DE3480614D1 - Digitalschaltung die eine arithmetische operation mit ueberlauf durchfuehrt. - Google Patents

Digitalschaltung die eine arithmetische operation mit ueberlauf durchfuehrt.

Info

Publication number
DE3480614D1
DE3480614D1 DE8484306025T DE3480614T DE3480614D1 DE 3480614 D1 DE3480614 D1 DE 3480614D1 DE 8484306025 T DE8484306025 T DE 8484306025T DE 3480614 T DE3480614 T DE 3480614T DE 3480614 D1 DE3480614 D1 DE 3480614D1
Authority
DE
Germany
Prior art keywords
overflow
digital circuit
arithmetic operation
circuit carrying
carrying
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 - Fee Related
Application number
DE8484306025T
Other languages
English (en)
Inventor
Kohji C O Nec Corporation Doi
Yuichi C O Nec Corpor Kawakami
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.)
NEC Corp
Original Assignee
NEC 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 NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of DE3480614D1 publication Critical patent/DE3480614D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G06F7/544—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 for evaluating functions by calculation
    • G06F7/5443—Sum of products
    • 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
    • G06F7/499—Denomination or exception handling, e.g. rounding or overflow
    • G06F7/49905—Exception handling
    • G06F7/4991—Overflow or underflow
DE8484306025T 1983-09-02 1984-09-03 Digitalschaltung die eine arithmetische operation mit ueberlauf durchfuehrt. Expired - Fee Related DE3480614D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58161418A JPS6054070A (ja) 1983-09-02 1983-09-02 演算装置

Publications (1)

Publication Number Publication Date
DE3480614D1 true DE3480614D1 (de) 1990-01-04

Family

ID=15734718

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484306025T Expired - Fee Related DE3480614D1 (de) 1983-09-02 1984-09-03 Digitalschaltung die eine arithmetische operation mit ueberlauf durchfuehrt.

Country Status (4)

Country Link
US (1) US4700324A (de)
EP (1) EP0136834B1 (de)
JP (1) JPS6054070A (de)
DE (1) DE3480614D1 (de)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6263370A (ja) * 1985-05-15 1987-03-20 Toshiba Corp 演算回路
CA1244955A (en) * 1985-05-17 1988-11-15 Yuichi Kawakami Processing circuit capable of raising throughput of accumulation
JPS6211933A (ja) * 1985-07-09 1987-01-20 Nec Corp 演算回路
FR2586312B1 (fr) * 1985-08-13 1989-07-28 Trt Telecom Radio Electr Dispositif d'autocorrelation
US4754412A (en) * 1985-10-07 1988-06-28 Schlumberger Systems & Services, Inc. Arithmetic logic system using the output of a first alu to control the operation of a second alu
JPS62168228A (ja) * 1986-01-21 1987-07-24 Nec Corp 浮動小数点積和演算器
JPS6347874A (ja) * 1986-08-16 1988-02-29 Nec Corp 算術演算装置
CA1252213A (en) * 1986-08-28 1989-04-04 Andrew G. Deczky Digital signal processor with divide function
JPS6386024A (ja) * 1986-09-30 1988-04-16 Toshiba Corp バレルシフタ
US4876660A (en) * 1987-03-20 1989-10-24 Bipolar Integrated Technology, Inc. Fixed-point multiplier-accumulator architecture
US4860239A (en) * 1987-08-12 1989-08-22 Unisys Corporation Correlator with variably normalized input signals
US4893267A (en) * 1988-11-01 1990-01-09 Motorola, Inc. Method and apparatus for a data processor to support multi-mode, multi-precision integer arithmetic
US5031135A (en) * 1989-05-19 1991-07-09 Hitachi Micro Systems, Inc. Device for multi-precision and block arithmetic support in digital processors
JPH0797313B2 (ja) * 1989-08-30 1995-10-18 株式会社東芝 計算機及びこの計算機に用いられる演算方法
DE3936334A1 (de) * 1989-10-30 1991-05-02 Siemens Ag Datentransfer-verfahren
US5231600A (en) * 1990-04-19 1993-07-27 Bull Hn Information Systems Inc. Overflow detector for anticipating producing invalid operands resulting from performing shift operations on such operands
US5272659A (en) * 1990-06-26 1993-12-21 Allied-Signal Inc. Engine control with fixed point digital overflow prevention
US5138570A (en) * 1990-09-20 1992-08-11 At&T Bell Laboratories Multiplier signed and unsigned overflow flags
JP2857292B2 (ja) * 1991-12-18 1999-02-17 ゼロックス コーポレイション ２次元デジタルフィルタを実現するための装置
JP3081710B2 (ja) * 1992-08-18 2000-08-28 株式会社東芝 オーバーフロー検出機能付き乗算装置
EP0593073A1 (de) * 1992-10-16 1994-04-20 Matsushita Electric Industrial Co., Ltd. Prozessor mit Schieberegistern
JPH06259227A (ja) 1993-03-08 1994-09-16 Sharp Corp 演算装置
FR2718866B1 (fr) * 1994-04-19 1996-05-15 Sgs Thomson Microelectronics Dispositif de calcul arithmétique et logique et procédé de commande.
US5751862A (en) * 1996-05-08 1998-05-12 Xerox Corporation Self-timed two-dimensional filter
US5835630A (en) * 1996-05-08 1998-11-10 Xerox Corporation Modular time-varying two-dimensional filter
US6037947A (en) * 1997-10-16 2000-03-14 Sun Microsystems, Inc. Graphics accelerator with shift count generation for handling potential fixed-point numeric overflows
US7110482B2 (en) 2000-12-29 2006-09-19 Lockheed Martin Corporation Method and apparatus for tracking invalid signals through a digital system
JP3497852B1 (ja) * 2002-06-06 2004-02-16 沖電気工業株式会社 演算方法および演算回路
JP3560596B2 (ja) * 2002-08-22 2004-09-02 沖電気工業株式会社 演算装置及びデータの読出方法
US7434991B2 (en) * 2002-12-12 2008-10-14 Covidien Ag Thermal tympanic thermometer
CA2509033C (en) 2002-12-12 2011-10-11 Sherwood Services Ag Thermal tympanic thermometer tip
US20040167954A1 (en) * 2003-02-21 2004-08-26 Infineon Technologies North America Corp. Overflow detection system for multiplication

