JPS6237431U - - Google Patents
Info
- Publication number
- JPS6237431U JPS6237431U JP12964385U JP12964385U JPS6237431U JP S6237431 U JPS6237431 U JP S6237431U JP 12964385 U JP12964385 U JP 12964385U JP 12964385 U JP12964385 U JP 12964385U JP S6237431 U JPS6237431 U JP S6237431U
- Authority
- JP
- Japan
- Prior art keywords
- coupling capacitor
- cmos device
- circuit
- terminal
- capacitor
- 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
- 239000003990 capacitor Substances 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Amplifiers (AREA)
Description
第１図は本考案にかかるＣＭＯＳデバイスの保
護回路、第２図はＣＭＯＳデバイスに形成される
等価ダイオードの接続構成図、第３図乃至第６図
はＣＭＯＳダイオードにおける従来のダイオード
焼損説明図である。
３１，３２……ＣＭＯＳデバイス、Ｄｏ１，Ｄ
ｏ２……ＣＭＯＳデバイス３１の出力側等価ダイ
オード、Ｄｉ１，Ｄｉ２……ＣＭＯＳデバイス３
２の入力側等価ダイオード、Ｃ……カツプリング
コンデンサ、Ｄ１，Ｄ２……ダイオード、Ｒ１，
Ｒ２……抵抗、ＣＰＴは放電閉路。
Fig. 1 is a protection circuit for a CMOS device according to the present invention, Fig. 2 is a connection configuration diagram of an equivalent diode formed in a CMOS device, and Figs. 3 to 6 are diagrams explaining conventional diode burnout in a CMOS diode. . 31, 32...CMOS device, D o1 , D
o2 ... Output side equivalent diode of CMOS device 31, D i1 , D i2 ... CMOS device 3
2 input side equivalent diode, C...coupling capacitor, D1, D2...diode, R1,
R2...Resistance, CPT is a discharge circuit.
Claims (1)
た第１、第２のＣＭＯＳデバイスの保護回路にお
いて、カツプリングコンデンサの充電電圧に対し
て順バイアスとなるようにアースとカツプリング
コンデンサ出力側端子間、並びにカツプリングコ
ンデンサ入力側端子とバイアス電圧間にそれぞれ
ダイオードを挿入して放電回路を形成すると共に
、第１のＣＭＯＳデバイスの出力端子とカツプリ
ングコンデンサ間並びにカツプリングコンデンサ
と第２のＣＭＯＳデバイスの入力端子間に抵抗を
挿入してなることを特徴とするＣＭＯＳデバイス
の保護回路。 In the protection circuit of the first and second CMOS devices that are AC connected via the coupling capacitor, the connection between the ground and the output side terminal of the coupling capacitor and between the coupling capacitor output terminal and the A discharge circuit is formed by inserting a diode between the input terminal of the ring capacitor and the bias voltage, and between the output terminal of the first CMOS device and the coupling capacitor, and between the coupling capacitor and the input terminal of the second CMOS device. A protection circuit for a CMOS device characterized by inserting a resistor into the circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12964385U JPS6237431U (en) | 1985-08-26 | 1985-08-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12964385U JPS6237431U (en) | 1985-08-26 | 1985-08-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6237431U true JPS6237431U (en) | 1987-03-05 |
Family
ID=31026394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12964385U Pending JPS6237431U (en) | 1985-08-26 | 1985-08-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6237431U (en) |
-
1985
- 1985-08-26 JP JP12964385U patent/JPS6237431U/ja active Pending