ZA739464B - Low power electronic calculator system - Google Patents

Low power electronic calculator system

Info

Publication number
ZA739464B
ZA739464B ZA739464A ZA739464A ZA739464B ZA 739464 B ZA739464 B ZA 739464B ZA 739464 A ZA739464 A ZA 739464A ZA 739464 A ZA739464 A ZA 739464A ZA 739464 B ZA739464 B ZA 739464B
Authority
ZA
South Africa
Prior art keywords
low power
power electronic
electronic calculator
calculator system
low
Prior art date
Application number
ZA739464A
Other languages
English (en)
Inventor
J Bryant
J Vandierendonck
G Rogers
C Brixey
R Fisher
G Hartsell
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
Publication of ZA739464B publication Critical patent/ZA739464B/xx

Links

Classifications

    • 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
    • G01R31/319—Tester hardware, i.e. output processing circuits
    • G01R31/31917—Stimuli generation or application of test patterns to the device under test [DUT]
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • Computer Hardware Design (AREA)
  • Test And Diagnosis Of Digital Computers (AREA)
  • Microcomputers (AREA)
  • Dram (AREA)
  • Tests Of Electronic Circuits (AREA)
ZA739464A 1973-09-24 1973-12-13 Low power electronic calculator system ZA739464B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US400473A US3892957A (en) 1973-09-24 1973-09-24 Digit mask logic combined with sequentially addressed memory in electronic calculator chip

Publications (1)

Publication Number Publication Date
ZA739464B true ZA739464B (en) 1974-11-27

Family

ID=23583765

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA739464A ZA739464B (en) 1973-09-24 1973-12-13 Low power electronic calculator system

Country Status (5)

Country Link
US (1) US3892957A (xx)
JP (1) JPS5832423B2 (xx)
BR (1) BR7310257D0 (xx)
CA (1) CA1013477A (xx)
ZA (1) ZA739464B (xx)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4200926A (en) * 1972-05-22 1980-04-29 Texas Instruments Incorporated Electronic calculator implemented in semiconductor LSI chips with scanned keyboard and display
US4020467A (en) * 1973-09-28 1977-04-26 Sharp Kabushiki Kaisha Miniaturized key entry and translation circuitry arrangement for a data processing unit
US4292624A (en) * 1974-10-25 1981-09-29 Serp William K International Morse Code number generator
GB1505535A (en) * 1974-10-30 1978-03-30 Motorola Inc Microprocessor system
US4021781A (en) * 1974-11-19 1977-05-03 Texas Instruments Incorporated Virtual ground read-only-memory for electronic calculator or digital processor
US3988717A (en) * 1975-08-06 1976-10-26 Litton Systems, Inc. General purpose computer or logic chip and system
JPS5222433A (en) * 1975-08-13 1977-02-19 Sharp Corp Display unit
US4012722A (en) * 1975-09-20 1977-03-15 Burroughs Corporation High speed modular mask generator
GB1540923A (en) * 1975-12-01 1979-02-21 Intel Corp Programmable single chip mos computer
US4306163A (en) * 1975-12-01 1981-12-15 Intel Corporation Programmable single chip MOS computer
US4179746A (en) * 1976-07-19 1979-12-18 Texas Instruments Incorporated Digital processor system with conditional carry and status function in arithmetic unit
US4258429A (en) * 1976-08-09 1981-03-24 Texas Instruments Incorporated Multiphase clocking for MOS electronic calculator or digital processor chip
US4144561A (en) * 1977-07-08 1979-03-13 Xerox Corporation Chip topography for MOS integrated circuitry microprocessor chip
US4171539A (en) * 1977-12-19 1979-10-16 The Bendix Corporation Power strobed digital computer system
US4314353A (en) * 1978-03-09 1982-02-02 Motorola Inc. On chip ram interconnect to MPU bus
US4354228A (en) * 1979-12-20 1982-10-12 International Business Machines Corporation Flexible processor on a single semiconductor substrate using a plurality of arrays
US4335710A (en) * 1980-01-16 1982-06-22 Omnitronics Research Corporation Device for the induction of specific brain wave patterns
US4433378A (en) * 1981-09-28 1984-02-21 Western Digital Chip topography for MOS packet network interface circuit
US5165086A (en) * 1985-02-20 1992-11-17 Hitachi, Ltd. Microprocessor chip using two-level metal lines technology
JPS61277017A (ja) * 1985-05-31 1986-12-08 Nogyo Kikaika Kenkyusho 流量測定方法
JP2583525B2 (ja) * 1987-09-30 1997-02-19 健 坂村 データ処理装置
JPH039219A (ja) * 1989-06-05 1991-01-17 Sinto Brator Co Ltd スチールショット材の流量計測法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3760171A (en) * 1971-01-12 1973-09-18 Wang Laboratories Programmable calculators having display means and multiple memories

Also Published As

Publication number Publication date
US3892957A (en) 1975-07-01
CA1013477A (en) 1977-07-05
BR7310257D0 (pt) 1974-11-12
JPS5832423B2 (ja) 1983-07-13
JPS56162159A (en) 1981-12-12

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