DE3776719D1 - Integrierte schmittschaltung mit wahlbaren schwellen- spannungen. - Google Patents

Integrierte schmittschaltung mit wahlbaren schwellen- spannungen.

Info

Publication number
DE3776719D1
DE3776719D1 DE8787105611T DE3776719T DE3776719D1 DE 3776719 D1 DE3776719 D1 DE 3776719D1 DE 8787105611 T DE8787105611 T DE 8787105611T DE 3776719 T DE3776719 T DE 3776719T DE 3776719 D1 DE3776719 D1 DE 3776719D1
Authority
DE
Germany
Prior art keywords
threshold voltages
integrated switching
selectable threshold
selectable
switching
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.)
Expired - Fee Related
Application number
DE8787105611T
Other languages
English (en)
Inventor
Takahiro Fujitsu Limited Kato
Katsuji Fujitsu Limite Hirochi
Takanori Fujitsu Limi Sugihara
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE3776719D1 publication Critical patent/DE3776719D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H03K3/26—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback
    • H03K3/28—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback
    • H03K3/281—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator
    • H03K3/286—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator bistable
    • H03K3/2893—Bistables with hysteresis, e.g. Schmitt trigger

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Design And Manufacture Of Integrated Circuits (AREA)
  • Semiconductor Integrated Circuits (AREA)
  • Manipulation Of Pulses (AREA)
  • Bipolar Integrated Circuits (AREA)
DE8787105611T 1986-04-30 1987-04-15 Integrierte schmittschaltung mit wahlbaren schwellen- spannungen. Expired - Fee Related DE3776719D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61100115A JPS62257747A (ja) 1986-04-30 1986-04-30 半導体集積回路のシユミツト回路

Publications (1)

Publication Number Publication Date
DE3776719D1 true DE3776719D1 (de) 1992-03-26

Family

ID=14265364

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787105611T Expired - Fee Related DE3776719D1 (de) 1986-04-30 1987-04-15 Integrierte schmittschaltung mit wahlbaren schwellen- spannungen.

Country Status (5)

Country Link
US (1) US4806787A (de)
EP (1) EP0243804B1 (de)
JP (1) JPS62257747A (de)
KR (1) KR900004190B1 (de)
DE (1) DE3776719D1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5021687A (en) * 1990-02-01 1991-06-04 National Semiconductor Corporation High speed inverting hysteresis TTL buffer circuit
US5619153A (en) * 1995-06-28 1997-04-08 Hal Computer Systems, Inc. Fast swing-limited pullup circuit
US5805401A (en) * 1995-08-30 1998-09-08 Cherry Semiconductor Corporation Undervoltage lockout circuit with sleep pin
US5796280A (en) * 1996-02-05 1998-08-18 Cherry Semiconductor Corporation Thermal limit circuit with built-in hysteresis

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3471718A (en) * 1966-03-24 1969-10-07 Philips Corp Hysteresis control for a schmitt trigger circuit
JPS5236915U (de) * 1975-09-08 1977-03-16
JPS57201062A (en) * 1981-06-05 1982-12-09 Nec Corp Semiconductor device
JPS58112343A (ja) * 1981-12-26 1983-07-04 Olympus Optical Co Ltd 半導体装置およびその製造方法

Also Published As

Publication number Publication date
EP0243804A2 (de) 1987-11-04
JPS62257747A (ja) 1987-11-10
EP0243804A3 (en) 1990-01-10
EP0243804B1 (de) 1992-02-19
US4806787A (en) 1989-02-21
KR900004190B1 (en) 1990-06-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee