JPS5711535A - Integrated logical circuit - Google Patents

Integrated logical circuit

Info

Publication number
JPS5711535A
JPS5711535A JP8631480A JP8631480A JPS5711535A JP S5711535 A JPS5711535 A JP S5711535A JP 8631480 A JP8631480 A JP 8631480A JP 8631480 A JP8631480 A JP 8631480A JP S5711535 A JPS5711535 A JP S5711535A
Authority
JP
Japan
Prior art keywords
input
point
vin1
level
logical
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
JP8631480A
Other languages
Japanese (ja)
Other versions
JPS6356723B2 (en
Inventor
Akira Aso
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 JP8631480A priority Critical patent/JPS5711535A/en
Publication of JPS5711535A publication Critical patent/JPS5711535A/en
Publication of JPS6356723B2 publication Critical patent/JPS6356723B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/023—Generators characterised by the type of circuit or by the means used for producing pulses by the use of differential amplifiers or comparators, with internal or external positive feedback
    • H03K3/0233—Bistable circuits
    • H03K3/02337—Bistables with hysteresis, e.g. Schmitt trigger

Landscapes

  • Logic Circuits (AREA)

Abstract

PURPOSE:To keep noise margin required for variance of external conditions easily, by giving a hysteresis to the input and output characteristics of gates according to the conditions, in an integrated logical circuit. CONSTITUTION:A reference voltage VRA1 of a current switching type logical gate G1 takes binary value to the logical operation of an input signal. Outputs 01, 02 of the gate G1 are connected to gates G2, G3, and output lines l1, l2 different in the phase are connected to the point (a), and when an input VIN1 is at low level, the output line l1 turns on, and the potential at the point (a) is Rri I2, and when the input VIN1 is at high level, the output line l2 turns on and the potential at the point (a) is Rri I3. If I2 I3, the VRA1 takes binary value depending on the level of the VIN1, the input and output characteristics of the G1 have a hysteresis, and when I2<I3, the noise margin of each logical level can be increased.
JP8631480A 1980-06-25 1980-06-25 Integrated logical circuit Granted JPS5711535A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8631480A JPS5711535A (en) 1980-06-25 1980-06-25 Integrated logical circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8631480A JPS5711535A (en) 1980-06-25 1980-06-25 Integrated logical circuit

Publications (2)

Publication Number Publication Date
JPS5711535A true JPS5711535A (en) 1982-01-21
JPS6356723B2 JPS6356723B2 (en) 1988-11-09

Family

ID=13883366

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8631480A Granted JPS5711535A (en) 1980-06-25 1980-06-25 Integrated logical circuit

Country Status (1)

Country Link
JP (1) JPS5711535A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60100818A (en) * 1983-11-07 1985-06-04 Sumitomo Electric Ind Ltd Comparator with hysteresis
JPH0786909A (en) * 1993-06-30 1995-03-31 Nec Corp Output circuit for semiconductor integrated circuit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54151360A (en) * 1978-04-11 1979-11-28 Mitsubishi Electric Corp Schmitt trigger circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54151360A (en) * 1978-04-11 1979-11-28 Mitsubishi Electric Corp Schmitt trigger circuit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60100818A (en) * 1983-11-07 1985-06-04 Sumitomo Electric Ind Ltd Comparator with hysteresis
JPH0786909A (en) * 1993-06-30 1995-03-31 Nec Corp Output circuit for semiconductor integrated circuit

Also Published As

Publication number Publication date
JPS6356723B2 (en) 1988-11-09

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