Electronic digital logic circuitry – Clocking or synchronizing of logic stages or gates – Field-effect transistor
Reexamination Certificate
2005-09-06
2005-09-06
Tran, Anh Q. (Department: 2819)
Electronic digital logic circuitry
Clocking or synchronizing of logic stages or gates
Field-effect transistor
C326S097000, C326S098000
Reexamination Certificate
active
06940312
ABSTRACT:
An LSDL circuit is improved by having the data input function to control the pre-charging of the dynamic node. The clock signal no longer is coupled to the P channel FET used to pre-charge the dynamic node. Additionally an N channel FET (NFET) is added in parallel with the NFET coupled to the clock for evaluating the dynamic node. This NFET assures the dynamic node does not float when the data input is a logic one and the clock is a logic zero.
REFERENCES:
patent: 6496038 (2002-12-01), Sprague et al.
patent: 6717442 (2004-04-01), Campbell
Kuang Jente B.
Ngo Hung C.
Frankeny Richard F.
Salys Casimer K.
Tran Anh Q.
Winstead Sechrest & Minick P.C.
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