GB1429847A - Logic circuit - Google Patents

Logic circuit

Info

Publication number
GB1429847A
GB1429847A GB2731073A GB2731073A GB1429847A GB 1429847 A GB1429847 A GB 1429847A GB 2731073 A GB2731073 A GB 2731073A GB 2731073 A GB2731073 A GB 2731073A GB 1429847 A GB1429847 A GB 1429847A
Authority
GB
United Kingdom
Prior art keywords
logic
bipolar transistor
logic circuit
impedance
stages
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
GB2731073A
Other languages
English (en)
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 Business Machines Corp filed Critical International Business Machines Corp
Publication of GB1429847A publication Critical patent/GB1429847A/en
Expired 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
    • H03K19/01—Modifications for accelerating switching
    • H03K19/013—Modifications for accelerating switching in bipolar transistor circuits
    • 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
    • H03K19/0175—Coupling arrangements; Interface arrangements
    • H03K19/018—Coupling arrangements; Interface arrangements using bipolar transistors only
    • H03K19/01806—Interface arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Logic Circuits (AREA)
  • Electronic Switches (AREA)
GB2731073A 1972-06-27 1973-06-08 Logic circuit Expired GB1429847A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US26684772A 1972-06-27 1972-06-27

Publications (1)

Publication Number Publication Date
GB1429847A true GB1429847A (en) 1976-03-31

Family

ID=23016227

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2731073A Expired GB1429847A (en) 1972-06-27 1973-06-08 Logic circuit

Country Status (7)

Country Link
US (1) US3769524A (https=)
JP (1) JPS5218088B2 (https=)
CA (1) CA997430A (https=)
DE (1) DE2331441A1 (https=)
FR (1) FR2191364B1 (https=)
GB (1) GB1429847A (https=)
IT (1) IT983947B (https=)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3970866A (en) * 1974-08-13 1976-07-20 Honeywell Inc. Logic gate circuits
US3962590A (en) * 1974-08-14 1976-06-08 Bell Telephone Laboratories, Incorporated TTL compatible logic gate circuit
US4112314A (en) * 1977-08-26 1978-09-05 International Business Machines Corporation Logical current switch
US4129790A (en) * 1977-12-21 1978-12-12 International Business Machines Corporation High density integrated logic circuit
JPS5639632A (en) * 1979-09-07 1981-04-15 Fujitsu Ltd Multiple input logic circuit
JPS56131233A (en) * 1980-03-18 1981-10-14 Hitachi Ltd Logic circuit
US4529894A (en) * 1981-06-15 1985-07-16 Ibm Corporation Means for enhancing logic circuit performance
US4677312A (en) * 1986-04-25 1987-06-30 International Business Machines Corporation High voltage swing open collector driver
CA1296395C (en) * 1988-05-23 1992-02-25 Gene Joseph Gaudenzi Current source technology
US6008687A (en) * 1988-08-29 1999-12-28 Hitachi, Ltd. Switching circuit and display device using the same

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1081049B (de) * 1957-11-14 1960-05-05 Westinghouse Electric Corp Sperrgatter bzw. logisches íÀUnd-NichtíÂ-Element unter Verwendung von Transistoren
US2997577A (en) * 1960-01-04 1961-08-22 Bell Telephone Labor Inc Synchronous carrier production
US3200343A (en) * 1961-12-29 1965-08-10 Leeds & Northrup Co D.c. amplifier having fast recovery characteristics
US3287577A (en) * 1964-08-20 1966-11-22 Westinghouse Electric Corp Low dissipation logic gates
US3450896A (en) * 1964-11-21 1969-06-17 Hitachi Ltd Transistor switching circuit having compensating circuit
US3463975A (en) * 1964-12-31 1969-08-26 Texas Instruments Inc Unitary semiconductor high speed switching device utilizing a barrier diode
US3406296A (en) * 1965-04-27 1968-10-15 Bell Telephone Labor Inc Direct coupled transistor logic circuit including individual base biasing networks
GB1121402A (en) * 1966-06-06 1968-07-24 M E L Equipment Co Ltd Improvements relating to logic circuit arrangements
US3528017A (en) * 1968-04-09 1970-09-08 Us Navy Plural-input,dropout-insensitive skewmeasuring circuit for magnetic recording tape
US3591855A (en) * 1969-04-17 1971-07-06 Rca Corp Complementary field-effect transistor buffer circuit
US3654490A (en) * 1970-06-17 1972-04-04 Signetics Corp Gate circuit with ttl input and complimentary outputs
US3699362A (en) * 1971-05-27 1972-10-17 Ibm Transistor logic circuit

Also Published As

Publication number Publication date
CA997430A (en) 1976-09-21
FR2191364A1 (https=) 1974-02-01
JPS4952566A (https=) 1974-05-22
FR2191364B1 (https=) 1975-08-22
DE2331441A1 (de) 1974-01-17
IT983947B (it) 1974-11-11
JPS5218088B2 (https=) 1977-05-19
US3769524A (en) 1973-10-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee