WO1991005408A1 - Commande par injecteur - Google Patents

Commande par injecteur Download PDF

Info

Publication number
WO1991005408A1
WO1991005408A1 PCT/EP1990/001607 EP9001607W WO9105408A1 WO 1991005408 A1 WO1991005408 A1 WO 1991005408A1 EP 9001607 W EP9001607 W EP 9001607W WO 9105408 A1 WO9105408 A1 WO 9105408A1
Authority
WO
WIPO (PCT)
Prior art keywords
logic
injector
circuit
signals
outputs
Prior art date
Application number
PCT/EP1990/001607
Other languages
German (de)
English (en)
Inventor
Thierry Meunier
Original Assignee
Deutsche Thomson-Brandt Gmbh
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 Deutsche Thomson-Brandt Gmbh filed Critical Deutsche Thomson-Brandt Gmbh
Publication of WO1991005408A1 publication Critical patent/WO1991005408A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
    • 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
    • H03K19/091—Integrated injection logic or merged transistor logic

Definitions

  • I2L circuits For certain purposes, it is necessary to adapt a circuit family, for example I2L circuits, at the inputs or outputs to another circuit family, for example TTL circuits, in order, for example, to use one TTL control signal to produce several I2L output signals switch on simultaneously.
  • I2L means: I-Quadrat-L, integrated injection logic.
  • I2L circuits require only a very small chip area and have short switching times.
  • An I2L switching element consists of an npn transistor, which functions as a switch, and a pnp transistor, which functions as a current source.
  • the number of parallel outputs per transistor is normally limited to four. If the logic state of many I2L circuit outputs is to be switched on at the same time, control logic is required for the I2L circuit output transistors with a correspondingly large number of parallel outputs. Because of the limitation of the number to four, a known control logic has a ne tree structure with a corresponding time delay due to several cascaded logic gates (Fig.l).
  • the invention is based on the object of specifying a method and a circuit for the simultaneous switching of signals of a plurality of I2L circuit outputs with a short time delay within an I2L circuit.
  • the input signal of the logic control does not have to be compatible with I2L technology.
  • the output signal of one of the gates (111 to 116) only has the logical value 'true' or '1' if both the input signal of the corresponding gate (111 to 116) and the control signal (14) have the logical value 'true' or '1'.
  • the output signal of the corresponding gate (111 to 116) has the logical value 'false' or '0'.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Semiconductor Integrated Circuits (AREA)

Abstract

Commande par injecteur de circuits intégrés. Lors de la transmission simultanée de plusieurs signaux à l'intérieur d'un circuit I2L, on utilise une logique en structure arborescente à cause d'une sortance maximum de 4 pour l'excitation des grilles correspondantes. Toutefois, ce type d'excitation est lent et nécessite une puce supplémentaire correspondante. En utilisant des commutateurs commandés par injection, dont les injecteurs sont intégrés à un injecteur commun sur la puce, les signaux peuvent être commandés rapidement au moyen d'une excitation par courant de cet injecteur commun et en utilisant une puce à surface réduite. Pour circuits intégrés selon la technique I2L.
PCT/EP1990/001607 1989-09-30 1990-09-21 Commande par injecteur WO1991005408A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19893932792 DE3932792A1 (de) 1989-09-30 1989-09-30 Injektorsteuerung
DEP3932792.2 1989-09-30

Publications (1)

Publication Number Publication Date
WO1991005408A1 true WO1991005408A1 (fr) 1991-04-18

Family

ID=6390629

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1990/001607 WO1991005408A1 (fr) 1989-09-30 1990-09-21 Commande par injecteur

Country Status (3)

Country Link
AU (1) AU6422290A (fr)
DE (1) DE3932792A1 (fr)
WO (1) WO1991005408A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4075508A (en) * 1976-11-04 1978-02-21 Motorola, Inc. I2 L injector current source
JPS57193126A (en) * 1981-04-15 1982-11-27 Toko Inc Selecting circuit consisting of i2l element

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4075508A (en) * 1976-11-04 1978-02-21 Motorola, Inc. I2 L injector current source
JPS57193126A (en) * 1981-04-15 1982-11-27 Toko Inc Selecting circuit consisting of i2l element

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, Band 7, Nr. 40 (E-159) (1185), 17. Februar 1983 & JP, A, 57193126 (Toukou K.K.) 27. November 1982 siehe Zusammenfassung; figuren *

Also Published As

Publication number Publication date
AU6422290A (en) 1991-04-28
DE3932792A1 (de) 1991-04-11

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