GB2128432B - Improvements in or relating to a tri-state output circuit - Google Patents

Improvements in or relating to a tri-state output circuit

Info

Publication number
GB2128432B
GB2128432B GB08321748A GB8321748A GB2128432B GB 2128432 B GB2128432 B GB 2128432B GB 08321748 A GB08321748 A GB 08321748A GB 8321748 A GB8321748 A GB 8321748A GB 2128432 B GB2128432 B GB 2128432B
Authority
GB
United Kingdom
Prior art keywords
tri
relating
output circuit
state 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
GB08321748A
Other versions
GB8321748D0 (en
GB2128432A (en
Inventor
Sing Y Wong
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.)
Monolithic Memories Inc
Original Assignee
Monolithic Memories 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 Monolithic Memories Inc filed Critical Monolithic Memories Inc
Publication of GB8321748D0 publication Critical patent/GB8321748D0/en
Publication of GB2128432A publication Critical patent/GB2128432A/en
Application granted granted Critical
Publication of GB2128432B publication Critical patent/GB2128432B/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
    • H03K19/02—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

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Logic Circuits (AREA)
  • Electronic Switches (AREA)
GB08321748A 1982-09-28 1983-08-12 Improvements in or relating to a tri-state output circuit Expired GB2128432B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US42535282A 1982-09-28 1982-09-28

Publications (3)

Publication Number Publication Date
GB8321748D0 GB8321748D0 (en) 1983-09-14
GB2128432A GB2128432A (en) 1984-04-26
GB2128432B true GB2128432B (en) 1986-07-30

Family

ID=23686179

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08321748A Expired GB2128432B (en) 1982-09-28 1983-08-12 Improvements in or relating to a tri-state output circuit

Country Status (5)

Country Link
JP (1) JPS5980022A (en)
DE (1) DE3335133A1 (en)
FR (1) FR2533780B1 (en)
GB (1) GB2128432B (en)
NL (1) NL193012C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4683383A (en) * 1984-07-19 1987-07-28 Tandem Computers Incorporated Driver circuit for a three-state gate array using low driving current
US4801825A (en) * 1987-07-06 1989-01-31 Motorola, Inc. Three level state logic circuit having improved high voltage to high output impedance transition
US4849659A (en) * 1987-12-15 1989-07-18 North American Philips Corporation, Signetics Division Emitter-coupled logic circuit with three-state capability
JP2806623B2 (en) * 1990-11-06 1998-09-30 日本電気アイシーマイコンシステム株式会社 TTL output circuit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS582437B2 (en) * 1978-11-25 1983-01-17 富士通株式会社 Three-state output circuit
US4311927A (en) * 1979-07-18 1982-01-19 Fairchild Camera & Instrument Corp. Transistor logic tristate device with reduced output capacitance
JPS57129029A (en) * 1981-02-02 1982-08-10 Hitachi Ltd Three-state circuit
JPS57141129A (en) * 1981-02-26 1982-09-01 Toshiba Corp Semiconductor circuit

Also Published As

Publication number Publication date
NL8302933A (en) 1984-04-16
NL193012C (en) 1998-07-03
FR2533780B1 (en) 1989-11-03
GB8321748D0 (en) 1983-09-14
DE3335133A1 (en) 1984-03-29
GB2128432A (en) 1984-04-26
DE3335133C2 (en) 1993-01-14
JPS5980022A (en) 1984-05-09
NL193012B (en) 1998-03-02
FR2533780A1 (en) 1984-03-30

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years