JPS63178922U - - Google Patents
Info
- Publication number
- JPS63178922U JPS63178922U JP6896887U JP6896887U JPS63178922U JP S63178922 U JPS63178922 U JP S63178922U JP 6896887 U JP6896887 U JP 6896887U JP 6896887 U JP6896887 U JP 6896887U JP S63178922 U JPS63178922 U JP S63178922U
- Authority
- JP
- Japan
- Prior art keywords
- protection diode
- power supply
- analog switch
- string
- 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
- 239000003990 capacitor Substances 0.000 claims description 2
- 230000002457 bidirectional effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Electronic Switches (AREA)
Description
第1図は本考案の一実施例を示す図、第2図は
この実施例の入力および出力信号の波形、第3図
は変形実施例を示す図、第4図は従来の回路を示
す図である。
10……(CMOS)アナログスイツチ、10
A……スイツチ部、11,12……入力/出力端
子、20……(負バイアス効果を生ぜしめる)回
路網、D1〜D4……保護ダイオード、D5……
ダイオード、C……コンデンサ。
Fig. 1 is a diagram showing an embodiment of the present invention, Fig. 2 is a diagram showing input and output signal waveforms of this embodiment, Fig. 3 is a diagram showing a modified embodiment, and Fig. 4 is a diagram showing a conventional circuit. It is. 10...(CMOS) analog switch, 10
A... Switch section, 11, 12... Input/output terminal, 20... Circuit network (producing negative bias effect), D1 to D4... Protection diode, D5...
Diode, C... capacitor.
Claims (1)
力保護ダイオードを有する双方向CMOSアナロ
グスイツチにおいて、 負極電源端子とグランド端子との間に前記保護
ダイオードと同一極性方向に接続された1以上の
ダイオードと該ダイオードストリングに並列接続
されたコンデンサとよりなる回路網を設けたこと
を特徴とするアナログスイツチ。[Claims for Utility Model Registration] In a bidirectional CMOS analog switch having an internal input protection diode between the input/output terminal and the negative power supply terminal, the protection diode has the same polarity as the protection diode between the negative power supply terminal and the ground terminal. 1. An analog switch comprising a circuit network comprising one or more diodes connected to a string and a capacitor connected in parallel to the diode string.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6896887U JPS63178922U (en) | 1987-05-11 | 1987-05-11 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6896887U JPS63178922U (en) | 1987-05-11 | 1987-05-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63178922U true JPS63178922U (en) | 1988-11-18 |
Family
ID=30909271
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6896887U Pending JPS63178922U (en) | 1987-05-11 | 1987-05-11 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63178922U (en) |
-
1987
- 1987-05-11 JP JP6896887U patent/JPS63178922U/ja active Pending