JPS5312236A - Memory retry circuit - Google Patents

Memory retry circuit

Info

Publication number
JPS5312236A
JPS5312236A JP8603276A JP8603276A JPS5312236A JP S5312236 A JPS5312236 A JP S5312236A JP 8603276 A JP8603276 A JP 8603276A JP 8603276 A JP8603276 A JP 8603276A JP S5312236 A JPS5312236 A JP S5312236A
Authority
JP
Japan
Prior art keywords
memory retry
retry circuit
memory
reading
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.)
Pending
Application number
JP8603276A
Other languages
Japanese (ja)
Inventor
Toyoki Iwama
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP8603276A priority Critical patent/JPS5312236A/en
Publication of JPS5312236A publication Critical patent/JPS5312236A/en
Pending legal-status Critical Current

Links

Landscapes

  • Techniques For Improving Reliability Of Storages (AREA)
  • Retry When Errors Occur (AREA)

Abstract

PURPOSE: To achieve an errorless and highly reliabel reading by securing a normal parity as well as a restoration from a memory retry state by reading the same data twice continuously.
COPYRIGHT: (C)1978,JPO&Japio
JP8603276A 1976-07-21 1976-07-21 Memory retry circuit Pending JPS5312236A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8603276A JPS5312236A (en) 1976-07-21 1976-07-21 Memory retry circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8603276A JPS5312236A (en) 1976-07-21 1976-07-21 Memory retry circuit

Publications (1)

Publication Number Publication Date
JPS5312236A true JPS5312236A (en) 1978-02-03

Family

ID=13875311

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8603276A Pending JPS5312236A (en) 1976-07-21 1976-07-21 Memory retry circuit

Country Status (1)

Country Link
JP (1) JPS5312236A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63278146A (en) * 1987-05-11 1988-11-15 Fujitsu Ltd Reading system for status register
US4912694A (en) * 1987-02-18 1990-03-27 Canon Kabushiki Kaisha Information reproducing method and apparatus including comparison of a parity valve counted by a flip-flop with a parity bit attached to a data unit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4912694A (en) * 1987-02-18 1990-03-27 Canon Kabushiki Kaisha Information reproducing method and apparatus including comparison of a parity valve counted by a flip-flop with a parity bit attached to a data unit
JPS63278146A (en) * 1987-05-11 1988-11-15 Fujitsu Ltd Reading system for status register

Similar Documents

Publication Publication Date Title
JPS5321542A (en) Error data memory circuit
JPS53114680A (en) Integrated circuit
JPS5354937A (en) Non-synchronous sequence circuit
JPS5312236A (en) Memory retry circuit
JPS5298433A (en) Semiconductor memory
JPS5318925A (en) Memory control unit
JPS52155020A (en) Memory unit
JPS5384654A (en) Error correction circuit having test function
JPS5317046A (en) Program writing system
JPS52124836A (en) Reset of data processing unit
JPS5362936A (en) Memory control device
JPS53126226A (en) Memory controller system
JPS5294041A (en) Error correction system
JPS5323241A (en) Microprogram control processi ng system
JPS52124825A (en) High performance memory circuit
JPS5387642A (en) Memory retry system
JPS5413229A (en) Parity inspection system
JPS5325321A (en) Reading controller for memory unit
JPS5370733A (en) Initial set error detector
JPS5334431A (en) Memory unit
JPS52124830A (en) Buss malfunction detection circuit
JPS51114832A (en) Memory chip backup unit
JPS5427743A (en) Information processing unit
JPS5324241A (en) Control unit
JPS52147929A (en) Memory