Firewall/isolation cells for ultra low power products

Details Firewall/isolation cells for ultra low power products Firewall/isolation cells for ultra low power products

2011-08-02

2011-08-02

Du, Thuan N (Department: 2116)

Electrical computers and digital processing systems: support

Computer power control

Power conservation

C713S324000, C326S021000, C326S062000

Reexamination Certificate

active

07992024

ABSTRACT:
In an integrated circuit (IC) may have several functional blocks adapted to be inactivated independently from each other. At least one firewall cell may be embedded independently of other firewall cells in the vicinity of one functional block. The firewall cell may be electrically isolated from the functional block and may be powered by a constantly supplied voltage source in the IC. Firewall cells may be embedded in free locations on the IC in the functional block domain according to a design that may be free of constraints such as firewall cells array of firewall cells mini-island.

REFERENCES:
patent: 5424659 (1995-06-01), Stephens et al.
patent: 7167017 (2007-01-01), Arora et al.
patent: 7215563 (2007-05-01), Brandon et al.
patent: 7805621 (2010-09-01), Kendall et al.

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