JP2743700B2 - Electronic circuit package - Google Patents
Electronic circuit packageInfo
- Publication number
- JP2743700B2 JP2743700B2 JP4105592A JP10559292A JP2743700B2 JP 2743700 B2 JP2743700 B2 JP 2743700B2 JP 4105592 A JP4105592 A JP 4105592A JP 10559292 A JP10559292 A JP 10559292A JP 2743700 B2 JP2743700 B2 JP 2743700B2
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- electronic circuit
- terminal
- power
- contact terminal
- 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.)
- Expired - Lifetime
Links
Landscapes
- Mounting Of Printed Circuit Boards And The Like (AREA)
- Direct Current Feeding And Distribution (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、電子回路パッケージに
係り、とくに二種以上の異なった電圧源を必要とする電
子回路パッケージに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic circuit package, and more particularly, to an electronic circuit package requiring two or more different voltage sources.
【０００２】[0002]
【従来の技術】２種以上の電源を有し、その電源に投入
順序を必要とする電子回路パッケージに電源を投入する
場合、電子回路パッケージに実装されている半導体集積
回路がラッチアップ等で破壊されないために、電源投入
順序に添って電源を投入する必要がある。したがって、
装置に電源が投入されている状態で電子回路パッケージ
を挿入する場合（活線挿入）、電源投入順序を守るため
図２に示すように電子回路パッケージの電源端子の端子
長を電源の投入順序が守れるように変えて電源投入回路
を構成している。図２では、装置側のコネクタに電子回
路パッケージを挿入すると電子回路パッケージの電子回
路には、「グランドＶG →電源ＶB1→電源ＶB2→電源Ｖ
B3」の順に電源が投入される。2. Description of the Related Art When power is supplied to an electronic circuit package which has two or more power supplies and requires a power-on sequence, a semiconductor integrated circuit mounted on the electronic circuit package is destroyed by latch-up or the like. Therefore, it is necessary to turn on the power in the order of turning on the power. Therefore,
When the electronic circuit package is inserted while power is supplied to the device (hot insertion), the power supply terminal length of the power supply terminal of the electronic circuit package is changed as shown in FIG. The power-on circuit is configured so that it can be protected. In FIG. 2, when the electronic circuit package is inserted into the connector on the device side, the electronic circuit of the electronic circuit package includes “ground V G → power supply V B1 → power supply V B2 → power supply V
The power is turned on in the order of " B3 ".
【０００３】[0003]
【発明が解決しようとする課題】この従来の電源投入回
路では、電子回路パッケージの電源端子長を電源の種類
だけ変える必要があるため、限られた端子長の中では電
源投入順序を守れる電源数に限界があり、電源数を多く
とれないという不都合が生じていた。In this conventional power-on circuit, the power supply terminal length of the electronic circuit package needs to be changed by the type of power supply. And there is a disadvantage that the number of power sources cannot be increased.
【０００４】[0004]
【発明の目的】本発明は、かかる従来例の有する不都合
を改善し、とくに、電源の種類が増加しても電源投入順
序を有効の保持することのできる電子回路パッケージを
提供することを、その目的とする。SUMMARY OF THE INVENTION It is an object of the present invention to provide an electronic circuit package capable of improving the disadvantages of the prior art and, in particular, keeping the power-on sequence effective even if the types of power supplies increase. Aim.
【０００５】[0005]
【課題を解決するための手段】上記目的を達成するた
め、本発明では、少なくとも２つの電源から時間差をも
って電圧を供給し動作する電子回路と、この電子回路を
各電源に着脱可能な電源端子とを備える。電源端子は、
電子回路を電源に着脱するための電圧供給端子を当該電
源毎に有すると共に、該電子回路を接地するための接地
端子を有する。各電圧供給端子と接地端子との間に所定
容量のコンデンサをそれぞれ接続する。各電圧供給端子
は、電源の電圧出力端子に先に接続される早期当接端子
と、当該電源の電圧出力端子に後に接続される遅期当接
端子とを有する。早期当接端子とコンデンサとの間でか
つ早期当接端子と遅期当接端子との間に所定の抵抗を接
続する。各電源毎にコンデンサと抵抗とが成すＲＣ回路
の時定数を少なくとも２つの電源から電圧を供給する時
間差に応じて設定する、という構成を採っている。これ
により前述した目的を達成しようとするものである。 Means for Solving the Problems To achieve the above object,
Therefore, according to the present invention, the time difference between at least two
An electronic circuit that operates by supplying a voltage
Each power supply has a detachable power supply terminal. The power terminal is
Connect the voltage supply terminal for attaching / detaching the electronic circuit to / from the power supply.
