JPS5426630A - Inspection system of rom - Google Patents

Inspection system of rom

Info

Publication number
JPS5426630A
JPS5426630A JP9190877A JP9190877A JPS5426630A JP S5426630 A JPS5426630 A JP S5426630A JP 9190877 A JP9190877 A JP 9190877A JP 9190877 A JP9190877 A JP 9190877A JP S5426630 A JPS5426630 A JP S5426630A
Authority
JP
Japan
Prior art keywords
rom
inspection system
output
decoder
counter
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
JP9190877A
Other languages
Japanese (ja)
Inventor
Akira Nagano
Kazuaki Urasaki
Kenji Yoshimoto
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.)
Omron Corp
Original Assignee
Omron Tateisi Electronics Co
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 Omron Tateisi Electronics Co filed Critical Omron Tateisi Electronics Co
Priority to JP9190877A priority Critical patent/JPS5426630A/en
Publication of JPS5426630A publication Critical patent/JPS5426630A/en
Pending legal-status Critical Current

Links

Landscapes

  • Techniques For Improving Reliability Of Storages (AREA)
  • Read Only Memory (AREA)
  • For Increasing The Reliability Of Semiconductor Memories (AREA)

Abstract

PURPOSE: To enable to inspect ROM's with accuracy in a short time, by releasing the inhibit of the output of the instruction decoder with the trailing edge of the final step of a program counter and by picking up the content of ROM with the advancement of the counter while the output of the decoder is inhibited.
COPYRIGHT: (C)1979,JPO&Japio
JP9190877A 1977-07-29 1977-07-29 Inspection system of rom Pending JPS5426630A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9190877A JPS5426630A (en) 1977-07-29 1977-07-29 Inspection system of rom

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9190877A JPS5426630A (en) 1977-07-29 1977-07-29 Inspection system of rom

Publications (1)

Publication Number Publication Date
JPS5426630A true JPS5426630A (en) 1979-02-28

Family

ID=14039669

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9190877A Pending JPS5426630A (en) 1977-07-29 1977-07-29 Inspection system of rom

Country Status (1)

Country Link
JP (1) JPS5426630A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5525868A (en) * 1978-08-14 1980-02-23 Nec Corp Diagnostic system for control memory

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3831148A (en) * 1973-01-02 1974-08-20 Honeywell Inf Systems Nonexecute test apparatus

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3831148A (en) * 1973-01-02 1974-08-20 Honeywell Inf Systems Nonexecute test apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5525868A (en) * 1978-08-14 1980-02-23 Nec Corp Diagnostic system for control memory
JPS5931800B2 (en) * 1978-08-14 1984-08-04 日本電気株式会社 Control memory diagnostic method

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