Semiconductor integrated circuit device having power reduction m

Details Semiconductor integrated circuit device having power reduction m Semiconductor integrated circuit device having power reduction m

1994-02-08

1996-12-10

Westin, Edward P.

Electronic digital logic circuitry

Function of and, or, nand, nor, or not

Field-effect transistor

326 83, 326 17, 326 33, 327544, H03K 190948, H03K 1901

Patent

active

055834574

ABSTRACT:
A semiconductor integrated circuit device is composed of logic gates each provided with at least two MOS transistors. The logic gates are connected to a first potential point and a second potential point. The semiconductor integrated circuit device includes a current control device connected between the logic gate and the first potential point and/or between the logic gate and the second potential point for controlling a value of a current flowing in the logic gate depending on an operating state of the logic gate. The circuit can be used in devices that cycle in operation between high and low power consumption modes, such as microprocessors that have both an operation mode and a low power back-up or sleep mode used for power reduction.

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