CA994917A - Apparatus and method of a variable memory cycle in a data processing unit - Google Patents

Apparatus and method of a variable memory cycle in a data processing unit

Info

Publication number
CA994917A
CA994917A CA172,100A CA172100A CA994917A CA 994917 A CA994917 A CA 994917A CA 172100 A CA172100 A CA 172100A CA 994917 A CA994917 A CA 994917A
Authority
CA
Canada
Prior art keywords
processing unit
data processing
memory cycle
variable memory
variable
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.)
Expired
Application number
CA172,100A
Other languages
English (en)
Other versions
CA172100S (en
Inventor
Chester M. Nibby (Jr.)
John L. Curley
John C. Manton
Benjamin S. Franklin
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.)
Bull HN Information Systems Inc
Original Assignee
Honeywell Information Systems Inc
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 Honeywell Information Systems Inc filed Critical Honeywell Information Systems Inc
Application granted granted Critical
Publication of CA994917A publication Critical patent/CA994917A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
    • G06F11/1008—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices
    • G06F11/1048—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices using arrangements adapted for a specific error detection or correction feature
    • G06F11/1056—Updating check bits on partial write, i.e. read/modify/write
    • 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
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
    • G06F13/4204—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus
    • G06F13/4234—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus being a memory bus
    • G06F13/4243—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus being a memory bus with synchronous protocol
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
    • G11C7/22—Read-write [R-W] timing or clocking circuits; Read-write [R-W] control signal generators or management 

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • Memory System (AREA)
  • For Increasing The Reliability Of Semiconductor Memories (AREA)
CA172,100A 1972-11-15 1973-05-24 Apparatus and method of a variable memory cycle in a data processing unit Expired CA994917A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00306757A US3809884A (en) 1972-11-15 1972-11-15 Apparatus and method for a variable memory cycle in a data processing unit

Publications (1)

Publication Number Publication Date
CA994917A true CA994917A (en) 1976-08-10

Family

ID=23186703

Family Applications (1)

Application Number Title Priority Date Filing Date
CA172,100A Expired CA994917A (en) 1972-11-15 1973-05-24 Apparatus and method of a variable memory cycle in a data processing unit

Country Status (7)

