JPS5570997A - Error bit check system for read only memory - Google Patents

Error bit check system for read only memory

Info

Publication number
JPS5570997A
JPS5570997A JP14171878A JP14171878A JPS5570997A JP S5570997 A JPS5570997 A JP S5570997A JP 14171878 A JP14171878 A JP 14171878A JP 14171878 A JP14171878 A JP 14171878A JP S5570997 A JPS5570997 A JP S5570997A
Authority
JP
Japan
Prior art keywords
pulse
rom
read
memory
error bit
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
JP14171878A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6130301B2 (US20090163788A1-20090625-C00002.png
Inventor
Keiichi Suzuki
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 JP14171878A priority Critical patent/JPS5570997A/ja
Publication of JPS5570997A publication Critical patent/JPS5570997A/ja
Publication of JPS6130301B2 publication Critical patent/JPS6130301B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Hardware Redundancy (AREA)
  • Read Only Memory (AREA)
  • For Increasing The Reliability Of Semiconductor Memories (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
JP14171878A 1978-11-18 1978-11-18 Error bit check system for read only memory Granted JPS5570997A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14171878A JPS5570997A (en) 1978-11-18 1978-11-18 Error bit check system for read only memory

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14171878A JPS5570997A (en) 1978-11-18 1978-11-18 Error bit check system for read only memory

Publications (2)

Publication Number Publication Date
JPS5570997A true JPS5570997A (en) 1980-05-28
JPS6130301B2 JPS6130301B2 (US20090163788A1-20090625-C00002.png) 1986-07-12

Family

ID=15298575

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14171878A Granted JPS5570997A (en) 1978-11-18 1978-11-18 Error bit check system for read only memory

Country Status (1)

Country Link
JP (1) JPS5570997A (US20090163788A1-20090625-C00002.png)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5844488A (ja) * 1981-09-11 1983-03-15 日本電信電話株式会社 パタン発生装置
JPS6063651A (ja) * 1983-09-17 1985-04-12 Nippon Telegr & Teleph Corp <Ntt> 記憶装置
JPS61267846A (ja) * 1984-11-12 1986-11-27 Nec Corp メモリを有する集積回路装置
JPS63186350A (ja) * 1987-01-28 1988-08-01 Nec Corp パタ−ン発生回路
JPS6444720U (US20090163788A1-20090625-C00002.png) * 1987-09-11 1989-03-17
JP2011154582A (ja) * 2010-01-28 2011-08-11 Seiko Epson Corp 集積回路装置、電子機器

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5844488A (ja) * 1981-09-11 1983-03-15 日本電信電話株式会社 パタン発生装置
JPS6063651A (ja) * 1983-09-17 1985-04-12 Nippon Telegr & Teleph Corp <Ntt> 記憶装置
JPS6233625B2 (US20090163788A1-20090625-C00002.png) * 1983-09-17 1987-07-22 Nippon Telegraph & Telephone
JPS61267846A (ja) * 1984-11-12 1986-11-27 Nec Corp メモリを有する集積回路装置
JPS63186350A (ja) * 1987-01-28 1988-08-01 Nec Corp パタ−ン発生回路
JPS6444720U (US20090163788A1-20090625-C00002.png) * 1987-09-11 1989-03-17
JP2011154582A (ja) * 2010-01-28 2011-08-11 Seiko Epson Corp 集積回路装置、電子機器

Also Published As

Publication number Publication date
JPS6130301B2 (US20090163788A1-20090625-C00002.png) 1986-07-12

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