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JPS60111281U - Input/output circuit - Google Patents

Input/output circuit

Info

Publication number
JPS60111281U
JPS60111281U JP20485183U JP20485183U JPS60111281U JP S60111281 U JPS60111281 U JP S60111281U JP 20485183 U JP20485183 U JP 20485183U JP 20485183 U JP20485183 U JP 20485183U JP S60111281 U JPS60111281 U JP S60111281U
Authority
JP
Japan
Prior art keywords
input
emitter
coupled logic
shared
output circuit
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.)
Granted
Application number
JP20485183U
Other languages
Japanese (ja)
Other versions
JPH0422313Y2 (en
Inventor
隆 関野
Original Assignee
株式会社アドバンテスト
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 by 株式会社アドバンテスト filed Critical 株式会社アドバンテスト
Priority to JP20485183U priority Critical patent/JPS60111281U/en
Publication of JPS60111281U publication Critical patent/JPS60111281U/en
Application granted granted Critical
Publication of JPH0422313Y2 publication Critical patent/JPH0422313Y2/ja
Granted legal-status Critical Current

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  • Testing Of Individual Semiconductor Devices (AREA)
  • Tests Of Electronic Circuits (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図及び第２図はそれぞれ従来の入出力回路を示す接
続図、第３図はこの考案による入出力回路の一例を示す
接続図である。 ３Ｌ４１：エミッタ結合ロジック、３６：共通負荷抵抗
器、３９：データ入力端子、４７：入出力切替入力端子
。1 and 2 are connection diagrams showing conventional input/output circuits, respectively, and FIG. 3 is a connection diagram showing an example of the input/output circuit according to this invention. 3L41: Emitter coupled logic, 36: Common load resistor, 39: Data input terminal, 47: Input/output switching input terminal.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 第１エミツタ結合ロジックと、その第１エミツタ結合ロ
ジックの−っの負荷抵抗器を共用した第２エミツタ結合
・ロジックと、その共用された負荷抵抗器の接続点から
導出された入出力端子と、入力データにより上記第１エ
ミツタ結合ロジックを反転制御する手段と、入出力切替
データにより上記第１エミツタ結合ロジックの上記共用
抵抗器側の電流を遮断状態に制御する手段と、上記入出
力切替データにより上記第２エミツタ結合ロジックの共
用抵抗器側に電流を流す制御手段と、上記入出力端子に
接続された入力回路とを具備する入出力回路。a first emitter-coupled logic, a second emitter-coupled logic that shares a load resistor of the first emitter-coupled logic, and an input/output terminal derived from a connection point of the shared load resistor; means for inverting and controlling the first emitter-coupled logic based on input data; means for controlling the current on the shared resistor side of the first emitter-coupled logic to a cutoff state based on the input/output switching data; An input/output circuit comprising: control means for causing current to flow through the shared resistor side of the second emitter coupling logic; and an input circuit connected to the input/output terminal.
JP20485183U 1983-12-29 1983-12-29 Input/output circuit Granted JPS60111281U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20485183U JPS60111281U (en) 1983-12-29 1983-12-29 Input/output circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20485183U JPS60111281U (en) 1983-12-29 1983-12-29 Input/output circuit

Publications (2)

Publication Number Publication Date
JPS60111281U true JPS60111281U (en) 1985-07-27
JPH0422313Y2 JPH0422313Y2 (en) 1992-05-21

Family

ID=30767235

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20485183U Granted JPS60111281U (en) 1983-12-29 1983-12-29 Input/output circuit

Country Status (1)

Country Link
JP (1) JPS60111281U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5873881A (en) * 1981-10-29 1983-05-04 Advantest Corp Ic tester

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5873881A (en) * 1981-10-29 1983-05-04 Advantest Corp Ic tester

Also Published As

Publication number Publication date
JPH0422313Y2 (en) 1992-05-21

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