JPS5785256A - Changing method for function of integrated circuit - Google Patents

Changing method for function of integrated circuit

Info

Publication number
JPS5785256A
JPS5785256A JP55161630A JP16163080A JPS5785256A JP S5785256 A JPS5785256 A JP S5785256A JP 55161630 A JP55161630 A JP 55161630A JP 16163080 A JP16163080 A JP 16163080A JP S5785256 A JPS5785256 A JP S5785256A
Authority
JP
Japan
Prior art keywords
function
circuits
integrated circuit
mask
another
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
JP55161630A
Other languages
English (en)
Other versions
JPH0320903B2 (ja
Inventor
Takaaki Hayashi
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.)
Seiko Epson Corp
Suwa Seikosha KK
Original Assignee
Seiko Epson Corp
Suwa Seikosha KK
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 Seiko Epson Corp, Suwa Seikosha KK filed Critical Seiko Epson Corp
Priority to JP55161630A priority Critical patent/JPS5785256A/ja
Publication of JPS5785256A publication Critical patent/JPS5785256A/ja
Publication of JPH0320903B2 publication Critical patent/JPH0320903B2/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

  • Design And Manufacture Of Integrated Circuits (AREA)
  • Semiconductor Memories (AREA)
JP55161630A 1980-11-17 1980-11-17 Changing method for function of integrated circuit Granted JPS5785256A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55161630A JPS5785256A (en) 1980-11-17 1980-11-17 Changing method for function of integrated circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55161630A JPS5785256A (en) 1980-11-17 1980-11-17 Changing method for function of integrated circuit

Related Child Applications (2)

Application Number Title Priority Date Filing Date
JP10372789A Division JP2549914B2 (ja) 1989-04-24 1989-04-24 集積回路の外部端子機能変更方法
JP5217194A Division JP2699859B2 (ja) 1994-03-23 1994-03-23 半導体装置の製造方法

Publications (2)

Publication Number Publication Date
JPS5785256A true JPS5785256A (en) 1982-05-27
JPH0320903B2 JPH0320903B2 (ja) 1991-03-20

Family

ID=15738830

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55161630A Granted JPS5785256A (en) 1980-11-17 1980-11-17 Changing method for function of integrated circuit

Country Status (1)

Country Link
JP (1) JPS5785256A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5999759A (ja) * 1982-11-30 1984-06-08 Nec Corp 集積回路装置の製造方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51139285A (en) * 1975-05-28 1976-12-01 Hitachi Ltd Method of altering articles by master slice system
JPS54113278A (en) * 1978-02-24 1979-09-04 Hitachi Ltd Selective wiring in lsi

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51139285A (en) * 1975-05-28 1976-12-01 Hitachi Ltd Method of altering articles by master slice system
JPS54113278A (en) * 1978-02-24 1979-09-04 Hitachi Ltd Selective wiring in lsi

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5999759A (ja) * 1982-11-30 1984-06-08 Nec Corp 集積回路装置の製造方法

Also Published As

Publication number Publication date
JPH0320903B2 (ja) 1991-03-20

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