DE3238544C2 - - Google Patents

Info

Publication number
DE3238544C2
DE3238544C2 DE19823238544 DE3238544A DE3238544C2 DE 3238544 C2 DE3238544 C2 DE 3238544C2 DE 19823238544 DE19823238544 DE 19823238544 DE 3238544 A DE3238544 A DE 3238544A DE 3238544 C2 DE3238544 C2 DE 3238544C2
Authority
DE
Germany
Prior art keywords
supply voltage
monitoring circuit
voltage
transistor
output state
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
Application number
DE19823238544
Other languages
German (de)
English (en)
Other versions
DE3238544A1 (de
Inventor
Michael Anthony Woodford Green Essex Gb Brent
Ulrich Karl Dipl.-Ing. 7530 Pforzheim De Schimpeler
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.)
Alcatel Lucent NV
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of DE3238544A1 publication Critical patent/DE3238544A1/de
Application granted granted Critical
Publication of DE3238544C2 publication Critical patent/DE3238544C2/de
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
    • H03K3/353—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of field-effect transistors with internal or external positive feedback
    • H03K3/356—Bistable circuits
    • H03K3/3565—Bistables with hysteresis, e.g. Schmitt trigger
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/22—Modifications for ensuring a predetermined initial state when the supply voltage has been applied
    • H03K17/223—Modifications for ensuring a predetermined initial state when the supply voltage has been applied in field-effect transistor switches
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/0036—Means reducing energy consumption

Landscapes

  • Measurement Of Current Or Voltage (AREA)
  • Electronic Switches (AREA)
DE19823238544 1981-10-20 1982-10-18 Ueberwachungsschaltung Granted DE3238544A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08131582A GB2108342B (en) 1981-10-20 1981-10-20 Power-on reset circuit

Publications (2)

Publication Number Publication Date
DE3238544A1 DE3238544A1 (de) 1983-05-19
DE3238544C2 true DE3238544C2 (enrdf_load_stackoverflow) 1988-06-16

Family

ID=10525267

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19823238544 Granted DE3238544A1 (de) 1981-10-20 1982-10-18 Ueberwachungsschaltung

Country Status (2)

Country Link
DE (1) DE3238544A1 (enrdf_load_stackoverflow)
GB (1) GB2108342B (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4970408A (en) * 1989-10-30 1990-11-13 Motorola, Inc. CMOS power-on reset circuit
US5111067A (en) * 1991-04-29 1992-05-05 Intel Corporation Power up reset circuit
DE69217209T2 (de) * 1992-06-26 1997-05-15 Sgs Thomson Microelectronics Einschalt-Rücksetzschaltung mit niedrigem Ruhestromverbrauch
DE4430049C1 (de) * 1994-08-24 1996-03-21 Siemens Ag Schaltungsanordnung zur Unterspannungs-Erkennung
US5801561A (en) * 1995-05-01 1998-09-01 Intel Corporation Power-on initializing circuit
CN110798187B (zh) * 2019-10-30 2023-04-21 湖南融创微电子有限公司 一种上电复位电路

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA961112A (en) * 1971-12-09 1975-01-14 Thomas M. Whitney Low battery voltage indicator for a portable digital electronic instrument
DE2558805A1 (de) * 1975-12-27 1977-07-07 Teves Gmbh Alfred Einrichtung zur ueberwachung einer batteriespannung

Also Published As

Publication number Publication date
DE3238544A1 (de) 1983-05-19
GB2108342B (en) 1986-01-15
GB2108342A (en) 1983-05-11

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: ALCATEL N.V., AMSTERDAM, NL

8328 Change in the person/name/address of the agent

Free format text: THIELE, D., DIPL.-ING., 7000 STUTTGART

8328 Change in the person/name/address of the agent

Free format text: POHL, H., DIPL.-ING., PAT.-ASS., 70435 STUTTGART

8339 Ceased/non-payment of the annual fee