JPS6057598A - 読み出し専用メモリ - Google Patents

読み出し専用メモリ

Info

Publication number
JPS6057598A
JPS6057598A JP58164481A JP16448183A JPS6057598A JP S6057598 A JPS6057598 A JP S6057598A JP 58164481 A JP58164481 A JP 58164481A JP 16448183 A JP16448183 A JP 16448183A JP S6057598 A JPS6057598 A JP S6057598A
Authority
JP
Japan
Prior art keywords
logic
rom
address
output
conversion circuit
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
JP58164481A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6348119B2 (enExample
Inventor
Shinobu Miyata
忍 宮田
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 JP58164481A priority Critical patent/JPS6057598A/ja
Publication of JPS6057598A publication Critical patent/JPS6057598A/ja
Publication of JPS6348119B2 publication Critical patent/JPS6348119B2/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

Landscapes

  • Read Only Memory (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • For Increasing The Reliability Of Semiconductor Memories (AREA)
  • Storage Device Security (AREA)
JP58164481A 1983-09-07 1983-09-07 読み出し専用メモリ Granted JPS6057598A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58164481A JPS6057598A (ja) 1983-09-07 1983-09-07 読み出し専用メモリ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58164481A JPS6057598A (ja) 1983-09-07 1983-09-07 読み出し専用メモリ

Publications (2)

Publication Number Publication Date
JPS6057598A true JPS6057598A (ja) 1985-04-03
JPS6348119B2 JPS6348119B2 (enExample) 1988-09-27

Family

ID=15793987

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58164481A Granted JPS6057598A (ja) 1983-09-07 1983-09-07 読み出し専用メモリ

Country Status (1)

Country Link
JP (1) JPS6057598A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63192146A (ja) * 1987-01-16 1988-08-09 エスジェーエス−トムソン　ミクロエレクトロニクス　エス．アー． メモリの読出し回路
JPH0455651U (enExample) * 1990-09-18 1992-05-13
US5396471A (en) * 1993-03-29 1995-03-07 Kabushiki Kaisha Toshiba Data protection circuit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55140960A (en) * 1979-04-18 1980-11-04 Mitsubishi Electric Corp Memory device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55140960A (en) * 1979-04-18 1980-11-04 Mitsubishi Electric Corp Memory device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63192146A (ja) * 1987-01-16 1988-08-09 エスジェーエス−トムソン　ミクロエレクトロニクス　エス．アー． メモリの読出し回路
JPH0455651U (enExample) * 1990-09-18 1992-05-13
US5396471A (en) * 1993-03-29 1995-03-07 Kabushiki Kaisha Toshiba Data protection circuit

Also Published As

Publication number Publication date
JPS6348119B2 (enExample) 1988-09-27

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