JPH01139461U - - Google Patents
Info
- Publication number
- JPH01139461U JPH01139461U JP3461288U JP3461288U JPH01139461U JP H01139461 U JPH01139461 U JP H01139461U JP 3461288 U JP3461288 U JP 3461288U JP 3461288 U JP3461288 U JP 3461288U JP H01139461 U JPH01139461 U JP H01139461U
- Authority
- JP
- Japan
- Prior art keywords
- common terminal
- photocoupler
- light emitting
- emitting diodes
- pin
- 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
Description
図１図〜第３図はこの考案の一実施例を示し、
第１図はフオトカプラの内部構成図、第２図はフ
オトカプラの外形図、第３図はフオトカプラを用
いた入出力インターフエース回路例、第４図〜第
６図は従来例を示し、第４図はフオトカプラの内
部接続図、第５図はフオトカプラの外形図、第６
図は従来のフオトカプラを用いた入出力インター
フエース回路例である。図において、１は第１の
フオトカプラ、２は第２のフオトカプラ、３は第
３のフオトカプラ、４は第４のフオトカプラ、１
１，２１，３１，４１は発光ダイオード、１２，
２２，３２，４２は受光トランジスタである。な
お、図中、同一符号は同一、又は相当部分を示す
。
Figures 1 to 3 show an embodiment of this invention,
Fig. 1 is an internal configuration diagram of a photocoupler, Fig. 2 is an external view of the photocoupler, Fig. 3 is an example of an input/output interface circuit using a photocoupler, Figs. 4 to 6 show conventional examples, and Fig. 4 is an internal connection diagram of the photocoupler, Figure 5 is an external diagram of the photocoupler, and Figure 6 is an external diagram of the photocoupler.
The figure shows an example of an input/output interface circuit using a conventional photocoupler. In the figure, 1 is a first photocoupler, 2 is a second photocoupler, 3 is a third photocoupler, 4 is a fourth photocoupler, 1
1, 21, 31, 41 are light emitting diodes, 12,
22, 32, and 42 are light receiving transistors. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
受光トランジスタからなるフオトカプラを複数対
収納したフオトカプラにおいて、上記複数個の発
光ダイオードのアノード側を共通端子としてもし
くはカソード側を共通端子としてピン出力すると
ともに上記複数個の受光トランジスタのコレクタ
を共通端子としてもしくはエミツタを共通端子と
してピン出力することを特徴とした複合フオトカ
プラ。 In a photocoupler in which a plurality of pairs of photocouplers each consisting of a pair of light emitting diodes and a light receiving transistor are housed in the same package, the anode side of the plurality of light emitting diodes is used as a common terminal or the cathode side is used as a common terminal for pin output, and the plurality of light emitting diodes are output as a common terminal. A composite photocoupler characterized by outputting a pin using the collector of the photodetector transistor as a common terminal or the emitter as a common terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3461288U JPH01139461U (en) | 1988-03-16 | 1988-03-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3461288U JPH01139461U (en) | 1988-03-16 | 1988-03-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01139461U true JPH01139461U (en) | 1989-09-22 |
Family
ID=31261312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3461288U Pending JPH01139461U (en) | 1988-03-16 | 1988-03-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01139461U (en) |
-
1988
- 1988-03-16 JP JP3461288U patent/JPH01139461U/ja active Pending