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GB2291232B - Fifo memory devices - Google Patents

Fifo memory devices

Info

Publication number
GB2291232B
GB2291232B GB9519224A GB9519224A GB2291232B GB 2291232 B GB2291232 B GB 2291232B GB 9519224 A GB9519224 A GB 9519224A GB 9519224 A GB9519224 A GB 9519224A GB 2291232 B GB2291232 B GB 2291232B
Authority
GB
United Kingdom
Prior art keywords
memory devices
fifo memory
fifo
devices
memory
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 - Fee Related
Application number
GB9519224A
Other versions
GB2291232A (en
GB9519224D0 (en
Inventor
Hiroshi Hattori
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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
Priority claimed from JP6011392A external-priority patent/JPH05265941A/en
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority claimed from GB9305423A external-priority patent/GB2265233B/en
Publication of GB9519224D0 publication Critical patent/GB9519224D0/en
Publication of GB2291232A publication Critical patent/GB2291232A/en
Application granted granted Critical
Publication of GB2291232B publication Critical patent/GB2291232B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F5/00—Methods or arrangements for data conversion without changing the order or content of the data handled
    • G06F5/06—Methods or arrangements for data conversion without changing the order or content of the data handled for changing the speed of data flow, i.e. speed regularising or timing, e.g. delay lines, FIFO buffers; over- or underrun control therefor
    • G06F5/10—Methods or arrangements for data conversion without changing the order or content of the data handled for changing the speed of data flow, i.e. speed regularising or timing, e.g. delay lines, FIFO buffers; over- or underrun control therefor having a sequence of storage locations each being individually accessible for both enqueue and dequeue operations, e.g. using random access memory
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F5/00—Methods or arrangements for data conversion without changing the order or content of the data handled
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F5/00—Methods or arrangements for data conversion without changing the order or content of the data handled
    • G06F5/06—Methods or arrangements for data conversion without changing the order or content of the data handled for changing the speed of data flow, i.e. speed regularising or timing, e.g. delay lines, FIFO buffers; over- or underrun control therefor
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2205/00—Indexing scheme relating to group G06F5/00; Methods or arrangements for data conversion without changing the order or content of the data handled
    • G06F2205/10—Indexing scheme relating to groups G06F5/10 - G06F5/14
    • G06F2205/108—Reading or writing the data blockwise, e.g. using an extra end-of-block pointer

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Image Input (AREA)
GB9519224A 1992-03-17 1993-03-16 Fifo memory devices Expired - Fee Related GB2291232B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6011392A JPH05265941A (en) 1992-03-17 1992-03-17 First-in first-out memory
GB9305423A GB2265233B (en) 1992-03-17 1993-03-16 Fifo memory devices

Publications (3)

Publication Number Publication Date
GB9519224D0 GB9519224D0 (en) 1995-11-22
GB2291232A GB2291232A (en) 1996-01-17
GB2291232B true GB2291232B (en) 1996-10-16

Family

ID=26302601

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9519224A Expired - Fee Related GB2291232B (en) 1992-03-17 1993-03-16 Fifo memory devices

Country Status (1)

Country Link
GB (1) GB2291232B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0276870A2 (en) * 1987-01-30 1988-08-03 RCA Thomson Licensing Corporation Dual port video memory system having semi-synchronous data input and data output
GB2245729A (en) * 1987-03-19 1992-01-08 Apple Computer Video apparatus employing vrams

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0276870A2 (en) * 1987-01-30 1988-08-03 RCA Thomson Licensing Corporation Dual port video memory system having semi-synchronous data input and data output
GB2245729A (en) * 1987-03-19 1992-01-08 Apple Computer Video apparatus employing vrams

Also Published As

Publication number Publication date
GB2291232A (en) 1996-01-17
GB9519224D0 (en) 1995-11-22

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20120316