ES2004148A6 - Un contador terminal de preanalisis - Google Patents

Un contador terminal de preanalisis

Info

Publication number
ES2004148A6
ES2004148A6 ES8701735A ES8701735A ES2004148A6 ES 2004148 A6 ES2004148 A6 ES 2004148A6 ES 8701735 A ES8701735 A ES 8701735A ES 8701735 A ES8701735 A ES 8701735A ES 2004148 A6 ES2004148 A6 ES 2004148A6
Authority
ES
Spain
Prior art keywords
counter
terminal
terminal count
output signal
generating
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
ES8701735A
Other languages
English (en)
Inventor
George D Underwood
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.)
Raytheon Co
Original Assignee
Hughes Aircraft Co
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 Hughes Aircraft Co filed Critical Hughes Aircraft Co
Publication of ES2004148A6 publication Critical patent/ES2004148A6/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K21/00—Details of pulse counters or frequency dividers
    • H03K21/40—Monitoring; Error detection; Preventing or correcting improper counter operation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28—Testing of electronic circuits, e.g. by signal tracer
    • G01R31/317—Testing of digital circuits
    • G01R31/3181—Functional testing
    • G01R31/3185—Reconfiguring for testing, e.g. LSSD, partitioning
    • G01R31/318522—Test of Sequential circuits
    • G01R31/318527—Test of counters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K21/00—Details of pulse counters or frequency dividers
    • H03K21/38—Starting, stopping or resetting the counter

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Tests Of Electronic Circuits (AREA)
  • Electric Clocks (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Communication Control (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
  • Control Of Transmission Device (AREA)

Abstract

SE DESCRIBEN UN CONTADOR TERMINAL DE PREANALISIS Y UN METODO PARA GENERAR UNA SEÑAL DE SALIDA DE COMPUTO TERMINAL. EL CONTADOR COMPRENDE UNA PLURALIDAD DE REGISTRADORES DE CONTADOR CONECTADOS A CIRCUITERIA DE HABILITACION DE CONTADOR PARA HACER FUNCIONAR EN SECUENCIA LOS REGISTRADORES A UNA FRECUENCIA DE CONTADOR PREDETERMINADA. UNA CIRCUITERIA DE HABILITACION DE COMPUTO TERMINAL ESTA CONECTADA A LA CIRCUITERIA DE CONTADOR, POR EJEMPLO, EN LAS PUERTAS DE ENTRADA DE LOS REGISTRADORES DE CONTADOR, Y ES OPERATIVA PARA GENERAR UNA SEÑAL DE HABILITACION DE COMPUTO TERMINAL CUANDO DICHAS PUERTAS DE ENTRADA TIENEN UN ESTADO PREDETERMINADO. LA SEÑAL DE HABILITACION DE COMPUTO TERMINAL Y LA SEÑAL DE RELOJ SE COMUNICAN A UN REGISTRADOR DE SALIDA QUE FUNCIONA PARA GENERAR UNA SEÑAL DE SALIDA DE COMPUTO TERMINAL CUANDO SE RECIBE UNA SEÑAL DE RELOJ DURANTE LA PRESENCIA SIMULTANEA DE LA SEÑAL DE HABILITACION DE COMPUTO TERMINAL.
ES8701735A 1986-06-18 1987-06-12 Un contador terminal de preanalisis Expired ES2004148A6 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/875,894 US4761801A (en) 1986-06-18 1986-06-18 Look ahead terminal counter

Publications (1)

Publication Number Publication Date
ES2004148A6 true ES2004148A6 (es) 1988-12-01

Family

ID=25366560

Family Applications (1)

Application Number Title Priority Date Filing Date
ES8701735A Expired ES2004148A6 (es) 1986-06-18 1987-06-12 Un contador terminal de preanalisis

Country Status (14)

