GB2325071B - Programmable integrated circuits - Google Patents

Programmable integrated circuits

Info

Publication number
GB2325071B
GB2325071B GB9811851A GB9811851A GB2325071B GB 2325071 B GB2325071 B GB 2325071B GB 9811851 A GB9811851 A GB 9811851A GB 9811851 A GB9811851 A GB 9811851A GB 2325071 B GB2325071 B GB 2325071B
Authority
GB
United Kingdom
Prior art keywords
integrated circuits
programmable integrated
programmable
circuits
integrated
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
GB9811851A
Other versions
GB9811851D0 (en
GB2325071A (en
Inventor
Bruce B Pedersen
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 GB9811851D0 publication Critical patent/GB9811851D0/en
Publication of GB2325071A publication Critical patent/GB2325071A/en
Application granted granted Critical
Publication of GB2325071B publication Critical patent/GB2325071B/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
GB9811851A 1996-04-04 1997-04-01 Programmable integrated circuits Expired - Fee Related GB2325071B (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
GB9811851D0 GB9811851D0 (en) 1998-07-29
GB2325071A GB2325071A (en) 1998-11-11
GB2325071B true GB2325071B (en) 1999-06-16

Family

ID=27268799

Family Applications (2)

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

Family Applications Before (1)

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

Country Status (1)

Country Link
GB (2) GB2325072B (en)

Also Published As

Publication number Publication date
GB9811851D0 (en) 1998-07-29
GB2325071A (en) 1998-11-11
GB9811856D0 (en) 1998-07-29
GB2325072B (en) 1999-06-16
GB2325072A (en) 1998-11-11

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Legal Events

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

Effective date: 20150401