One-level zero-current-state exclusive or (XOR) gate

Details One-level zero-current-state exclusive or (XOR) gate One-level zero-current-state exclusive or (XOR) gate

2005-08-16

2005-08-16

Cho, James H. (Department: 2819)

Electronic digital logic circuitry

Exclusive function

Exclusive nor

C326S055000, C326S104000

Reexamination Certificate

active

06930512

ABSTRACT:
Aspects of the invention provide a fast one level zero-current-state XOR gate. An embodiment of the invention provides a first pair of differentially configured transistors and a level shifting resistor coupled to the first pair of differentially configured transistors. The one level zero-current-state XOR gate may also include a second pair of differentially configured transistors. A core of the XOR gate may be coupled to outputs of the first and the second pairs of differentially configured transistors.

REFERENCES:
patent: 5250860 (1993-10-01), Chu et al.
patent: 5252865 (1993-10-01), Davenport et al.
patent: 5391938 (1995-02-01), Hatsuda

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