Low power consumption and high speed NOR gate integrated circuit

Details Low power consumption and high speed NOR gate integrated circuit Low power consumption and high speed NOR gate integrated circuit

1993-02-12

1995-04-18

Westin, Edward P.

Electronic digital logic circuitry

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

Field-effect transistor

326112, 326108, H03K 190948

Patent

active

054081459

ABSTRACT:
A digital logic circuit is provided which eliminates excessive power consumption while providing high speed transitions between logic states. The digital logic circuit includes a pull-down device coupled to an input line. The digital logic circuit further comprises a weak pull-up device and a strong pull-up device coupled to the pull-down device at a node. A means for providing a signal on an output line of the programmable logic device is coupled to the pull-down device and the pull-up devices. The weak pull-up device holds the node high if the pull-down device is in an off state. However, if the pull-down device is in an on state, the strong pull-up device is also turned on, thereby providing a stable intermediate voltage on the node. A feedback path from the output line controls the state of the strong pull-up device.

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