Country Link
US (1) US4761801A (es)
EP (1) EP0269716B1 (es)
JP (1) JPS63503588A (es)
KR (1) KR900008804B1 (es)
AU (1) AU597085B2 (es)
CA (1) CA1279108C (es)
DE (1) DE3785914T2 (es)
DK (1) DK79388A (es)
EG (1) EG18166A (es)
ES (1) ES2004148A6 (es)
GR (1) GR870809B (es)
IL (1) IL82560A0 (es)
NO (1) NO880631D0 (es)
WO (1) WO1987007992A1 (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0286744A1 (en) * 1987-04-14 1988-10-19 Hewlett-Packard Limited Detection of digital signal error rates
JP2695535B2 (ja) * 1991-04-18 1997-12-24 三菱電機株式会社 タイマ入力制御回路及びカウンタ制御回路
US5943386A (en) * 1995-05-24 1999-08-24 Hughes Electronics High-speed synchronous counter circuitry
US6449329B1 (en) * 2000-09-14 2002-09-10 Qualcomm Incorporated Dual-edge M/N:D counter
US6574130B2 (en) 2001-07-25 2003-06-03 Nantero, Inc. Hybrid circuit having nanotube electromechanical memory
US6706402B2 (en) 2001-07-25 2004-03-16 Nantero, Inc. Nanotube films and articles
US6643165B2 (en) 2001-07-25 2003-11-04 Nantero, Inc. Electromechanical memory having cell selection circuitry constructed with nanotube technology
US6784028B2 (en) 2001-12-28 2004-08-31 Nantero, Inc. Methods of making electromechanical three-trace junction devices

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2566085A (en) * 1949-02-26 1951-08-28 Rca Corp Electronic interval timing method and system
US3548319A (en) * 1968-07-29 1970-12-15 Westinghouse Electric Corp Synchronous digital counter
US3609311A (en) * 1969-05-26 1971-09-28 Centaur Mini Computer Devices Coincident counting system
US3745315A (en) * 1969-09-26 1973-07-10 Bell Telephone Labor Inc Ripple-through counters having minimum output propagation delay times
US3761695A (en) * 1972-10-16 1973-09-25 Ibm Method of level sensitive testing a functional logic system
US4002926A (en) * 1975-10-02 1977-01-11 Hughes Aircraft Company High speed divide-by-N circuit
US4092522A (en) * 1977-01-03 1978-05-30 Honeywell Information Systems Inc. 5-Bit counter/shift register utilizing current mode logic
JPS57186836A (en) * 1981-05-14 1982-11-17 Nec Corp Counting circuit
US4596027A (en) * 1982-08-25 1986-06-17 Gte Products Corporation Counter/divider apparatus
US4493077A (en) * 1982-09-09 1985-01-08 At&T Laboratories Scan testable integrated circuit
JPS59115621A (ja) * 1982-12-22 1984-07-04 Toshiba Corp 論理回路
JPS59161131A (ja) * 1983-03-04 1984-09-11 Nec Corp 分周方式
DE3312687A1 (de) * 1983-04-08 1984-10-18 Siemens AG, 1000 Berlin und 8000 München Einrichtung zur pruefung von elektrische schaltkreise enthaltenden prueflingen
JPS609221A (ja) * 1983-06-28 1985-01-18 Sharp Corp テスト機能付分周回路
EP0146661B1 (fr) * 1983-12-28 1988-03-02 International Business Machines Corporation Procédé de diagnostic électrique pour identifier une cellule défectueuse dans une chaîne de cellules formant un registre à décalage
US4621201A (en) * 1984-03-30 1986-11-04 Trilogy Systems Corporation Integrated circuit redundancy and method for achieving high-yield production
JPS6154713A (ja) * 1984-08-27 1986-03-19 Matsushita Electric Ind Co Ltd ゲ−トアレイ装置
JPS61133727A (ja) * 1984-12-04 1986-06-21 Fujitsu Ltd カウンタ故障分離回路
US4745630A (en) * 1986-06-18 1988-05-17 Hughes Aircraft Company Multi-mode counter network

Also Published As

Publication number Publication date
EG18166A (en) 1992-08-30
DE3785914T2 (de) 1993-08-26
KR880701495A (ko) 1988-07-27
EP0269716B1 (en) 1993-05-19
IL82560A0 (en) 1987-11-30
NO880631L (no) 1988-02-12
KR900008804B1 (ko) 1990-11-29
US4761801A (en) 1988-08-02
AU7547187A (en) 1988-01-12
NO880631D0 (no) 1988-02-12
GR870809B (en) 1987-07-20
DK79388D0 (da) 1988-02-16
DE3785914D1 (de) 1993-06-24
DK79388A (da) 1988-02-16
WO1987007992A1 (en) 1987-12-30
JPS63503588A (ja) 1988-12-22
EP0269716A1 (en) 1988-06-08
AU597085B2 (en) 1990-05-24
CA1279108C (en) 1991-01-15

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19980401