JPS5313320A - Semiconductor memory unit and its production - Google Patents

Semiconductor memory unit and its production

Info

Publication number
JPS5313320A
JPS5313320A JP8750276A JP8750276A JPS5313320A JP S5313320 A JPS5313320 A JP S5313320A JP 8750276 A JP8750276 A JP 8750276A JP 8750276 A JP8750276 A JP 8750276A JP S5313320 A JPS5313320 A JP S5313320A
Authority
JP
Japan
Prior art keywords
production
semiconductor memory
memory unit
memory
sop
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.)
Pending
Application number
JP8750276A
Other languages
Japanese (ja)
Inventor
Jun Miyagawa
Masayoshi Nakane
Yoshio Aisaka
Masabumi Watanabe
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP8750276A priority Critical patent/JPS5313320A/en
Priority to GB30939/77A priority patent/GB1579386A/en
Priority to US05/818,015 priority patent/US4144587A/en
Publication of JPS5313320A publication Critical patent/JPS5313320A/en
Pending 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
    • G11C11/35—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices with charge storage in a depletion layer, e.g. charge coupled devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Read Only Memory (AREA)

Abstract

PURPOSE:The memory and its production where the number of active element AE in the memory is always limited below the half of memory point total is realized, thereby improving reliability and manufacturing sop.
JP8750276A 1976-07-22 1976-07-22 Semiconductor memory unit and its production Pending JPS5313320A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP8750276A JPS5313320A (en) 1976-07-22 1976-07-22 Semiconductor memory unit and its production
GB30939/77A GB1579386A (en) 1976-07-22 1977-07-22 Semiconductor memory device and method of manufacturing the same
US05/818,015 US4144587A (en) 1976-07-22 1977-07-22 Counting level "1" bits to minimize ROM active elements

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8750276A JPS5313320A (en) 1976-07-22 1976-07-22 Semiconductor memory unit and its production

Publications (1)

Publication Number Publication Date
JPS5313320A true JPS5313320A (en) 1978-02-06

Family

ID=13916746

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8750276A Pending JPS5313320A (en) 1976-07-22 1976-07-22 Semiconductor memory unit and its production

Country Status (1)

Country Link
JP (1) JPS5313320A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS551608A (en) * 1978-06-16 1980-01-08 Nippon Telegr & Teleph Corp <Ntt> Read-only memory circuit
JPS59171471U (en) * 1983-04-30 1984-11-16 オムロン株式会社 image input device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1964345A1 (en) * 1968-12-30 1970-07-16 Texas Instruments Inc Permanent digital storage
JPS49118339A (en) * 1973-03-14 1974-11-12

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1964345A1 (en) * 1968-12-30 1970-07-16 Texas Instruments Inc Permanent digital storage
JPS49118339A (en) * 1973-03-14 1974-11-12

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS551608A (en) * 1978-06-16 1980-01-08 Nippon Telegr & Teleph Corp <Ntt> Read-only memory circuit
JPS59171471U (en) * 1983-04-30 1984-11-16 オムロン株式会社 image input device

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