Self-selecting precharged domino logic circuit

Details Self-selecting precharged domino logic circuit Self-selecting precharged domino logic circuit

1997-09-26

2009-08-18

Le, Don P (Department: 2819)

Electronic digital logic circuitry

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

Field-effect transistor

C326S093000

Reexamination Certificate

active

07576568

ABSTRACT:
A domino logic circuit having an input terminal and a precharge node. A first switch is responsive to a second switch sensing one of a high or low voltage at the precharge node to charge the precharge node and the second switch is responsive to the one of a high or low voltage at the precharge node to control the first switch charging the precharge node. The first switch is preferably a p-channel transistor and the second switch is preferably an n-channel transistor. The circuit also includes an output terminal, an inverter coupled between the precharge node and the output terminal and feedback circuitry coupled between the output terminal and coupled to the second switch to provide the charge state of the precharge node to the second switch. The circuit further includes a pair of transistors having serially connected current paths, the serially connected current paths being coupled between the precharge node and a reference source.

REFERENCES:
patent: 4700086 (1987-10-01), Ling et al.
patent: 4914326 (1990-04-01), Kikuda et al.
patent: 5015890 (1991-05-01), Murakami et al.
patent: 5457404 (1995-10-01), Sharpe-Geisler
patent: 5831452 (1998-11-01), Nowak et al.

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