Country Link
US (1) US3809884A (enExample)
JP (1) JPS5612959B2 (enExample)
AU (1) AU471749B2 (enExample)
CA (1) CA994917A (enExample)
DE (1) DE2357168C2 (enExample)
FR (1) FR2209471A5 (enExample)
GB (1) GB1428570A (enExample)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE30331E (en) * 1973-08-10 1980-07-08 Data General Corporation Data processing system having a unique CPU and memory timing relationship and data path configuration
US4014006A (en) * 1973-08-10 1977-03-22 Data General Corporation Data processing system having a unique cpu and memory tuning relationship and data path configuration
US3924243A (en) * 1974-08-06 1975-12-02 Ibm Cross-field-partitioning in array logic modules
US4060794A (en) * 1976-03-31 1977-11-29 Honeywell Information Systems Inc. Apparatus and method for generating timing signals for latched type memories
US4153941A (en) * 1976-11-11 1979-05-08 Kearney & Trecker Corporation Timing circuit and method for controlling the operation of cyclical devices
US4110842A (en) * 1976-11-15 1978-08-29 Advanced Micro Devices, Inc. Random access memory with memory status for improved access and cycle times
GB1561961A (en) * 1977-04-20 1980-03-05 Int Computers Ltd Data processing units
US4172281A (en) * 1977-08-30 1979-10-23 Hewlett-Packard Company Microprogrammable control processor for a minicomputer or the like
IT1089225B (it) * 1977-12-23 1985-06-18 Honeywell Inf Systems Memoria con dispositivo rivelatore e correttore a intervento selettivo
US4200928A (en) * 1978-01-23 1980-04-29 Sperry Rand Corporation Method and apparatus for weighting the priority of access to variable length data blocks in a multiple-disk drive data storage system having an auxiliary processing device
DE2811318C2 (de) * 1978-03-16 1983-02-17 Ibm Deutschland Gmbh, 7000 Stuttgart Einrichtung zur Übertragung und Speicherung eines Teilwortes
US4225959A (en) * 1978-08-04 1980-09-30 Honeywell Information Systems Inc. Tri-state bussing system
US4319356A (en) * 1979-12-19 1982-03-09 Ncr Corporation Self-correcting memory system
EP0139743A1 (en) * 1983-04-14 1985-05-08 Convergent Technologies Inc. Clock stretching circuitry
US5047967A (en) * 1989-07-19 1991-09-10 Apple Computer, Inc. Digital front end for time measurement and generation of electrical signals
FR2666424B1 (fr) * 1990-08-30 1992-11-06 Bull Sa Procede et dispositif de reglage des signaux d'horloge dans un systeme synchrone.
US5239639A (en) * 1990-11-09 1993-08-24 Intel Corporation Efficient memory controller with an independent clock
US5313475A (en) * 1991-10-31 1994-05-17 International Business Machines Corporation ECC function with self-contained high performance partial write or read/modify/write and parity look-ahead interface scheme
US8139399B2 (en) 2009-10-13 2012-03-20 Mosys, Inc. Multiple cycle memory write completion
JP6072449B2 (ja) * 2012-07-09 2017-02-01 ルネサスエレクトロニクス株式会社 半導体記憶回路及びその動作方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3426328A (en) * 1965-01-18 1969-02-04 Ncr Co Electronic data processing system
US3548177A (en) * 1968-01-18 1970-12-15 Ibm Computer error anticipator and cycle extender
US3573728A (en) * 1969-01-09 1971-04-06 Ibm Memory with error correction for partial store operation
US3623017A (en) * 1969-10-22 1971-11-23 Sperry Rand Corp Dual clocking arrangement for a digital computer
US3610800A (en) * 1969-10-30 1971-10-05 North American Rockwell Digital electronic keyboard instrument with automatic transposition
US3656123A (en) * 1970-04-16 1972-04-11 Ibm Microprogrammed processor with variable basic machine cycle lengths
US3703707A (en) * 1971-04-28 1972-11-21 Burroughs Corp Dual clock memory access control

Also Published As

Publication number Publication date
AU5751873A (en) 1975-01-09
DE2357168C2 (de) 1984-05-17
AU471749B2 (en) 1976-04-29
JPS4979736A (enExample) 1974-08-01
JPS5612959B2 (enExample) 1981-03-25
US3809884A (en) 1974-05-07
FR2209471A5 (enExample) 1974-06-28
DE2357168A1 (de) 1974-05-22
GB1428570A (en) 1976-03-17

Similar Documents

Publication Publication Date Title
CA994917A (en) Apparatus and method of a variable memory cycle in a data processing unit
US3918565B1 (en) Method and apparatus for coin selection utilizing a programmable memory
CA986232A (en) Data processing system memory relocation apparatus and method
AU471635B2 (en) Poultry processing apparatus and method
CA1005573A (en) Cleaning apparatus and method in a magnetic tape unit
IL35175A0 (en) Data processing method and apparatus
CA981577A (en) Well completion apparatus and method
CA974450A (en) Pipe-spinning apparatus and method
MY7600275A (en) Continous dissolving method and apparatus
CA998185A (en) Clock apparatus and data processing system
CA1007757A (en) Data processing system and method therefor
IL44838A0 (en) Method and apparatus for use in data processing
CA1016652A (en) Method and apparatus for coin selection utilizing a programmable memory
US4010452A (en) Associative data processing apparatus and method
AU5496773A (en) Deflashing apparatus and method
CA985789A (en) Method and means for reducing the amount of address translation in a virtual memory data processing system
CA892798A (en) Data storage method and apparatus
AU5446673A (en) Method and apparatus for correcting statics in seismic data
CA911603A (en) Method and apparatus for establishing states in a data processing system
CA905548A (en) Data processing method and means
AU487876B2 (en) Method and apparatus for coin selection utilizing a programmable memory
CA904745A (en) Well completion method and apparatus
AU481074B2 (en) Clock apparatus and data processing system
AU470248B2 (en) Protein texturing method and apparatus
CA1003115A (en) Apparatus and method for unambiguous counter reading