Ground for each source and for grounding the electronic circuit
Has terminals. Predetermined between each voltage supply terminal and ground terminal
Capacitors of each capacity are connected. Each voltage supply terminal
Is the early contact terminal connected first to the voltage output terminal of the power supply
And the late contact connected later to the voltage output terminal of the power supply
And a terminal. Between the early contact terminal and the capacitor
A predetermined resistance is connected between the early contact terminal and the late contact terminal.
Continue. RC circuit composed of a capacitor and a resistor for each power supply
When the voltage is supplied from at least two power supplies
It is configured to set according to the difference. this
Thus, the above-mentioned object is achieved.
【０００６】[0006]
【実施例】以下、本発明の一実施例を図１に基づいて説
明する。この図１に示す実施例は、２種以上の異なった
電圧の電源を要する電子回路パッケージにおいて、電源
に接続される電源端子として同一の接続動作に際し他よ
り早く当接する早期当接端子と他より遅く当接する遅期
当接端子とにより成る２種の端子を併設し、電源の種類
毎に２種の端子の早期当接端子部分に抵抗を設け、電子
回路が電源端子の遅期当接端子に接続された場合に当該
遅期当接端子を介して電源が供給されるように抵抗の抵
抗値を設定されている。An embodiment of the present invention will be described below with reference to FIG. The embodiment shown in FIG. 1 is an electronic circuit package that requires a power supply of two or more different voltages. Two types of terminals consisting of a late contact terminal that comes in late contact are provided in parallel, a resistor is provided in the early contact terminal portion of the two types of terminals for each type of power supply, and the electronic circuit is a late contact terminal of the power supply terminal. , The resistance value of the resistor is set so that power is supplied through the late contact terminal.
【０００７】これを更に詳述すると、電源１０の種類
（ＶB1，ＶB2，ＶB3）毎に長短２種類の端子を設け、長
い端子Ｐ１〜Ｐ３と電子回路２０間に抵抗Ｒ1 ，Ｒ2 ，
Ｒ3 を設け、短い端子Ｐ４〜Ｐ６を抵抗Ｒ1 ，Ｒ2 ，Ｒ
3 と電子回路の接続点に接続する。コンデンサＣ1 ，Ｃ
2 ，Ｃ3 は電子回路の電源雑音を抑圧するコンデンサで
ある。More specifically, two types of long and short terminals are provided for each type of power supply 10 (V B1 , V B2 , V B3 ), and resistors R 1 , R 2 are provided between the long terminals P 1 -P 3 and the electronic circuit 20. 2 ,
The R 3 provided resistance to short terminal P4~P6 R 1, R 2, R
Connect to the connection point between 3 and the electronic circuit. Capacitors C 1 and C
Reference numerals 2 and C 3 denote capacitors for suppressing power supply noise of the electronic circuit.
【０００８】電子回路パッケージの端子に接続される装
置側コネクタは、電子回路パッケージの各電源端子の長
短端子が同一電源に接続されるように配線されている。The device-side connector connected to the terminals of the electronic circuit package is wired such that the long and short terminals of each power supply terminal of the electronic circuit package are connected to the same power supply.
【０００９】抵抗Ｒ1 ，Ｒ2 ，Ｒ3 とコンデンサＣ1 ，
Ｃ2 ，Ｃ3 で決まる時定数がＲ1 Ｃ1 ＜Ｒ2 Ｃ2 ＜Ｒ3
Ｃ3 となるように抵抗値を選択することによって、電子
回路パッケージを装置側コネクタに挿入した場合（活線
挿入）、電子回路パッケージの電子回路には「グランド
ＶG →電源ＶB1→電源ＶB2→電源ＶB3」の順に電源が投
入される。The resistors R 1 , R 2 , R 3 and the capacitors C 1 ,
The time constant determined by C 2 and C 3 is R 1 C 1 <R 2 C 2 <R 3
When the electronic circuit package is inserted into the device-side connector by selecting the resistance value so as to be C 3 (hot-line insertion), the electronic circuit of the electronic circuit package includes “ground V G → power supply V B1 → power supply V B The power is turned on in the order of “ B2 → power supply V B3 ”.
【００１０】抵抗Ｒ1 ，Ｒ2 ，Ｒ3 は、電子回路パッケ
ージの装置側コネクタへの挿入が完了すると長短端子間
で短絡される。このため電子回路への影響はない。The resistors R 1 , R 2 and R 3 are short-circuited between the long and short terminals when the insertion of the electronic circuit package into the device-side connector is completed. Therefore, there is no influence on the electronic circuit.
