JPS5313323A - Semiconductor memory unit and its production - Google Patents

Semiconductor memory unit and its production

Info

Publication number
JPS5313323A
JPS5313323A JP8749276A JP8749276A JPS5313323A JP S5313323 A JPS5313323 A JP S5313323A JP 8749276 A JP8749276 A JP 8749276A JP 8749276 A JP8749276 A JP 8749276A JP S5313323 A JPS5313323 A JP S5313323A
Authority
JP
Japan
Prior art keywords
semiconductor memory
production
memory unit
connection
swtiching
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.)
Granted
Application number
JP8749276A
Other languages
Japanese (ja)
Other versions
JPS5752674B2 (en
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 JP8749276A priority Critical patent/JPS5313323A/en
Priority to US05/818,015 priority patent/US4144587A/en
Priority to GB30939/77A priority patent/GB1579386A/en
Publication of JPS5313323A publication Critical patent/JPS5313323A/en
Publication of JPS5752674B2 publication Critical patent/JPS5752674B2/ja
Granted 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

Landscapes

  • Read Only Memory (AREA)

Abstract

PURPOSE:A connection swtiching terminal block is provided and the selection of kinds is executed simply only by connection of selected terminals, thereby producing a semiconductor memory and making it reliable.
JP8749276A 1976-07-22 1976-07-22 Semiconductor memory unit and its production Granted JPS5313323A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP8749276A JPS5313323A (en) 1976-07-22 1976-07-22 Semiconductor memory unit and its production
US05/818,015 US4144587A (en) 1976-07-22 1977-07-22 Counting level "1" bits to minimize ROM active elements
GB30939/77A GB1579386A (en) 1976-07-22 1977-07-22 Semiconductor memory device and method of manufacturing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8749276A JPS5313323A (en) 1976-07-22 1976-07-22 Semiconductor memory unit and its production

Publications (2)

Publication Number Publication Date
JPS5313323A true JPS5313323A (en) 1978-02-06
JPS5752674B2 JPS5752674B2 (en) 1982-11-09

Family

ID=13916444

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8749276A Granted JPS5313323A (en) 1976-07-22 1976-07-22 Semiconductor memory unit and its production

Country Status (1)

Country Link
JP (1) JPS5313323A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58183836A (en) * 1982-04-19 1983-10-27 Daihatsu Motor Co Ltd Compression-ratio variable type internal-combustion engine
US4671917A (en) * 1985-07-30 1987-06-09 Japan Abrasive Co., Ltd. Method and apparatus for cooling molten oxides

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50126339A (en) * 1974-03-25 1975-10-04

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50126339A (en) * 1974-03-25 1975-10-04

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58183836A (en) * 1982-04-19 1983-10-27 Daihatsu Motor Co Ltd Compression-ratio variable type internal-combustion engine
JPH0116974B2 (en) * 1982-04-19 1989-03-28 Daihatsu Motor Co Ltd
US4671917A (en) * 1985-07-30 1987-06-09 Japan Abrasive Co., Ltd. Method and apparatus for cooling molten oxides

Also Published As

Publication number Publication date
JPS5752674B2 (en) 1982-11-09

Similar Documents

Publication Publication Date Title
JPS5313323A (en) Semiconductor memory unit and its production
JPS5370754A (en) Pulse signal control circuit
JPS51123080A (en) Variable capacitance element
JPS52149934A (en) Cyclic code arithmetic circuit
JPS5240947A (en) Gain control circuit
JPS5354952A (en) Nonvolatile flip-flop circuit
JPS51146194A (en) Diode device fabrication method
JPS5325394A (en) Se miconductor device
JPS5233434A (en) Non-volatility semiconductor memory unit
JPS52113677A (en) Production of semiconductor device
JPS5333057A (en) Bump type semiconductor device
JPS535988A (en) Sealing structure of crystal vibrator
JPS5370766A (en) Semiconductor device
JPS5376728A (en) Microwave circuit
JPS5355A (en) Transistor circuit
JPS52109311A (en) Communication monitoring system
JPS52122450A (en) Peaking system
JPS5420651A (en) Output circuit
JPS5313319A (en) Semiconductor memory unit
JPS5333001A (en) Inter-selective-call receiver circuit
JPS52106230A (en) Phase control circuit
JPS528489A (en) Wire contact element with unnecessity of soldering
JPS52155906A (en) Signal reader
JPS51117070A (en) East and slow adjustment of elctronic clock
JPS5384491A (en) Intergrated circuit device for memory