Electronic digital logic circuitry – Function of and – or – nand – nor – or not – Field-effect transistor
Reexamination Certificate
2006-03-21
2006-03-21
Le, Don (Department: 2819)
Electronic digital logic circuitry
Function of and, or, nand, nor, or not
Field-effect transistor
C326S119000, C326S093000
Reexamination Certificate
active
07015723
ABSTRACT:
A dynamic-static logical control element for signaling an interval between the end of a control signal and a logical evaluation provides a compact circuit for blocking the indication of a non-evaluated state of a dynamic logic gate until a control signal has ended. The control signal is connected to a precharge input of the control element and a summing node is connected to one or more evaluation trees and to the control element output via an inverter. The inverter is connected to an override circuit that forces the output of the control element to a state opposite the precharge state until the control signal has ended. The output of the control element then assumes a state corresponding to the precharge state until an evaluation occurs. The control element output thus produces a window signal indicating the interval between the end of the control signal and the evaluation.
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Chu Sam Gat-Shang
Klim Peter Juergen
Lee Michael Ju Hyeok
Paredes Jose Angel
Harris Andrew M.
International Business Machines - Corporation
Le Don
Salys Casimer K.
Weiss, Moy & Harris P.C.
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