JPS56106426A - Semiconductor device - Google Patents

Semiconductor device

Info

Publication number
JPS56106426A
JPS56106426A JP906280A JP906280A JPS56106426A JP S56106426 A JPS56106426 A JP S56106426A JP 906280 A JP906280 A JP 906280A JP 906280 A JP906280 A JP 906280A JP S56106426 A JPS56106426 A JP S56106426A
Authority
JP
Japan
Prior art keywords
transistor
base
emitter area
supplied
transistors
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
JP906280A
Other languages
Japanese (ja)
Other versions
JPH0127610B2 (en
Inventor
Hiroyuki Misawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co Ltd
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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP906280A priority Critical patent/JPS56106426A/en
Publication of JPS56106426A publication Critical patent/JPS56106426A/en
Publication of JPH0127610B2 publication Critical patent/JPH0127610B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/02—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components
    • H03K19/08—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using semiconductor devices
    • H03K19/082—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using semiconductor devices using bipolar transistors
    • H03K19/086—Emitter coupled logic

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Bipolar Integrated Circuits (AREA)
  • Logic Circuits (AREA)

Abstract

PURPOSE:To improve the noise margin of a logical circuit and thus increase the yield of production for a semiconductor device, by securing a prescribed value to the emitter area of a transistor to which the comparison reference potential is supplied. CONSTITUTION:A basic current switch type logical circuit of 5 input is formed with the transistor Q1 with the comparison reference potential supplied to the base 1, the transistors Q2-Q6 with the input potential supplied to each base, and the transistor Q7 with the constant voltage potential supplied to its base, respectively. Then, the emitter area of the Q1 is set at nearly the square root value of a product of the total sum of the emitter areas of transistors Q2-Q6 and the minimum emitter area among the Q2-Q6.
JP906280A 1980-01-29 1980-01-29 Semiconductor device Granted JPS56106426A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP906280A JPS56106426A (en) 1980-01-29 1980-01-29 Semiconductor device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP906280A JPS56106426A (en) 1980-01-29 1980-01-29 Semiconductor device

Publications (2)

Publication Number Publication Date
JPS56106426A true JPS56106426A (en) 1981-08-24
JPH0127610B2 JPH0127610B2 (en) 1989-05-30

Family

ID=11710120

Family Applications (1)

Application Number Title Priority Date Filing Date
JP906280A Granted JPS56106426A (en) 1980-01-29 1980-01-29 Semiconductor device

Country Status (1)

Country Link
JP (1) JPS56106426A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0191523A (en) * 1987-10-02 1989-04-11 Nippon Telegr & Teleph Corp <Ntt> Logic circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0191523A (en) * 1987-10-02 1989-04-11 Nippon Telegr & Teleph Corp <Ntt> Logic circuit

Also Published As

Publication number Publication date
JPH0127610B2 (en) 1989-05-30

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