JPS6459934A - Semiconductor device with redundant function - Google Patents

Semiconductor device with redundant function

Info

Publication number
JPS6459934A
JPS6459934A JP62218746A JP21874687A JPS6459934A JP S6459934 A JPS6459934 A JP S6459934A JP 62218746 A JP62218746 A JP 62218746A JP 21874687 A JP21874687 A JP 21874687A JP S6459934 A JPS6459934 A JP S6459934A
Authority
JP
Japan
Prior art keywords
fuse
cut
cutting
semiconductor device
substitution
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.)
Pending
Application number
JP62218746A
Other languages
Japanese (ja)
Inventor
Masakazu Hirokane
Michio Honma
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 Yamaguchi Ltd
Original Assignee
NEC Yamaguchi 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 Yamaguchi Ltd filed Critical NEC Yamaguchi Ltd
Priority to JP62218746A priority Critical patent/JPS6459934A/en
Publication of JPS6459934A publication Critical patent/JPS6459934A/en
Pending legal-status Critical Current

Links

Landscapes

  • Semiconductor Memories (AREA)
  • For Increasing The Reliability Of Semiconductor Memories (AREA)
  • Testing Or Measuring Of Semiconductors Or The Like (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • Design And Manufacture Of Integrated Circuits (AREA)

Abstract

PURPOSE:To improve a success rate in the substitution of a defective address for a redundant address by a method wherein a substitution fuse has a plurality of pieces of serially connected cutting fuse parts. CONSTITUTION:Cutting fuse parts 2 are connected in series two pieces and are installed in a substitution fuse 1 which is extended unidirectionally and two pieces of the fuse parts 2 in the fuse 1, which is intended to cut at the time of cutting of the fuse, are all cut. If at least one cutting fuse part 2 out of them is cut, it means that the fuse 1 has been cut.
JP62218746A 1987-08-31 1987-08-31 Semiconductor device with redundant function Pending JPS6459934A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62218746A JPS6459934A (en) 1987-08-31 1987-08-31 Semiconductor device with redundant function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62218746A JPS6459934A (en) 1987-08-31 1987-08-31 Semiconductor device with redundant function

Publications (1)

Publication Number Publication Date
JPS6459934A true JPS6459934A (en) 1989-03-07

Family

ID=16724769

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62218746A Pending JPS6459934A (en) 1987-08-31 1987-08-31 Semiconductor device with redundant function

Country Status (1)

Country Link
JP (1) JPS6459934A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003229484A (en) * 2001-11-22 2003-08-15 Samsung Electronics Co Ltd Laser link structure and fuse box employing it
JP2007172720A (en) * 2005-12-21 2007-07-05 Nec Electronics Corp Semiconductor device, semiconductor storage device, control signal formation method, and relief method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63122150A (en) * 1986-11-10 1988-05-26 Nec Corp Semiconductor integrated circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63122150A (en) * 1986-11-10 1988-05-26 Nec Corp Semiconductor integrated circuit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003229484A (en) * 2001-11-22 2003-08-15 Samsung Electronics Co Ltd Laser link structure and fuse box employing it
JP2007172720A (en) * 2005-12-21 2007-07-05 Nec Electronics Corp Semiconductor device, semiconductor storage device, control signal formation method, and relief method

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