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4282581A (en) * 1979-10-15 1981-08-04 Sperry Corporation Automatic overflow/imminent overflow detector
JPS5674774A (en) * 1979-11-22 1981-06-20 Nec Corp Arithmetic circuit with overflow detector
US4338675A (en) * 1980-02-13 1982-07-06 Intel Corporation Numeric data processor
US4467444A (en) * 1980-08-01 1984-08-21 Advanced Micro Devices, Inc. Processor unit for microcomputer systems
US4393468A (en) * 1981-03-26 1983-07-12 Advanced Micro Devices, Inc. Bit slice microprogrammable processor for signal processing applications
JPS605338A (ja) * 1983-06-22 1985-01-11 Matsushita Electric Ind Co Ltd 演算装置

Also Published As

Publication number Publication date
JPH0235348B2 (de) 1990-08-09
US4700324A (en) 1987-10-13
EP0136834A3 (en) 1986-07-09
JPS6054070A (ja) 1985-03-28
EP0136834A2 (de) 1985-04-10
EP0136834B1 (de) 1989-11-29

Similar Documents

Publication Publication Date Title
DE3480614D1 (de) Digitalschaltung die eine arithmetische operation mit ueberlauf durchfuehrt.
NL191912C (nl) Geïntegreerd circuit.
DE3481880D1 (de) Schaltkreis.
DE3484313D1 (de) Integrierte halbleiterschaltung.
DE3482014D1 (de) Integrierte halbleiterschaltungsanordnung mit verbindungsmaterial.
NO813438L (no) Digital syntetiseringskrets.
FI844574L (fi) Reservanordning foer en abonnentterminal i en digital koncentrator.
NO813437L (no) Digital linjekrets.
DE3484302D1 (de) Digitalcomputeranordnung.
DE3484534D1 (de) Vergleichsschaltung mit wenig transistoren.
NL193097B (nl) Omzetschakeling.
DE3482641D1 (de) Signalverarbeitungsschaltung.
FI842926A (fi) Signalbehandlingskrets.
FI78602B (fi) Sportsko avsedd saerskilt foer terraengskidning.
DE3785833D1 (de) Logikschaltung.
DE3483576D1 (de) Tor-schaltungsanordnung.
DE3482084D1 (de) Integrierte schaltung.
DE3485292D1 (de) Lade-entladekreis.
FI843115A0 (fi) Digital satellitcentral.
FR2484173B1 (fr) Circuit logique supraconducteur
DE3581159D1 (de) Halbleiteranordnung mit integrierter schaltung.
DE3485535D1 (de) Multiplizierschaltung.
FI841558A0 (fi) Kopplingsanordning.
DE3480895D1 (de) Signal-verarbeitungsschaltungen.
DE3751085D1 (de) Volladdiererschaltung.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee