FR2292286B1 - - Google Patents

Info

Publication number
FR2292286B1
FR2292286B1 FR7535355A FR7535355A FR2292286B1 FR 2292286 B1 FR2292286 B1 FR 2292286B1 FR 7535355 A FR7535355 A FR 7535355A FR 7535355 A FR7535355 A FR 7535355A FR 2292286 B1 FR2292286 B1 FR 2292286B1
Authority
FR
France
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
FR7535355A
Other languages
French (fr)
Other versions
FR2292286A1 (en
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
Priority claimed from US05/525,245 external-priority patent/US3955181A/en
Priority claimed from US05/525,250 external-priority patent/US3988604A/en
Priority claimed from US05/525,237 external-priority patent/US3989939A/en
Priority claimed from US05/525,236 external-priority patent/US3991305A/en
Priority claimed from US05/525,247 external-priority patent/US4021656A/en
Priority claimed from US05/525,238 external-priority patent/US4021781A/en
Application filed by Texas Instruments Inc filed Critical Texas Instruments Inc
Publication of FR2292286A1 publication Critical patent/FR2292286A1/en
Application granted granted Critical
Publication of FR2292286B1 publication Critical patent/FR2292286B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
    • G11C11/34—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
    • G11C11/40—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
    • G11C11/401—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells
    • G11C11/402—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells with charge regeneration individual to each memory cell, i.e. internal refresh
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/04—Generating or distributing clock signals or signals derived directly therefrom
    • G06F1/06—Clock generators producing several clock signals
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computing Systems (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Calculators And Similar Devices (AREA)
  • Dram (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Digital Computer Display Output (AREA)
  • Tests Of Electronic Circuits (AREA)
  • Logic Circuits (AREA)
FR7535355A 1974-11-19 1975-11-19 Electronic digital data processing arrangement - is for pocket calculators and uses MOS large scale integration chips Granted FR2292286A1 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US52524674A 1974-11-19 1974-11-19
US05/525,245 US3955181A (en) 1974-11-19 1974-11-19 Self-refreshing random access memory cell
US05/525,250 US3988604A (en) 1974-11-19 1974-11-19 Electronic calculator or digital processor chip having multiple function arithmetic unit output
US05/525,237 US3989939A (en) 1974-11-19 1974-11-19 Electronic calculator or digital processor chip with combined functions for constant, keyboard and control bit
US05/525,236 US3991305A (en) 1974-11-19 1974-11-19 Electronic calculator or digital processor chip with multiple code combinations of display and keyboard scan outputs
US05/525,247 US4021656A (en) 1974-11-19 1974-11-19 Data input for electronic calculator or digital processor chip
US05/525,238 US4021781A (en) 1974-11-19 1974-11-19 Virtual ground read-only-memory for electronic calculator or digital processor

Publications (2)

Publication Number Publication Date
FR2292286A1 FR2292286A1 (en) 1976-06-18
FR2292286B1 true FR2292286B1 (en) 1983-01-21

Family

ID=27569826

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7535355A Granted FR2292286A1 (en) 1974-11-19 1975-11-19 Electronic digital data processing arrangement - is for pocket calculators and uses MOS large scale integration chips

Country Status (4)

Country Link
JP (1) JPS5173856A (en)
DE (1) DE2551852A1 (en)
FR (1) FR2292286A1 (en)
NL (1) NL7513516A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2401459A1 (en) * 1977-08-26 1979-03-23 Cii Honeywell Bull PORTABLE INFORMATION MEDIA EQUIPPED WITH A MICROPROCESSOR AND A PROGRAMMABLE DEAD MEMORY
JPS54106128A (en) * 1978-02-08 1979-08-20 Nec Corp Time-division display unit
JPS58115372A (en) * 1981-12-29 1983-07-09 Fujitsu Ltd Test circuit of semiconductor device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
UST843614I4 (en) * 1969-07-22
GB1401204A (en) * 1971-07-19 1975-07-16 Texas Instruments Inc Variable function programmed calculator
US3781852A (en) * 1972-11-21 1973-12-25 Bowmar Instrument Corp Calculator display circuit
DK664473A (en) * 1973-09-24 1975-05-12 Texas Instruments Inc

Also Published As

Publication number Publication date
JPS5173856A (en) 1976-06-26
DE2551852C2 (en) 1991-06-20
NL7513516A (en) 1976-05-21
DE2551852A1 (en) 1976-05-20
FR2292286A1 (en) 1976-06-18

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