JPH0480050U - - Google Patents
Info
- Publication number
- JPH0480050U JPH0480050U JP12555690U JP12555690U JPH0480050U JP H0480050 U JPH0480050 U JP H0480050U JP 12555690 U JP12555690 U JP 12555690U JP 12555690 U JP12555690 U JP 12555690U JP H0480050 U JPH0480050 U JP H0480050U
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- inverting input
- input terminal
- path
- external
- 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
Landscapes
- Testing Or Measuring Of Semiconductors Or The Like (AREA)
- Semiconductor Integrated Circuits (AREA)
- Design And Manufacture Of Integrated Circuits (AREA)
Description
第１図は本考案実施例の構成を示す図。第２図
は従来例の構成を示す図。第３図は第１図のスイ
ツチ回路の具体例を示す図。
Ａ……増幅器、Ｂ……入力回路、Ｃ……スイツ
チ回路、Ｒ……抵抗、Ｅ，Ｆ，Ｇ……外部端子、
Ｑ１……トランジスタ。
FIG. 1 is a diagram showing the configuration of an embodiment of the present invention. FIG. 2 is a diagram showing the configuration of a conventional example. FIG. 3 is a diagram showing a specific example of the switch circuit shown in FIG. 1. A...Amplifier, B...Input circuit, C...Switch circuit, R...Resistor, E, F, G...External terminal,
Q1...transistor.
Claims (1)
子と反転入力端子との間の経路に抵抗が挿入され
、この出力端子とこの反転入力端子とが外部端子
に接続された増幅器をもつ半導体集積回路におい
て、 上記反転入力端子とこの端子に接続された外部
端子との間の経路を開閉するスイツチング手段 を備えたことを特徴とする半導体集積回路。[Claims for Utility Model Registration] An input circuit is connected to a non-inverting input terminal, a resistor is inserted in a path between an output terminal and an inverting input terminal, and this output terminal and this inverting input terminal are connected to an external terminal. 1. A semiconductor integrated circuit having an amplifier comprising: a switching means for opening/closing a path between the inverting input terminal and an external terminal connected to the terminal;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12555690U JPH0480050U (en) | 1990-11-27 | 1990-11-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12555690U JPH0480050U (en) | 1990-11-27 | 1990-11-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0480050U true JPH0480050U (en) | 1992-07-13 |
Family
ID=31873150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12555690U Pending JPH0480050U (en) | 1990-11-27 | 1990-11-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0480050U (en) |
-
1990
- 1990-11-27 JP JP12555690U patent/JPH0480050U/ja active Pending