GB2333872B - Programmable logic array integrated circuit devices - Google Patents

Programmable logic array integrated circuit devices

Info

Publication number
GB2333872B
GB2333872B GB9909312A GB9909312A GB2333872B GB 2333872 B GB2333872 B GB 2333872B GB 9909312 A GB9909312 A GB 9909312A GB 9909312 A GB9909312 A GB 9909312A GB 2333872 B GB2333872 B GB 2333872B
Authority
GB
Grant status
Grant
Patent type
Prior art keywords
programmable
logic
array
integrated
circuit
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
GB9909312A
Other versions
GB9909312D0 (en )
GB2333872A (en )
Inventor
Robert Richard Noel Bielby
Richard G Cliff
L Todd Cope
Francis B Heile
Joseph Huang
David E Jefferson
Christopher F Lane
Craig Schilling Lytle
David Wolk Mendel
Bruce B Pederson
Rina Raman
Srinivas T Reddy
Kerry Veenstra
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
Grant date

Links

Classifications

    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K19/00Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/02Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components
    • H03K19/173Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using elementary logic circuits as components
    • H03K19/177Logic 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
    • H03K19/17736Structural details of routing resources
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K19/00Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/02Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components
    • H03K19/173Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using elementary logic circuits as components
    • H03K19/1733Controllable logic circuits
    • H03K19/1737Controllable logic circuits using multiplexers
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K19/00Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/02Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components
    • H03K19/173Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using elementary logic circuits as components
    • H03K19/177Logic 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
    • H03K19/17724Structural details of logic blocks
    • H03K19/17728Reconfigurable logic blocks, e.g. lookup tables
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K19/00Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/02Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components
    • H03K19/173Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using elementary logic circuits as components
    • H03K19/177Logic 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
    • H03K19/17736Structural details of routing resources
    • H03K19/17744Structural details of routing resources for input/output signals
GB9909312A 1995-05-17 1996-05-14 Programmable logic array integrated circuit devices Expired - Fee Related GB2333872B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US08442795 US5689195A (en) 1995-05-17 1995-05-17 Programmable logic array integrated circuit devices
GB9610053A GB2300950B (en) 1995-05-17 1996-05-14 Programmable logic array integrated circuit devices

Publications (3)

Publication Number Publication Date
GB9909312D0 GB9909312D0 (en) 1999-06-16
GB2333872A true GB2333872A (en) 1999-08-04
GB2333872B true GB2333872B (en) 1999-10-13

Family

ID=26309333

Family Applications (3)

Application Number Title Priority Date Filing Date
GB9909316A Expired - Fee Related GB2333874B (en) 1995-05-17 1996-05-14 Programmable logic array integrated circuit devices
GB9909313A Expired - Fee Related GB2333873B (en) 1995-05-17 1996-05-14 Programmable logic array integrated circuit devices
GB9909312A Expired - Fee Related GB2333872B (en) 1995-05-17 1996-05-14 Programmable logic array integrated circuit devices

Family Applications Before (2)

Application Number Title Priority Date Filing Date
GB9909316A Expired - Fee Related GB2333874B (en) 1995-05-17 1996-05-14 Programmable logic array integrated circuit devices
GB9909313A Expired - Fee Related GB2333873B (en) 1995-05-17 1996-05-14 Programmable logic array integrated circuit devices

Country Status (1)

Country Link
GB (3) GB2333874B (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0581409A1 (en) * 1992-07-29 1994-02-02 Xilinx, Inc. Programming a field programmable gate array and reading array status

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0581409A1 (en) * 1992-07-29 1994-02-02 Xilinx, Inc. Programming a field programmable gate array and reading array status

Also Published As

Publication number Publication date Type
GB9909312D0 (en) 1999-06-16 grant
GB2333874A (en) 1999-08-04 application
GB9909313D0 (en) 1999-06-16 grant
GB2333872A (en) 1999-08-04 application
GB2333873B (en) 1999-09-22 grant
GB2333874B (en) 1999-09-22 grant
GB9909316D0 (en) 1999-06-16 grant
GB2333873A (en) 1999-08-04 application

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Legal Events

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

Effective date: 20150514