JPS6372628U - - Google Patents
Info
- Publication number
- JPS6372628U JPS6372628U JP14907886U JP14907886U JPS6372628U JP S6372628 U JPS6372628 U JP S6372628U JP 14907886 U JP14907886 U JP 14907886U JP 14907886 U JP14907886 U JP 14907886U JP S6372628 U JPS6372628 U JP S6372628U
- Authority
- JP
- Japan
- Prior art keywords
- power
- open
- transistor
- turned
- series
- 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
- 230000007257 malfunction Effects 0.000 claims description 3
- 230000002265 prevention Effects 0.000 description 2
Landscapes
- Power Sources (AREA)
Description
第１図は本考案にかかる電源投入時誤動作防止
回路の一実施例、第２図はオープンコレクタ型デ
バイス内部の等価回路の一実施例、第３図は第１
図におけるタイミングチヤート、第４図は従来の
電源投入時誤動作防止回路、第５図は第４図にお
けるタイミングチヤートである。
１……オープンコレクタ又はオープンドレイン
型のデバイス、２……トランジスタ、３……抵抗
、４……電源端子、５……トランジスタ、６……
ＴＴＬ又はＣＭＯＳデバイス、７……アンドゲー
ト。
Fig. 1 shows an example of the power-on malfunction prevention circuit according to the present invention, Fig. 2 shows an example of an equivalent circuit inside an open collector type device, and Fig. 3 shows an example of the equivalent circuit inside the open collector type device.
The timing chart in the figure, FIG. 4 is a conventional malfunction prevention circuit at power-on, and FIG. 5 is a timing chart in FIG. 4. 1... Open collector or open drain type device, 2... Transistor, 3... Resistor, 4... Power supply terminal, 5... Transistor, 6...
TTL or CMOS device, 7...and gate.
Claims (1)
バイスと、該デバイスの出力端子と電源端子との
間に抵抗とトランジスタとを直列に接続した直列
回路とを具備し、上記トランジスタは電源投入時
に発生するリセツト信号に基づき開閉する様に構
成したことを特徴とする電源投入時誤動作防止回
路。 It is equipped with an open collector or open drain type device and a series circuit in which a resistor and a transistor are connected in series between the output terminal of the device and a power supply terminal, and the transistor is reset based on a reset signal generated when the power is turned on. A circuit for preventing malfunction when power is turned on, characterized in that it is configured to open and close.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14907886U JPS6372628U (en) | 1986-09-29 | 1986-09-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14907886U JPS6372628U (en) | 1986-09-29 | 1986-09-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6372628U true JPS6372628U (en) | 1988-05-16 |
Family
ID=31063947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14907886U Pending JPS6372628U (en) | 1986-09-29 | 1986-09-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6372628U (en) |
-
1986
- 1986-09-29 JP JP14907886U patent/JPS6372628U/ja active Pending