CA1013860A - Low power electronic calculator system - Google Patents

Low power electronic calculator system

Info

Publication number
CA1013860A
CA1013860A CA187,296A CA187296A CA1013860A CA 1013860 A CA1013860 A CA 1013860A CA 187296 A CA187296 A CA 187296A CA 1013860 A CA1013860 A CA 1013860A
Authority
CA
Canada
Prior art keywords
low power
power electronic
electronic calculator
calculator system
low
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
CA187,296A
Inventor
John D. Bryant
Glenn A. Hartsell
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.)
Texas Instruments Inc
Original Assignee
Texas Instruments 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 Texas Instruments Inc filed Critical Texas Instruments Inc
Application granted granted Critical
Publication of CA1013860A publication Critical patent/CA1013860A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C17/00—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards
    • G11C17/08—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards using semiconductor devices, e.g. bipolar elements
    • G11C17/10—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards using semiconductor devices, e.g. bipolar elements in which contents are determined during manufacturing by a predetermined arrangement of coupling elements, e.g. mask-programmable ROM
    • G11C17/12—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards using semiconductor devices, e.g. bipolar elements in which contents are determined during manufacturing by a predetermined arrangement of coupling elements, e.g. mask-programmable ROM using field-effect devices
    • G11C17/126—Virtual ground arrays
    • 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
    • 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
    • G01R31/31721—Power aspects, e.g. power supplies for test circuits, power saving during test
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general
    • G06F15/02—Digital computers in general; Data processing equipment in general manually operated with input through keyboard and computation using a built-in program, e.g. pocket calculators

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • Computer Hardware Design (AREA)
  • Test And Diagnosis Of Digital Computers (AREA)
CA187,296A 1973-09-24 1973-12-04 Low power electronic calculator system Expired CA1013860A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US400299A US3921142A (en) 1973-09-24 1973-09-24 Electronic calculator chip having test input and output

Publications (1)

Publication Number Publication Date
CA1013860A true CA1013860A (en) 1977-07-12

Family

ID=23583037

Family Applications (1)

Application Number Title Priority Date Filing Date
CA187,296A Expired CA1013860A (en) 1973-09-24 1973-12-04 Low power electronic calculator system

Country Status (2)

Country Link
US (1) US3921142A (en)
CA (1) CA1013860A (en)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4074355A (en) * 1976-08-16 1978-02-14 Texas Instruments Incorporated Digital microprocessor system with shared decode
US4190897A (en) * 1977-04-01 1980-02-26 Texas Instruments Incorporated Binary coded decimal addressed Read-Only-Memory
US4194241A (en) * 1977-07-08 1980-03-18 Xerox Corporation Bit manipulation circuitry in a microprocessor
US4195352A (en) * 1977-07-08 1980-03-25 Xerox Corporation Split programmable logic array
US4128873A (en) * 1977-09-20 1978-12-05 Burroughs Corporation Structure for an easily testable single chip calculator/controller
US4175286A (en) * 1978-01-19 1979-11-20 Texas Instruments Incorporated Burn-in test system for electronic apparatus
DE3177267D1 (en) 1980-11-24 1992-01-23 Texas Instruments Inc PSEUDO MICROPROGRAM CONTROL IN A MICROPROCESSOR WITH COMPRESSED CONTROL FIXED VALUE STORAGE AND WITH TAPE ORGANIZED RAILS, ALU AND REGISTERS.
JPS58105366A (en) * 1981-12-16 1983-06-23 Fujitsu Ltd Microcomputer having debug function
US4577282A (en) * 1982-02-22 1986-03-18 Texas Instruments Incorporated Microcomputer system for digital signal processing
EP0392133B1 (en) 1982-02-11 1997-10-08 Texas Instruments Incorporated High-speed multiplier for a microcomputer used in a digital signal processing system
US5854907A (en) * 1982-02-22 1998-12-29 Texas Instruments Incorporated Microcomputer for digital signal processing having on-chip memory and external memory access
JPS59195755A (en) * 1983-04-20 1984-11-06 Casio Comput Co Ltd Small-sized electronic computer provided with solar battery
US4608669A (en) * 1984-05-18 1986-08-26 International Business Machines Corporation Self contained array timing
US4679194A (en) * 1984-10-01 1987-07-07 Motorola, Inc. Load double test instruction
US4831538A (en) * 1986-12-08 1989-05-16 Aviation Supplies And Academics Hand-held navigation and flight performance computer
US4964033A (en) * 1989-01-03 1990-10-16 Honeywell Inc. Microprocessor controlled interconnection apparatus for very high speed integrated circuits
JPH0719215B2 (en) * 1989-06-01 1995-03-06 三菱電機株式会社 Microprocessor
US5210864A (en) * 1989-06-01 1993-05-11 Mitsubishi Denki Kabushiki Kaisha Pipelined microprocessor with instruction execution control unit which receives instructions from separate path in test mode for testing instruction execution pipeline
JPH06105432B2 (en) * 1989-06-01 1994-12-21 三菱電機株式会社 Microprocessor
US5251228A (en) * 1989-12-05 1993-10-05 Vlsi Technology, Inc. Reliability qualification vehicle for application specific integrated circuits
JP2619112B2 (en) * 1990-05-16 1997-06-11 株式会社東芝 Test facilitation circuit for information processing equipment
US5828896A (en) * 1994-07-08 1998-10-27 Texas Instruments Incorporated Microcomputer system for digital signal processing
US20030061545A1 (en) * 1994-09-30 2003-03-27 Chandrashekhar S. Patwardhan Method and apparatus for providing test mode access to an instruction cache and microcode rom
KR100322525B1 (en) * 1998-03-23 2002-06-22 윤종용 Parallel bit test circuit for sharing output driver and method for testing parallel bits by using the same
US7028067B2 (en) * 2002-02-20 2006-04-11 International Business Machines Corporation Generation of mask-constrained floating-point addition and subtraction test cases, and method and system therefor
US20060183090A1 (en) * 2005-02-15 2006-08-17 Nollan Theordore G System and method for computerized training of English with a predefined set of syllables

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3427443A (en) * 1965-04-08 1969-02-11 Ibm Instruction execution marker for testing computer programs
US3575589A (en) * 1968-11-20 1971-04-20 Honeywell Inc Error recovery apparatus and method
US3602894A (en) * 1969-06-23 1971-08-31 Ibm Program change control system
US3593313A (en) * 1969-12-15 1971-07-13 Computer Design Corp Calculator apparatus
US3693162A (en) * 1970-10-14 1972-09-19 Hewlett Packard Co Subroutine call and return means for an electronic calculator

Also Published As

Publication number Publication date
US3921142A (en) 1975-11-18

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