JPS56147472A - Read only semiconductor memory - Google Patents

Read only semiconductor memory

Info

Publication number
JPS56147472A
JPS56147472A JP5126880A JP5126880A JPS56147472A JP S56147472 A JPS56147472 A JP S56147472A JP 5126880 A JP5126880 A JP 5126880A JP 5126880 A JP5126880 A JP 5126880A JP S56147472 A JPS56147472 A JP S56147472A
Authority
JP
Japan
Prior art keywords
gate
selectively
drain
film
sio2
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
JP5126880A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0120542B2 (enrdf_load_stackoverflow
Inventor
Nobuhiro Endo
Mitsutaka Morimoto
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP5126880A priority Critical patent/JPS56147472A/ja
Publication of JPS56147472A publication Critical patent/JPS56147472A/ja
Publication of JPH0120542B2 publication Critical patent/JPH0120542B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10B—ELECTRONIC MEMORY DEVICES
    • H10B20/00—Read-only memory [ROM] devices

Landscapes

  • Read Only Memory (AREA)
  • Semiconductor Memories (AREA)
JP5126880A 1980-04-18 1980-04-18 Read only semiconductor memory Granted JPS56147472A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5126880A JPS56147472A (en) 1980-04-18 1980-04-18 Read only semiconductor memory

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5126880A JPS56147472A (en) 1980-04-18 1980-04-18 Read only semiconductor memory

Publications (2)

Publication Number Publication Date
JPS56147472A true JPS56147472A (en) 1981-11-16
JPH0120542B2 JPH0120542B2 (enrdf_load_stackoverflow) 1989-04-17

Family

ID=12882191

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5126880A Granted JPS56147472A (en) 1980-04-18 1980-04-18 Read only semiconductor memory

Country Status (1)

Country Link
JP (1) JPS56147472A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59124760A (ja) * 1983-01-04 1984-07-18 Nec Corp 読み出し専用メモリ
JPS59124761A (ja) * 1983-01-04 1984-07-18 Nec Corp 読み出し専用メモリ
JPS60169164A (ja) * 1984-02-10 1985-09-02 Nippon Texas Instr Kk Ｖ形マスクｒｏｍ装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59124760A (ja) * 1983-01-04 1984-07-18 Nec Corp 読み出し専用メモリ
JPS59124761A (ja) * 1983-01-04 1984-07-18 Nec Corp 読み出し専用メモリ
JPS60169164A (ja) * 1984-02-10 1985-09-02 Nippon Texas Instr Kk Ｖ形マスクｒｏｍ装置

Also Published As

Publication number Publication date
JPH0120542B2 (enrdf_load_stackoverflow) 1989-04-17

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