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
Application number
JP7925989U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP7925989U priority Critical patent/JPH0320546U/ja
Publication of JPH0320546U publication Critical patent/JPH0320546U/ja
Pending legal-status Critical Current

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  • Electronic Switches (AREA)
  • Logic Circuits (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] 高電圧の電源電位点と基準電位点の間に電界効
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.
JP7925989U 1989-07-05 1989-07-05 Pending JPH0320546U (en)

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)

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