JPS61139029U - - Google Patents

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Publication number
JPS61139029U
JPS61139029U JP2241085U JP2241085U JPS61139029U JP S61139029 U JPS61139029 U JP S61139029U JP 2241085 U JP2241085 U JP 2241085U JP 2241085 U JP2241085 U JP 2241085U JP S61139029 U JPS61139029 U JP S61139029U
Authority
JP
Japan
Prior art keywords
power supply
logic circuit
collector
input
diode
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
JP2241085U
Other languages
English (en)
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 JP2241085U priority Critical patent/JPS61139029U/ja
Publication of JPS61139029U publication Critical patent/JPS61139029U/ja
Pending legal-status Critical Current

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  • Logic Circuits (AREA)

Description

【図面の簡単な説明】
第１図は本考案の一実施例を示す回路構成図。
第２図は従来例回路の構成図。 １…負極性電源で動作する回路ブロツク、２…
正極性電源で動作する回路ブロツク、３…インタ
フエース回路、１０…コンパレータ、１１…入力
端子、２０…ＣＭＯＳ論理回路、２３…出力端子
、３１…ＮＰＮトランジスタ。

Claims (1)

  1. 【実用新案登録請求の範囲】 負極性電源で動作する論理回路の出力と、正極
    性電源で動作する論理回路の入力とを接続するイ
    ンタフエース回路において、 ベースが上記出力に接続され、エミツタが負極
    性電源に接続され、コレクタがダイオードのカソ
    ードに接続されたＮＰＮトランジスタを備え、 上記ダイオードのアノードが共通電位点に接続
    され、 上記トランジスタのコレクタが上記正極電源で
    動作する論理回路の入力に接続された ことを特徴とするインタフエース回路。
JP2241085U 1985-02-19 1985-02-19 Pending JPS61139029U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2241085U JPS61139029U (ja) 1985-02-19 1985-02-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2241085U JPS61139029U (ja) 1985-02-19 1985-02-19

Publications (1)

Publication Number Publication Date
JPS61139029U true JPS61139029U (ja) 1986-08-28

Family

ID=30514678

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2241085U Pending JPS61139029U (ja) 1985-02-19 1985-02-19

Country Status (1)

Country Link
JP (1) JPS61139029U (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63211194A (ja) * 1987-02-27 1988-09-02 Oki Electric Ind Co Ltd 半導体装置
JP2018060544A (ja) * 2016-10-09 2018-04-12 華為技術有限公司Ｈｕａｗｅｉ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． デジタル信号入力回路

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5627531A (en) * 1979-08-10 1981-03-17 Fujitsu Ltd Connecting method for emitter-coupled transistor logic circuit and transistor-coupled transistor logic circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5627531A (en) * 1979-08-10 1981-03-17 Fujitsu Ltd Connecting method for emitter-coupled transistor logic circuit and transistor-coupled transistor logic circuit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63211194A (ja) * 1987-02-27 1988-09-02 Oki Electric Ind Co Ltd 半導体装置
JP2018060544A (ja) * 2016-10-09 2018-04-12 華為技術有限公司Ｈｕａｗｅｉ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． デジタル信号入力回路

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