147840U (en) | ||
| JPS60149149U (en) | CMOS integrated circuit | |
| JPS63177066U (en) | ||
| JPS6113955U (en) | Zener diode incorporated into integrated circuit | |
| JPS6424862U (en) | ||
| JPH0263556U (en) | ||
| JPS6333644U (en) | ||
| JPS63177064U (en) | ||
| JPS63177054U (en) | ||
| JPH0467356U (en) | ||
| JPH0440550U (en) | ||
| JPS6350143U (en) | ||
| JPS62166650U (en) | ||
| JPS61103718U (en) | ||
| JPS6331552U (en) | ||
| JPS62166649U (en) | ||
| JPS6312856U (en) |