AT374297B - Schaltungsanordnung zur signaltechnisch sicheren abfrage eines matrixspeichers - Google Patents

Schaltungsanordnung zur signaltechnisch sicheren abfrage eines matrixspeichers

Info

Publication number
AT374297B
AT374297B AT0386480A AT386480A AT374297B AT 374297 B AT374297 B AT 374297B AT 0386480 A AT0386480 A AT 0386480A AT 386480 A AT386480 A AT 386480A AT 374297 B AT374297 B AT 374297B
Authority
AT
Austria
Prior art keywords
requesting
reliable
signal
circuit arrangement
matrix memory
Prior art date
Application number
AT0386480A
Other languages
English (en)
Other versions
ATA386480A (de
Original Assignee
Int Standard Electric Corp
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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Publication of ATA386480A publication Critical patent/ATA386480A/de
Application granted granted Critical
Publication of AT374297B publication Critical patent/AT374297B/de

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
    • G11C29/70—Masking faults in memories by using spares or by reconfiguring
    • G11C29/74—Masking faults in memories by using spares or by reconfiguring using duplex memories, i.e. using dual copies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L21/00—Station blocking between signal boxes in one yard
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/20—Handling requests for interconnection or transfer for access to input/output bus
    • G06F13/22—Handling requests for interconnection or transfer for access to input/output bus using successive scanning, e.g. polling
    • G06F13/225—Handling requests for interconnection or transfer for access to input/output bus using successive scanning, e.g. polling with priority control

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • Storage Device Security (AREA)
  • Hardware Redundancy (AREA)
  • Debugging And Monitoring (AREA)
AT0386480A 1979-08-09 1980-07-25 Schaltungsanordnung zur signaltechnisch sicheren abfrage eines matrixspeichers AT374297B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2932271A DE2932271C2 (de) 1979-08-09 1979-08-09 Schaltungsanordnung zur signaltechnisch sicheren Abfrage eines Matrixspeichers

Publications (2)

Publication Number Publication Date
ATA386480A ATA386480A (de) 1983-08-15
AT374297B true AT374297B (de) 1984-04-10

Family

ID=6078009

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0386480A AT374297B (de) 1979-08-09 1980-07-25 Schaltungsanordnung zur signaltechnisch sicheren abfrage eines matrixspeichers

Country Status (7)

Country Link
AT (1) AT374297B (de)
CH (1) CH649163A5 (de)
DE (1) DE2932271C2 (de)
ES (1) ES494111A0 (de)
IL (1) IL60736A (de)
SE (1) SE441223B (de)
YU (1) YU41727B (de)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3668644A (en) * 1970-02-09 1972-06-06 Burroughs Corp Failsafe memory system

Also Published As

Publication number Publication date
DE2932271C2 (de) 1981-12-24
SE8005458L (sv) 1981-02-10
IL60736A0 (en) 1980-10-26
YU41727B (en) 1987-12-31
SE441223B (sv) 1985-09-16
IL60736A (en) 1984-10-31
ATA386480A (de) 1983-08-15
CH649163A5 (en) 1985-04-30
ES8107403A1 (es) 1981-10-16
DE2932271A1 (de) 1981-02-12
ES494111A0 (es) 1981-10-16
YU200480A (en) 1982-08-31

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
ELJ Ceased due to non-payment of the annual fee