JPH0524598B2 - - Google Patents

Info

Publication number
JPH0524598B2
JPH0524598B2 JP59260355A JP26035584A JPH0524598B2 JP H0524598 B2 JPH0524598 B2 JP H0524598B2 JP 59260355 A JP59260355 A JP 59260355A JP 26035584 A JP26035584 A JP 26035584A JP H0524598 B2 JPH0524598 B2 JP H0524598B2
Authority
JP
Japan
Prior art keywords
input terminal
high voltage
transfer transistor
polycrystalline silicon
internal 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.)
Expired - Lifetime
Application number
JP59260355A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61140000A (ja
Inventor
Shuji Kaneuchi
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
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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
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 JPS61140000A (ja) 1986-06-27
JPH0524598B2 true 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)

Families Citing this family (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
US5083293A (en) * 1989-01-12 1992-01-21 General Instrument Corporation Prevention of alteration of data stored in secure integrated circuit chip memory
US5544111A (en) * 1991-03-14 1996-08-06 Gemplus Card International Programming process for integrated memory, particularly for a smart card

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6034196B2 (ja) * 1978-07-07 1985-08-07 三洋電機株式会社 半導体集積回路
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

Also Published As

Publication number Publication date
JPS61140000A (ja) 1986-06-27

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