JPH021925U - - Google Patents
Info
- Publication number
- JPH021925U JPH021925U JP7952588U JP7952588U JPH021925U JP H021925 U JPH021925 U JP H021925U JP 7952588 U JP7952588 U JP 7952588U JP 7952588 U JP7952588 U JP 7952588U JP H021925 U JPH021925 U JP H021925U
- Authority
- JP
- Japan
- Prior art keywords
- cmos circuit
- protection device
- power supply
- connection line
- schottky 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
- 238000010586 diagram Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Electronic Switches (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Description
第１図は、この考案の実施例に係るＣＭＯＳ回
路保護装置を示す回路図、第２図は、同上装置の
縦断面図、第３図は、従来のＣＭＯＳ回路保護装
置を示す回路図。
１……ＣＭＯＳ回路、４……電源接続ライン、
５……グラウンド接続ライン（接地ライン）、６
……ツエナーダイオード、７……シヨツトキーダ
イオード、８……ｎ−基板、１０……Ａｌ層、Ｒ
……抵抗、ＶＤＤ……電源、Ｇ……グラウンド。
FIG. 1 is a circuit diagram showing a CMOS circuit protection device according to an embodiment of the invention, FIG. 2 is a vertical sectional view of the same device, and FIG. 3 is a circuit diagram showing a conventional CMOS circuit protection device. 1...CMOS circuit, 4...Power connection line,
5...Ground connection line (ground line), 6
... Zener diode, 7 ... Schottky diode, 8 ... n - substrate, 10 ... Al layer, R
...Resistance, VDD...Power supply, G...Ground.
Claims (1)
の間にシヨツトキーダイオードを前記ＣＭＯＳ回
路と並列に設けたことを特徴とするＣＭＯＳ回路
保護装置。 A CMOS circuit protection device characterized in that a Schottky diode is provided in parallel with the CMOS circuit between a power supply connection line and a ground line of the CMOS circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7952588U JPH021925U (en) | 1988-06-17 | 1988-06-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7952588U JPH021925U (en) | 1988-06-17 | 1988-06-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH021925U true JPH021925U (en) | 1990-01-09 |
Family
ID=31304399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7952588U Pending JPH021925U (en) | 1988-06-17 | 1988-06-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH021925U (en) |
-
1988
- 1988-06-17 JP JP7952588U patent/JPH021925U/ja active Pending