JPS61140000A - プログラマブル読出し専用メモリ - Google Patents

プログラマブル読出し専用メモリ

Info

Publication number
JPS61140000A
JPS61140000A JP59260355A JP26035584A JPS61140000A JP S61140000 A JPS61140000 A JP S61140000A JP 59260355 A JP59260355 A JP 59260355A JP 26035584 A JP26035584 A JP 26035584A JP S61140000 A JPS61140000 A JP S61140000A
Authority
JP
Japan
Prior art keywords
signal
high voltage
terminal
input terminal
outputs
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
JP59260355A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0524598B2 (enrdf_load_stackoverflow
Inventor
Shuji Kaneuchi
金内 秀志
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
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 filed Critical NEC Corp
Priority to JP59260355A priority Critical patent/JPS61140000A/ja
Publication of JPS61140000A publication Critical patent/JPS61140000A/ja
Publication of JPH0524598B2 publication Critical patent/JPH0524598B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Storage Device Security (AREA)
  • Read Only Memory (AREA)
JP59260355A 1984-12-10 1984-12-10 プログラマブル読出し専用メモリ Granted JPS61140000A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59260355A JPS61140000A (ja) 1984-12-10 1984-12-10 プログラマブル読出し専用メモリ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59260355A JPS61140000A (ja) 1984-12-10 1984-12-10 プログラマブル読出し専用メモリ

Publications (2)

Publication Number Publication Date
JPS61140000A true JPS61140000A (ja) 1986-06-27
JPH0524598B2 JPH0524598B2 (enrdf_load_stackoverflow) 1993-04-08

Family

ID=17346802

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59260355A Granted JPS61140000A (ja) 1984-12-10 1984-12-10 プログラマブル読出し専用メモリ

Country Status (1)

Country Link
JP (1) JPS61140000A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6356749A (ja) * 1986-08-27 1988-03-11 Nec Corp シングルチツプマイクロコンピユ−タ
JPS63223850A (ja) * 1987-03-12 1988-09-19 Koatsu Gas Kogyo Kk アクセスプロテクト機能を備えたicカ−ド
JPH02230443A (ja) * 1989-01-12 1990-09-12 General Instr Corp メモリに蓄積されたデータの変更が阻止される安全確保集積回路チップ
JP2741635B2 (ja) * 1991-03-14 1998-04-22 ジェムプリュス カード アンテルナショナル 特にicカード用の集積回路メモリのプログラミング方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5512515A (en) * 1978-07-07 1980-01-29 Sanyo Electric Co Ltd Semiconductor integrated circuit
JPS5538624A (en) * 1978-09-05 1980-03-18 Sanyo Electric Co Ltd Nonvolatile semiconductor memory device
JPS57128068A (en) * 1981-01-30 1982-08-09 Nec Corp Semiconductor memory storage

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5512515A (en) * 1978-07-07 1980-01-29 Sanyo Electric Co Ltd Semiconductor integrated circuit
JPS5538624A (en) * 1978-09-05 1980-03-18 Sanyo Electric Co Ltd Nonvolatile semiconductor memory device
JPS57128068A (en) * 1981-01-30 1982-08-09 Nec Corp Semiconductor memory storage

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6356749A (ja) * 1986-08-27 1988-03-11 Nec Corp シングルチツプマイクロコンピユ−タ
JPS63223850A (ja) * 1987-03-12 1988-09-19 Koatsu Gas Kogyo Kk アクセスプロテクト機能を備えたicカ−ド
JPH02230443A (ja) * 1989-01-12 1990-09-12 General Instr Corp メモリに蓄積されたデータの変更が阻止される安全確保集積回路チップ
JP2741635B2 (ja) * 1991-03-14 1998-04-22 ジェムプリュス カード アンテルナショナル 特にicカード用の集積回路メモリのプログラミング方法

Also Published As

Publication number Publication date
JPH0524598B2 (enrdf_load_stackoverflow) 1993-04-08

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