GB9811856D0 - Logic cell for programmable logic devices - Google Patents

Logic cell for programmable logic devices

Info

Publication number
GB9811856D0
GB9811856D0 GBGB9811856.5A GB9811856A GB9811856D0 GB 9811856 D0 GB9811856 D0 GB 9811856D0 GB 9811856 A GB9811856 A GB 9811856A GB 9811856 D0 GB9811856 D0 GB 9811856D0
Authority
GB
United Kingdom
Prior art keywords
logic
cell
devices
programmable logic
programmable
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.)
Granted
Application number
GBGB9811856.5A
Other versions
GB2325072A (en
GB2325072B (en
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.)
Altera Corp
Original Assignee
Altera 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
Priority claimed from US08/727,921 external-priority patent/US5835998A/en
Application filed by Altera Corp filed Critical Altera Corp
Publication of GB9811856D0 publication Critical patent/GB9811856D0/en
Publication of GB2325072A publication Critical patent/GB2325072A/en
Application granted granted Critical
Publication of GB2325072B publication Critical patent/GB2325072B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/02—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components
    • H03K19/173—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using elementary logic circuits as components
    • H03K19/177—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using elementary logic circuits as components arranged in matrix form
    • H03K19/17748—Structural details of configuration resources
    • H03K19/1776—Structural details of configuration resources for memories
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/02—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components
    • H03K19/173—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using elementary logic circuits as components
    • H03K19/177—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using elementary logic circuits as components arranged in matrix form
    • H03K19/17724—Structural details of logic blocks
    • H03K19/17728—Reconfigurable logic blocks, e.g. lookup tables
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/02—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components
    • H03K19/173—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using elementary logic circuits as components
    • H03K19/177—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using elementary logic circuits as components arranged in matrix form
    • H03K19/17736—Structural details of routing resources

Landscapes

  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Logic Circuits (AREA)
GB9811856A 1996-04-04 1997-04-01 Programmable integrated circuits Expired - Fee Related GB2325072B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US1462196P 1996-04-04 1996-04-04
US08/727,921 US5835998A (en) 1996-04-04 1996-10-09 Logic cell for programmable logic devices
GB9706594A GB2311885B (en) 1996-04-04 1997-04-01 Programmable logic array integrated circuits

Publications (3)

Publication Number Publication Date
GB9811856D0 true GB9811856D0 (en) 1998-07-29
GB2325072A GB2325072A (en) 1998-11-11
GB2325072B GB2325072B (en) 1999-06-16

Family

ID=27268799

Family Applications (2)

Application Number Title Priority Date Filing Date
GB9811851A Expired - Fee Related GB2325071B (en) 1996-04-04 1997-04-01 Programmable integrated circuits
GB9811856A Expired - Fee Related GB2325072B (en) 1996-04-04 1997-04-01 Programmable integrated circuits

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB9811851A Expired - Fee Related GB2325071B (en) 1996-04-04 1997-04-01 Programmable integrated circuits

Country Status (1)

Country Link
GB (2) GB2325071B (en)

Also Published As

Publication number Publication date
GB2325072A (en) 1998-11-11
GB2325071A (en) 1998-11-11
GB9811851D0 (en) 1998-07-29
GB2325071B (en) 1999-06-16
GB2325072B (en) 1999-06-16

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20150401