JPS5326633A - Read-only m emory - Google Patents

Read-only m emory

Info

Publication number
JPS5326633A
JPS5326633A JP10060676A JP10060676A JPS5326633A JP S5326633 A JPS5326633 A JP S5326633A JP 10060676 A JP10060676 A JP 10060676A JP 10060676 A JP10060676 A JP 10060676A JP S5326633 A JPS5326633 A JP S5326633A
Authority
JP
Japan
Prior art keywords
emory
read
growing
reading
detection
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
JP10060676A
Other languages
Japanese (ja)
Inventor
Hiroyuki Yoshimoto
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP10060676A priority Critical patent/JPS5326633A/en
Publication of JPS5326633A publication Critical patent/JPS5326633A/en
Pending 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:To reduce the manufacture processes as well as to increase the integration performance by growing an inversion layer on the semiconductor substrate surface with supply of a signal to the 2nd conduction layer and reading the information through detection of the terminal voltage.
JP10060676A 1976-08-25 1976-08-25 Read-only m emory Pending JPS5326633A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10060676A JPS5326633A (en) 1976-08-25 1976-08-25 Read-only m emory

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10060676A JPS5326633A (en) 1976-08-25 1976-08-25 Read-only m emory

Publications (1)

Publication Number Publication Date
JPS5326633A true JPS5326633A (en) 1978-03-11

Family

ID=14278510

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10060676A Pending JPS5326633A (en) 1976-08-25 1976-08-25 Read-only m emory

Country Status (1)

Country Link
JP (1) JPS5326633A (en)

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