Circuit with sleep mode having counter

Details Circuit with sleep mode having counter Circuit with sleep mode having counter

1995-08-09

1997-10-07

Wambach, Margaret Rose

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

327387, 327398, H03K 104, G05F 1110

Patent

active

056752822

ABSTRACT:
An integrated circuit has a plurality of circuit elements, each of which is equipped with a power saving device for conserving power. This offers design flexibility to more easily change the number of circuit elements in the integrated circuit. Each circuit element detects the input data with the aid of an input detector circuit. The input detector triggers a timer circuit to measure the time required for the circuit element to process the data. The timer circuit turns on an action flag at the start of the process, and turns off the action flag at the end of the process. When the action flag is on, a switch circuit provides either a clock signal or the power to a main circuit. This allows the main circuit to enter an activation mode. When the action flag is off, the switch circuit either provides a low-speed clock signal or suspends the supply of the clock signal or the power to the main circuit. This allows the main circuit to enter a sleep mode.

REFERENCES:
patent: 5254888 (1993-10-01), Lee et al.
patent: 5329178 (1994-07-01), Burton et al.
patent: 5481222 (1996-01-01), Utz

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