JPH0193836U - - Google Patents

Info

Publication number
JPH0193836U
JPH0193836U JP19040487U JP19040487U JPH0193836U JP H0193836 U JPH0193836 U JP H0193836U JP 19040487 U JP19040487 U JP 19040487U JP 19040487 U JP19040487 U JP 19040487U JP H0193836 U JPH0193836 U JP H0193836U
Authority
JP
Japan
Prior art keywords
logic circuit
input
power source
current switching
switching type
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
JP19040487U
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 JP19040487U priority Critical patent/JPH0193836U/ja
Publication of JPH0193836U publication Critical patent/JPH0193836U/ja
Pending legal-status Critical Current

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Landscapes

  • Manipulation Of Pulses (AREA)
  • Logic Circuits (AREA)

Description

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

第１図ａは本考案によるレベル変換回路、第１
図ｂは本考案によるレベル変換回路の入力電圧付
トランジスタＱ１のベース電位を表わす図、第２
図ａは従来のレベル変換回路、第２図ｂは従来の
レベル変換回路の入力電圧付トランジスタＱ１の
ベース電位を表わす図、第２図ｃは従来のレベル
変換回路の入・出力波形図である。 Ｑ１，Ｑ２……トランジスタ、Ｄ１，Ｄ２，Ｄ
３，Ｄ４，Ｄ５，Ｄ６，Ｄ７，Ｄ８……ダイオー
ド、Ｒ１，Ｒ２，Ｒ３，Ｒ４，Ｒ５，Ｒ６，Ｒ７
……抵抗、Ｉ０……定電流源。 Figure 1a shows the level conversion circuit according to the present invention,
Figure b is a diagram showing the base potential of the input voltage transistor Q1 of the level conversion circuit according to the present invention.
Figure a is a conventional level conversion circuit, Figure 2b is a diagram showing the base potential of transistor Q1 with input voltage in the conventional level conversion circuit, and Figure 2c is an input/output waveform diagram of the conventional level conversion circuit. be. Q 1 , Q 2 ...transistor, D 1 , D 2 , D
3 , D4 , D5 , D6 , D7 , D8 ...Diode, R1 , R2 , R3, R4 , R5 , R6 , R7
 ...Resistance, I 0 ... Constant current source.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 正電源と接地電源との間に接続された電流切換
型論理回路と、前記論理回路の一方の入力に第１
の電位を与えるバイアス回路と、前記論理回路の
他方の入力に前記第１の電位より高い電位を与え
る第２のバイアス回路と、前記論理回路の他方の
入力にアノードが接続されたダイオードとを含み
、前記ダイオードのカソードと接地電源との間に
入力信号を入力し、前記電流切換型論理回路の負
荷から出力を取り出すことを特徴とするレベル変
換回路。 a current switching type logic circuit connected between a positive power source and a ground power source;
a second bias circuit that applies a potential higher than the first potential to the other input of the logic circuit, and a diode whose anode is connected to the other input of the logic circuit. , A level conversion circuit characterized in that an input signal is input between the cathode of the diode and a ground power source, and an output is taken out from the load of the current switching type logic circuit.
JP19040487U 1987-12-14 1987-12-14 Pending JPH0193836U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19040487U JPH0193836U (en) 1987-12-14 1987-12-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19040487U JPH0193836U (en) 1987-12-14 1987-12-14

Publications (1)

Publication Number Publication Date
JPH0193836U true JPH0193836U (en) 1989-06-20

Family

ID=31481380

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19040487U Pending JPH0193836U (en) 1987-12-14 1987-12-14

Country Status (1)

Country Link
JP (1) JPH0193836U (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58115932A (en) * 1981-12-28 1983-07-09 Fujitsu Ltd Level converting circuit
JPS58177032A (en) * 1982-04-08 1983-10-17 Fujitsu Ltd Level converting circuit
JPS61293022A (en) * 1985-06-20 1986-12-23 Sony Corp Ecl-ttl converting and outputting circuit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58115932A (en) * 1981-12-28 1983-07-09 Fujitsu Ltd Level converting circuit
JPS58177032A (en) * 1982-04-08 1983-10-17 Fujitsu Ltd Level converting circuit
JPS61293022A (en) * 1985-06-20 1986-12-23 Sony Corp Ecl-ttl converting and outputting circuit

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