【００１１】[0011]
【発明の効果】以上説明したように本発明は、電子回路
パッケージの電源端子の長短端子間に設けた抵抗と電子
回路の電源−グランド間に予め設けられたコンデンサで
決まる時定数が、源投入順に大きくなるように設定し得
るので、電源の種類が増加しても端子長の種類を増加す
ることなく活線挿入時でも電源投入順序を守ることが出
来るという従来にない優れた電子回路パッケージを提供
することができる。As described above, according to the present invention, the time constant determined by the resistor provided between the long and short terminals of the power supply terminal of the electronic circuit package and the capacitor provided in advance between the power supply and the ground of the electronic circuit is determined by the power supply. It can be set to increase in order, so even if the type of power supply increases, the type of terminal length can be maintained without increasing the type of terminal length. Can be provided.
【図１】本発明の一実施例を示すブロック図である。FIG. 1 is a block diagram showing one embodiment of the present invention.
【図２】従来例を示すブロック図である。FIG. 2 is a block diagram showing a conventional example.
１０ 電源 ２０ 電子回路 Ｒ1 ，Ｒ2 ，Ｒ3 抵抗 Ｃ1 ，Ｃ2 ，Ｃ3 コンデンサＰ 1 〜Ｐ 6 電圧供給端子 Ｐ 7 接地端子 Ｏ 1 〜Ｏ 6 電圧出力端子 10 Power 20 electronics R 1, R 2, R 3 resistors C 1, C 2, C 3 capacitor P 1 to P 6 voltage supply terminal P 7 ground terminal O 1 ~ O 6 voltage output terminal
Claims (1)
て電圧を供給し動作する電子回路と、この電子回路を前
記各電源に着脱可能な電源端子とを備え、 前記電源端子は、前記電子回路を前記電源に着脱するた
めの電圧供給端子を当該電源毎に有すると共に、該電子
回路を接地するための接地端子を有し、 前記各電圧供給端子と接地端子との間に所定容量のコン
デンサをそれぞれ接続した電子回路パッケージにおい
て、 前記各電圧供給端子は、前記電源の電圧出力端子に先に
接続される早期当接端子と、当該電源の電圧出力端子に
後に接続される遅期当接端子とを有し、 前記早期当接端子とコンデンサとの間でかつ前記早期当
接端子と遅期当接端子との間に所定の抵抗を接続し、 前記各電源毎に前記コンデンサと前記抵抗とが成すＲＣ
回路の時定数を前記少なくとも２つの電源から電圧を供
給する時間差に応じて設定したことを特徴とする電子回
路パッケージ。 1. A method for detecting a time difference between at least two power sources.
An electronic circuit that supplies voltage to operate
A power supply terminal detachable from each power supply, wherein the power supply terminal is configured to attach and detach the electronic circuit to and from the power supply.
Power supply terminals for each power supply,
A ground terminal for grounding the circuit, and a capacitor having a predetermined capacity between each of the voltage supply terminals and the ground terminal.
In the electronic circuit package to which each capacitor is connected
The voltage supply terminals are connected to the voltage output terminals of the power supply first.
Connect the early contact terminal that is connected to the voltage output terminal of the power supply.
A late contact terminal to be connected later, and between the early contact terminal and the capacitor and the early contact terminal.
A predetermined resistor is connected between the contact terminal and the late contact terminal, and an RC formed by the capacitor and the resistor for each power supply.
The time constant of the circuit is supplied from the at least two power sources.
Electronic time, which is set according to the time difference
Road package.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4105592A JP2743700B2 (en) | 1992-03-31 | 1992-03-31 | Electronic circuit package |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4105592A JP2743700B2 (en) | 1992-03-31 | 1992-03-31 | Electronic circuit package |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05283877A JPH05283877A (en) | 1993-10-29 |
| JP2743700B2 true JP2743700B2 (en) | 1998-04-22 |
Family
ID=14411775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4105592A Expired - Lifetime JP2743700B2 (en) | 1992-03-31 | 1992-03-31 | Electronic circuit package |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2743700B2 (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6234495U (en) * | 1985-08-20 | 1987-02-28 | ||
| JPS63131478A (en) * | 1986-11-21 | 1988-06-03 | 株式会社日立国際電気 | Method of mating/unmating printed connector in hot-line condition |
| JP2752774B2 (en) * | 1990-06-01 | 1998-05-18 | 日本電信電話株式会社 | Hot-swap package |
-
1992
- 1992-03-31 JP JP4105592A patent/JP2743700B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05283877A (en) | 1993-10-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 19980106 |