GB1388162A - Logic circuit - Google Patents

Logic circuit

Info

Publication number
GB1388162A
GB1388162A GB3683172*A GB3683172A GB1388162A GB 1388162 A GB1388162 A GB 1388162A GB 3683172 A GB3683172 A GB 3683172A GB 1388162 A GB1388162 A GB 1388162A
Authority
GB
United Kingdom
Prior art keywords
logic circuit
input signal
higher level
lower level
resistor
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
GB3683172*A
Other languages
English (en)
Inventor
Constatine Spyridon Ananiades
Herbert Stopper
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.)
Unisys Corp
Original Assignee
Burroughs 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 Burroughs Corp filed Critical Burroughs Corp
Publication of GB1388162A publication Critical patent/GB1388162A/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
    • H03K19/086—Emitter coupled logic
    • H03K19/0863—Emitter function logic [EFL]; Base coupled logic [BCL]
    • 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
    • H03K19/088—Transistor-transistor logic

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)
  • Amplifiers (AREA)
GB3683172*A 1971-04-05 1972-03-22 Logic circuit Expired GB1388162A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13107071A 1971-04-05 1971-04-05
US15999071A 1971-07-06 1971-07-06

Publications (1)

Publication Number Publication Date
GB1388162A true GB1388162A (en) 1975-03-26

Family

ID=26829105

Family Applications (2)

Application Number Title Priority Date Filing Date
GB3683172*A Expired GB1388162A (en) 1971-04-05 1972-03-22 Logic circuit
GB1336572A Expired GB1388161A (en) 1971-04-05 1972-03-22 Logic circuit

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB1336572A Expired GB1388161A (en) 1971-04-05 1972-03-22 Logic circuit

Country Status (12)

Country Link
JP (1) JPS5759691B1 (xx)
BE (1) BE778654A (xx)
CH (1) CH570079A5 (xx)
CS (1) CS182220B2 (xx)
DD (1) DD98804A5 (xx)
DE (1) DE2215900C2 (xx)
FR (1) FR2187189A5 (xx)
GB (2) GB1388162A (xx)
IL (1) IL38874A (xx)
IT (1) IT950679B (xx)
NL (1) NL176513C (xx)
YU (1) YU35826B (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3999080A (en) * 1974-12-23 1976-12-21 Texas Instruments Inc. Transistor coupled logic circuit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3508076A (en) * 1967-04-26 1970-04-21 Rca Corp Logic circuitry
DE1918873B2 (de) * 1969-04-14 1972-07-27 Siemens AG, 1000 Berlin u. 8000 München Ecl-schaltkreis zur realisierung der und-verknuepfung

Also Published As

Publication number Publication date
GB1388161A (en) 1975-03-26
NL7203801A (xx) 1972-10-09
IL38874A0 (en) 1972-05-30
FR2187189A5 (xx) 1974-01-11
NL176513C (nl) 1985-04-16
JPS5759691B1 (xx) 1982-12-16
IT950679B (it) 1973-06-20
DE2215900C2 (de) 1983-06-09
YU35826B (en) 1981-06-30
CS182220B2 (en) 1978-04-28
IL38874A (en) 1974-09-10
BE778654A (fr) 1972-05-16
YU82172A (en) 1980-12-31
CH570079A5 (xx) 1975-11-28
DD98804A5 (xx) 1973-07-05
DE2215900A1 (de) 1972-10-26

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee