IT1184275B - Circuito sommatore a propagazione di riporto atto a percepire differenzialmente un ingresso di riporto - Google Patents

Circuito sommatore a propagazione di riporto atto a percepire differenzialmente un ingresso di riporto

Info

Publication number
IT1184275B
IT1184275B IT47955/85A IT4795585A IT1184275B IT 1184275 B IT1184275 B IT 1184275B IT 47955/85 A IT47955/85 A IT 47955/85A IT 4795585 A IT4795585 A IT 4795585A IT 1184275 B IT1184275 B IT 1184275B
Authority
IT
Italy
Prior art keywords
reporting
propagation
entrance
summer circuit
differently
Prior art date
Application number
IT47955/85A
Other languages
English (en)
Other versions
IT8547955A0 (it
Inventor
Charles E Barker
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Publication of IT8547955A0 publication Critical patent/IT8547955A0/it
Application granted granted Critical
Publication of IT1184275B publication Critical patent/IT1184275B/it

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F7/503—Half or full adders, i.e. basic adder cells for one denomination using carry switching, i.e. the incoming carry being connected directly, or only via an inverter, to the carry output under control of a carry propagate signal
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2207/00—Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F2207/38—Indexing scheme relating to groups G06F7/38 - G06F7/575
    • G06F2207/3804—Details
    • G06F2207/386—Special constructional features
    • G06F2207/3872—Precharge of output to prevent leakage

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • Mathematical Optimization (AREA)
  • General Engineering & Computer Science (AREA)
  • Logic Circuits (AREA)
IT47955/85A 1984-04-26 1985-04-12 Circuito sommatore a propagazione di riporto atto a percepire differenzialmente un ingresso di riporto IT1184275B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/604,252 US4563751A (en) 1984-04-26 1984-04-26 Carry propagate adder circuit which differentially senses a carry input

Publications (2)

Publication Number Publication Date
IT8547955A0 IT8547955A0 (it) 1985-04-12
IT1184275B true IT1184275B (it) 1987-10-22

Family

ID=24418845

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47955/85A IT1184275B (it) 1984-04-26 1985-04-12 Circuito sommatore a propagazione di riporto atto a percepire differenzialmente un ingresso di riporto

Country Status (4)

Country Link
US (1) US4563751A (it)
EP (1) EP0178313A1 (it)
IT (1) IT1184275B (it)
WO (1) WO1985004965A1 (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60134932A (ja) * 1983-12-24 1985-07-18 Toshiba Corp プリチヤ−ジ型の桁上げ連鎖加算回路
EP0152939B1 (en) * 1984-02-20 1993-07-28 Hitachi, Ltd. Arithmetic operation unit and arithmetic operation circuit
US4718034A (en) * 1984-11-08 1988-01-05 Data General Corporation Carry-save propagate adder
US4758974A (en) * 1985-01-29 1988-07-19 American Telephone And Telegraph Company, At&T Bell Laboratories Most significant digit location
FR2596544B1 (fr) * 1986-03-28 1988-05-13 Radiotechnique Compelec Circuit arithmetique et logique
US4739503A (en) * 1986-04-21 1988-04-19 Rca Corporation Carry/borrow propagate adder/subtractor
GB2211966A (en) * 1987-11-02 1989-07-12 Philips Nv Digital integrated circuit
US4885716A (en) * 1988-08-15 1989-12-05 Dallas Semiconductor Corporation High speed carry chain
JP3110221B2 (ja) * 1993-10-04 2000-11-20 株式会社東芝 全加算器回路

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4052604A (en) * 1976-01-19 1977-10-04 Hewlett-Packard Company Binary adder
US4357675A (en) * 1980-08-04 1982-11-02 Bell Telephone Laboratories, Incorporated Ripple-carry generating circuit with carry regeneration
DE3035631A1 (de) * 1980-09-20 1982-05-06 Deutsche Itt Industries Gmbh, 7800 Freiburg Binaerer mos-paralleladdierer
US4439835A (en) * 1981-07-14 1984-03-27 Rockwell International Corporation Apparatus for and method of generation of ripple carry signals in conjunction with logical adding circuitry
US4425623A (en) * 1981-07-14 1984-01-10 Rockwell International Corporation Lookahead carry circuit apparatus
US4471454A (en) * 1981-10-27 1984-09-11 Ibm Corporation Fast, efficient, small adder

Also Published As

Publication number Publication date
EP0178313A1 (en) 1986-04-23
US4563751A (en) 1986-01-07
WO1985004965A1 (en) 1985-11-07
IT8547955A0 (it) 1985-04-12

Similar Documents

Publication Publication Date Title
ATA241382A (de) Bandkasette
AR231395A1 (es) Un dentifrico
DK152381A (da) Spilleautomat
DK484885D0 (da) Batteriautomat
IT8412418A0 (it) Dispositivo di pilotaggio automatico di un innesto
DK163757C (da) Spilleautomat
ES273317Y (es) Un cubo-rompecabezas
AT376057B (de) Kassettenadapter
IT1184275B (it) Circuito sommatore a propagazione di riporto atto a percepire differenzialmente un ingresso di riporto
FI810749L (fi) Anordning foer att goera ett haol och en detta omgivande flaens i sidan pao ett roer
DK424381A (da) Spilleautomat
FI811480L (fi) Anordning foer att korrugera roer
DK82386A (da) Undervandshaandteringssystem
IT1139699B (it) Connettori
FI823699L (fi) Elektronisk maetanordning
DK207882A (da) Spilleautomat
PT74894A (fr) Cassette
FI821182L (fi) Anordning foer att haolla sliden i dragkedjor
KR840007417U (ko) 조립식 주택의 조립 세트(Set)
FI64685B (fi) Foerfarande foer att lyfta vatten fraon grundvattenfoerekomst
DK249982A (da) Spilleautomat
FI820204L (fi) Anordning foer att goera ett ovalt haol i en roervaegg
DK478081A (da) Spilleautomat
ES259687Y (es) Un mini-invernadero
FI801785A7 (fi) Slitskoppling