GB2111781B - Improvements in or relating to tristate logic circuits - Google Patents

Improvements in or relating to tristate logic circuits

Info

Publication number
GB2111781B
GB2111781B GB08235109A GB8235109A GB2111781B GB 2111781 B GB2111781 B GB 2111781B GB 08235109 A GB08235109 A GB 08235109A GB 8235109 A GB8235109 A GB 8235109A GB 2111781 B GB2111781 B GB 2111781B
Authority
GB
United Kingdom
Prior art keywords
relating
logic circuits
tristate logic
tristate
circuits
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
GB08235109A
Other languages
English (en)
Other versions
GB2111781A (en
Inventor
Edward William Kirk
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of GB2111781A publication Critical patent/GB2111781A/en
Application granted granted Critical
Publication of GB2111781B publication Critical patent/GB2111781B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/01—Shaping pulses
    • H03K5/02—Shaping pulses by amplifying
    • 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
    • H03K19/0823—Multistate logic
    • H03K19/0826—Multistate logic one of the states being the high impedance or floating state

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Power Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Logic Circuits (AREA)
  • Electronic Switches (AREA)
  • Control Of El Displays (AREA)
GB08235109A 1981-12-30 1982-12-09 Improvements in or relating to tristate logic circuits Expired GB2111781B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/335,624 US4430585A (en) 1981-12-30 1981-12-30 Tristate transistor logic circuit with reduced power dissipation

Publications (2)

Publication Number Publication Date
GB2111781A GB2111781A (en) 1983-07-06
GB2111781B true GB2111781B (en) 1985-02-27

Family

ID=23312569

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08235109A Expired GB2111781B (en) 1981-12-30 1982-12-09 Improvements in or relating to tristate logic circuits

Country Status (8)

Country Link
US (1) US4430585A (enExample)
JP (1) JPS58117731A (enExample)
CA (1) CA1196698A (enExample)
DE (1) DE3248133A1 (enExample)
FR (1) FR2519212A1 (enExample)
GB (1) GB2111781B (enExample)
IT (1) IT1153940B (enExample)
NL (1) NL8205034A (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4486674A (en) * 1983-07-05 1984-12-04 Motorola, Inc. Three state gate having enhanced transition to an active low
US4585959A (en) * 1983-12-29 1986-04-29 Motorola, Inc. Tri-state logic gate having reduced Miller capacitance
JPS60254823A (ja) * 1984-05-30 1985-12-16 Mitsubishi Electric Corp 半導体集積回路装置
US4704548A (en) * 1985-01-31 1987-11-03 Texas Instruments Incorporated High to low transition speed up circuit for TTL-type gates
US4672242A (en) * 1986-03-06 1987-06-09 Advanced Micro Devices, Inc. Reduced power/temperature controlled TTL tri-state buffer utilizing three phase splitter transistors
US4771284A (en) * 1986-08-13 1988-09-13 International Business Machines Corporation Logic array with programmable element output generation
JPH0666681B2 (ja) * 1987-08-05 1994-08-24 株式会社東芝 論理回路
KR920018591A (ko) * 1991-03-13 1992-10-22 제임스 에이취. 폭스 저파워 버스를 구비한 마이크로프로세서
US5184029A (en) * 1991-10-15 1993-02-02 Hewlett-Packard Company Driver circuit for circuit tester
US6622854B2 (en) * 1998-06-08 2003-09-23 Stevedoring Services Of America, Inc. Method and apparatus for loading stacks of cartons of frozen animal products onto vessels using a carrier

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5330212Y2 (enExample) 1972-09-22 1978-07-28
US4194132A (en) 1978-05-30 1980-03-18 National Semiconductor Corporation Tristate logic buffer circuit with reduced power consumption
US4255670A (en) * 1979-01-24 1981-03-10 Fairchild Camera And Instrument Corp. Transistor logic tristate output with feedback
US4287433A (en) 1979-01-24 1981-09-01 Fairchild Camera & Instrument Corp. Transistor logic tristate output with reduced power dissipation
US4339675A (en) 1979-08-13 1982-07-13 Texas Instruments Incorporated Logic circuit having an improved disable circuit

Also Published As

Publication number Publication date
CA1196698A (en) 1985-11-12
FR2519212A1 (fr) 1983-07-01
IT1153940B (it) 1987-01-21
IT8225034A0 (it) 1982-12-29
NL8205034A (nl) 1983-07-18
GB2111781A (en) 1983-07-06
FR2519212B1 (enExample) 1985-05-10
DE3248133A1 (de) 1983-07-07
JPS58117731A (ja) 1983-07-13
IT8225034A1 (it) 1984-06-29
US4430585A (en) 1984-02-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee