JPH0264234U - - Google Patents
Info
- Publication number
- JPH0264234U JPH0264234U JP14412588U JP14412588U JPH0264234U JP H0264234 U JPH0264234 U JP H0264234U JP 14412588 U JP14412588 U JP 14412588U JP 14412588 U JP14412588 U JP 14412588U JP H0264234 U JPH0264234 U JP H0264234U
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- diode
- pull
- output circuit
- open
- 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
Landscapes
- Logic Circuits (AREA)
Description
第１図は、本考案の一実施例に係る入出力イン
タフエースを示す回路図、第２図は、従来の入出
力インタフエースを示す回路図である。
４……プルアツプ抵抗、９……ダイオード。
FIG. 1 is a circuit diagram showing an input/output interface according to an embodiment of the present invention, and FIG. 2 is a circuit diagram showing a conventional input/output interface. 4...Pull-up resistor, 9...Diode.
Claims (1)
抗にダイオードを直列に挿入し、電源からダイオ
ード、プルアツプ抵抗および出力回路のオープン
コレクタの順にしか電流が流れないことを特徴と
する入出力インタフエース。 An input/output interface characterized in that a diode is inserted in series with the pull-up resistor of an open-collector output circuit, and current flows only from the power supply through the diode, the pull-up resistor, and the open collector of the output circuit in that order.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14412588U JPH0264234U (en) | 1988-11-04 | 1988-11-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14412588U JPH0264234U (en) | 1988-11-04 | 1988-11-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0264234U true JPH0264234U (en) | 1990-05-15 |
Family
ID=31411554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14412588U Pending JPH0264234U (en) | 1988-11-04 | 1988-11-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0264234U (en) |
-
1988
- 1988-11-04 JP JP14412588U patent/JPH0264234U/ja active Pending
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