Programmable logic device with reduced power consumption

Electronic digital logic circuitry – Multifunctional or programmable – Having details of setting or programming of interconnections...

Reexamination Certificate

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C326S039000

Reexamination Certificate

active

07078932

ABSTRACT:
The present invention provides a programmable logic device with reduced power consumption comprising, a first set of data storage elements, at least a first power supply connected to the said first set of data storage elements, a second set of substantially identical interconnected tiles, each including logic blocks, at least a second power supply independent of the said first power supply connected to said identical tiles wherein said second power supply is switched-off when the logic block is not being used.

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patent: 6101143 (2000-08-01), Ghia
patent: 6102963 (2000-08-01), Agrawal
patent: 6384628 (2002-05-01), Lacey et al.
patent: 6710621 (2004-03-01), Devlin et al.
patent: 6914449 (2005-07-01), Kaviani
patent: 2005/0091629 (2005-04-01), Eisenstadt et al.
Xilinx, XC4000E and XC4000X Series Field Programmable Gate Arrays, May 14, 1999, Version 1.6, pp. 6-5 thru 6-72.

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