JPH0320546U - - Google Patents
Info
- Publication number
- JPH0320546U JPH0320546U JP7925989U JP7925989U JPH0320546U JP H0320546 U JPH0320546 U JP H0320546U JP 7925989 U JP7925989 U JP 7925989U JP 7925989 U JP7925989 U JP 7925989U JP H0320546 U JPH0320546 U JP H0320546U
- Authority
- JP
- Japan
- Prior art keywords
- output
- potential point
- transistor
- logic signal
- reference potential
- 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
- 230000005669 field effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Electronic Switches (AREA)
- Logic Circuits (AREA)
Description
第1図は本考案の電界効果トランジスタを用い
る出力回路の実施例回路図である。第2図および
第3図は従来技術によるかかる出力回路の回路図
である。図において、
1,2……電源電位点側出力トランジスタ、1
a……ダイオード、1b……放電抵抗、3……基
準電位点側出力トランジスタ、3a……放電抵抗
、4……レベルシフト回路用トランジスタ、4a
,4b……レベルシフト回路用抵抗、5……電源
電位点側出力トランジスタ操作用トランジスタ、
5a……電流制限抵抗、6……ツエナダイオード
、7……ツエナダイオードの直列抵抗、8……イ
ンバータ、9……論理信号を発するフリツプフロ
ツプ、10……スイツチング回路、11……アナ
ログスイツチ、12……アナログスイツチ操作用
インバータ、E……基準電位点、S……論理信号
、V……高電圧の電源電位点ないしは電源電圧、
Vd……論理信号用低電圧、Vo……出力回路の
出力電圧、である。
FIG. 1 is a circuit diagram of an embodiment of an output circuit using a field effect transistor of the present invention. 2 and 3 are circuit diagrams of such output circuits according to the prior art. In the figure, 1, 2... Output transistor on the power supply potential point side, 1
a...Diode, 1b...Discharge resistor, 3...Reference potential point side output transistor, 3a...Discharge resistor, 4...Level shift circuit transistor, 4a
, 4b... Resistor for level shift circuit, 5... Transistor for operating the output transistor on the power supply potential point side,
5a...Current limiting resistor, 6...Zena diode, 7...Zena diode series resistance, 8...Inverter, 9...Flip-flop that generates a logic signal, 10...Switching circuit, 11...Analog switch, 12... ...Inverter for analog switch operation, E...Reference potential point, S...Logic signal, V...High voltage power supply potential point or power supply voltage,
Vd: Low voltage for logic signals, Vo: Output voltage of the output circuit.
Claims (1)
果トランジスタからなる1対の出力トランジスタ
を直列接続し、これらを基準電位点を共通電位と
する低電圧の論理信号の論理状態に応じて交互に
開閉動作させ、両出力トランジスタの相互接続点
から出力を取り出す出力回路において、論理信号
の論理状態に応じて開閉動作するスイツチング回
路を設け、このスイツチング回路を介して出力回
路内の電源電位点側の論理信号より高い電位を基
準電位点側の出力トランジスタのゲートに供給し
てそれを閉動作させるようにしたことを特徴とす
る電界効果トランジスタを用いる出力回路。 A pair of output transistors consisting of field effect transistors are connected in series between a high voltage power supply potential point and a reference potential point, and these are alternately connected according to the logic state of a low voltage logic signal with the reference potential point as a common potential. In the output circuit that opens and closes the transistor and takes out the output from the interconnection point of both output transistors, a switching circuit that opens and closes depending on the logic state of the logic signal is provided. 1. An output circuit using a field effect transistor, characterized in that a potential higher than a logic signal of is supplied to the gate of the output transistor on the reference potential point side to cause the gate to close.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7925989U JPH0320546U (en) | 1989-07-05 | 1989-07-05 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7925989U JPH0320546U (en) | 1989-07-05 | 1989-07-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0320546U true JPH0320546U (en) | 1991-02-28 |
Family
ID=31623258
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7925989U Pending JPH0320546U (en) | 1989-07-05 | 1989-07-05 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0320546U (en) |
-
1989
- 1989-07-05 JP JP7925989U patent/JPH0320546U/ja active Pending
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