GB935221A - Improvements in logical circuits - Google Patents

Improvements in logical circuits

Info

Publication number
GB935221A
GB935221A GB13459/61A GB1345961A GB935221A GB 935221 A GB935221 A GB 935221A GB 13459/61 A GB13459/61 A GB 13459/61A GB 1345961 A GB1345961 A GB 1345961A GB 935221 A GB935221 A GB 935221A
Authority
GB
United Kingdom
Prior art keywords
transistors
circuits
leads
signals
decoded
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
GB13459/61A
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 GB935221A publication Critical patent/GB935221A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G06F7/50—Adding; Subtracting
    • G06F7/501—Half or full adders, i.e. basic adder cells for one denomination
    • G06F7/502—Half adders; Full adders consisting of two cascaded half adders
    • 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
    • H03K19/0002—Multistate logic
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computing Systems (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Theoretical Computer Science (AREA)
  • Pure & Applied Mathematics (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Logic Circuits (AREA)
  • Electronic Switches (AREA)
GB13459/61A 1960-04-14 1961-04-14 Improvements in logical circuits Expired GB935221A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US22179A US2994852A (en) 1960-04-14 1960-04-14 Decoding circuit
US22289A US3099753A (en) 1960-04-14 1960-04-14 Three level logical circuits

Publications (1)

Publication Number Publication Date
GB935221A true GB935221A (en) 1963-08-28

Family

ID=26695626

Family Applications (1)

Application Number Title Priority Date Filing Date
GB13459/61A Expired GB935221A (en) 1960-04-14 1961-04-14 Improvements in logical circuits

Country Status (5)

Country Link
US (2) US3099753A (US07345094-20080318-C00003.png)
DE (1) DE1132968B (US07345094-20080318-C00003.png)
FR (2) FR1278866A (US07345094-20080318-C00003.png)
GB (1) GB935221A (US07345094-20080318-C00003.png)
NL (1) NL263602A (US07345094-20080318-C00003.png)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3210528A (en) * 1962-06-18 1965-10-05 Magill Binary coded ternary computer system
US3508033A (en) * 1967-01-17 1970-04-21 Rca Corp Counter circuits
US3628000A (en) * 1968-04-18 1971-12-14 Ibm Data handling devices for radix {37 n{30 2{38 {0 operation
US4494017A (en) * 1982-03-29 1985-01-15 International Business Machines Corporation Complementary decode circuit

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL195088A (US07345094-20080318-C00003.png) * 1954-02-26
GB789166A (en) * 1954-11-15 1958-01-15 Ncr Co Improvements in or relating to electronic arithmetic units
US3015734A (en) * 1956-10-18 1962-01-02 Navigation Computer Corp Transistor computer circuit
US2898479A (en) * 1957-06-28 1959-08-04 Hughes Aircraft Co Clock pulse circuit for transistor flip-flop
US2966305A (en) * 1957-08-16 1960-12-27 Ibm Simultaneous carry adder
US2870348A (en) * 1957-12-16 1959-01-20 Ibm System for selectively energizing one of three circuits responsive to variation of two conditions

Also Published As

Publication number Publication date
NL263602A (US07345094-20080318-C00003.png) 1964-05-25
DE1132968B (de) 1962-07-12
FR1278866A (fr) 1961-12-15
US2994852A (en) 1961-08-01
US3099753A (en) 1963-07-30
FR79583E (US07345094-20080318-C00003.png) 1963-03-29

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