Power controlling integrated circuit cell

Details Power controlling integrated circuit cell Power controlling integrated circuit cell

2011-01-04

2011-01-04

Wallis, Michael Rutland (Department: 2836)

Electrical transmission or interconnection systems

Switching systems

Switch actuation

C713S330000

Reexamination Certificate

active

07863778

ABSTRACT:
A power controlling integrated circuit cell is provided within an integrated circuit power grid to selectively couple an unswitched power supply input to a switched power supply output. The power controlling integrated circuit cell also includes a power control signal input and a power control signal output for supporting the distribution through the integrated circuit of the power control signal. The power controlling integrated circuit cell has a power switching circuit responsive to a power control input signal received at the power control signal input to selectively connect the switched power supply output to the unswitched power supply input, and a power control signal buffer circuit responsive to the switched power supply output to drive a power control output signal from the power control signal output.

REFERENCES:
patent: 2004/0263237 (2004-12-01), Kim et al.
Royannez Pet al: “90nm low leakage SoC design techniques for wireless applications” Solid-State Circuits Conference, 2005. Digest of Technical Papers. ISSCC. 2005 IEEE International San Francisco, CA, USA Feb. 6-10, 2005, Piscataway, N J, USA,IEEE, Feb. 6, 2005, pp. 138-140.
Ling, “Damned If You Do,”New Electronics, Northwood Publications, 2005, pp. 27-28.
International Search Report for International Application No. PCT/GB2005/002902 mailed Jun. 1, 2006.

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