Electronic digital logic circuitry – Interface – Current driving
Patent
1998-07-28
2000-04-04
Santamauro, Jon
Electronic digital logic circuitry
Interface
Current driving
326 17, 326121, H03K 190948, H03K 190185
Patent
active
060466049
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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Aoki Masakazu
Horiguchi Masashi
Itoh Kiyoo
Kawahara Takayuki
Sakata Takeshi
Hitachi , Ltd.
Santamauro Jon
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