JPS60132037U - logic circuit - Google Patents

logic circuit

Info

Publication number
JPS60132037U
JPS60132037U JP1921584U JP1921584U JPS60132037U JP S60132037 U JPS60132037 U JP S60132037U JP 1921584 U JP1921584 U JP 1921584U JP 1921584 U JP1921584 U JP 1921584U JP S60132037 U JPS60132037 U JP S60132037U
Authority
JP
Japan
Prior art keywords
logic circuit
circuit
bypass circuit
emitter follower
bypass
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
JP1921584U
Other languages
Japanese (ja)
Inventor
牛田　富雄
Original Assignee
株式会社日立製作所
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 株式会社日立製作所 filed Critical 株式会社日立製作所
Priority to JP1921584U priority Critical patent/JPS60132037U/en
Publication of JPS60132037U publication Critical patent/JPS60132037U/en
Pending legal-status Critical Current

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  • Logic Circuits (AREA)
  • Electronic Switches (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) [Summary] 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 drawings]

第１図は、ＥＣＬ型論理回路の従来例の回路図、第２図
は第１図の回路の出力波形路、第３図は本考案の一実施
例の回路図、第４図は第３図の回路の出力電圧とバイパ
ス電流の時間関係を示す線区である。 ２、３．　４・・・電源端子、５・・・入力端子、６，
７・・・出力端子、Ｑ５．Ｑ７・・・制御回路トランジ
スタ、Ｒ５１，Ｒ５２，Ｒ７１，Ｒ７２・・・制御回路
抵抗、Ｑ６．Ｑ８・・・バイパス回路トランジスタ、Ｒ
６，Ｒ８・・・バイパス回路抵抗。FIG. 1 is a circuit diagram of a conventional example of an ECL type logic circuit, FIG. 2 is an output waveform path of the circuit of FIG. 1, FIG. 3 is a circuit diagram of an embodiment of the present invention, and FIG. This is a line section showing the time relationship between the output voltage and bypass current of the circuit shown in the figure. 2, 3. 4...Power terminal, 5...Input terminal, 6,
7...output terminal, Q5. Q7... Control circuit transistor, R51, R52, R71, R72... Control circuit resistance, Q6. Q8...Bypass circuit transistor, R
6, R8... Bypass circuit resistance.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ＥＣＬ　（Ｅｍｉｔｔｅｒ　Ｃｏｕｐｌｅｄ　　Ｌｏｇ
ｉｃ）型論理回路において、出カニミッタフォロア端子
と電源とを−接続するバイパス回路と、前記バイパス回
路の導−通の制御するための制御回路とからなり、前記
エミッタ・フォロア端子の出力電圧がハイレベルからロ
ーレベルに立下がる過渡時のみバイパス回路が導通ずる
ことを特徴とする論理回路。ECL (Emitter Coupled Log
IC) type logic circuit includes a bypass circuit that connects the output emitter follower terminal and the power supply, and a control circuit that controls conduction of the bypass circuit, and the output voltage of the emitter follower terminal is A logic circuit characterized in that a bypass circuit becomes conductive only during a transition from a high level to a low level.
JP1921584U 1984-02-15 1984-02-15 logic circuit Pending JPS60132037U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1921584U JPS60132037U (en) 1984-02-15 1984-02-15 logic circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1921584U JPS60132037U (en) 1984-02-15 1984-02-15 logic circuit

Publications (1)

Publication Number Publication Date
JPS60132037U true JPS60132037U (en) 1985-09-04

Family

ID=30508584

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1921584U Pending JPS60132037U (en) 1984-02-15 1984-02-15 logic circuit

Country Status (1)

Country Link
JP (1) JPS60132037U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02159116A (en) * 1988-12-12 1990-06-19 Sharp Corp Signal output circuit
JPH03227119A (en) * 1990-01-31 1991-10-08 Toshiba Corp Ecl logic circuit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02159116A (en) * 1988-12-12 1990-06-19 Sharp Corp Signal output circuit
JPH03227119A (en) * 1990-01-31 1991-10-08 Toshiba Corp Ecl logic circuit

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