Static information storage and retrieval – Powering
Reexamination Certificate
2007-01-30
2007-01-30
Hoang, Huan (Department: 2827)
Static information storage and retrieval
Powering
C365S189090, C365S063000, C365S230030
Reexamination Certificate
active
11216388
ABSTRACT:
A power supply for on-chip memory on an integrated circuit powered by a voltage source includes an on-chip logic circuit, a voltage identification bus and an on-chip variable voltage regulator. The on-chip logic circuit receives power from an off-chip variable power supply and generates a voltage identification signal that provides control information regarding a desired current state of the off-chip variable power supply. The voltage identification bus receives the voltage identification signal from the on-chip logic circuit. The on-chip variable voltage regulator receives power from the voltage source. The on-chip voltage regulator is controlled by an on-chip voltage regulator control logic circuit that is in communication with the voltage identification bus. The on-chip voltage regulator control logic circuit is responsive to the voltage identification signal and causes the on-chip variable voltage regulator to supply an array voltage to an array that tracks the current state of the off-chip variable power supply.
REFERENCES:
patent: 4638464 (1987-01-01), Cranford et al.
patent: 2002/0104031 (2002-08-01), Tomlinson et al.
Bockhop & Associates LLC
Hoang Huan
International Business Machines - Corporation
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