Electronic digital logic circuitry – Multifunctional or programmable – Array
Reexamination Certificate
2007-10-02
2007-10-02
Cho, James H. (Department: 2819)
Electronic digital logic circuitry
Multifunctional or programmable
Array
C326S093000
Reexamination Certificate
active
11270718
ABSTRACT:
Circuitry for distributing clock signals (e.g., reference clock signals) among a plurality of blocks of circuitry. Each block may include reference clock source circuitry and reference clock utilization circuitry. Each block also preferably includes an identical or substantially identical module of clock signal distribution circuitry that can (1) accept a signal from the source circuitry in that block, (2) apply any of several clock signals to the utilization circuitry in that block, and (3) connect to the similar module(s) of one or more adjacent blocks.
REFERENCES:
patent: 5627480 (1997-05-01), Young et al.
patent: 5642058 (1997-06-01), Trimberger et al.
patent: 5649176 (1997-07-01), Selvidge et al.
patent: 6867616 (2005-03-01), Venkata et al.
patent: 7049846 (2006-05-01), Kundu
Hoang Tim Tri
Shumarayev Sergey Yuryevich
Altera Corporation
Cho James H.
Fish & Neave IP Group
Jackson Robert R.
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