Electronic digital logic circuitry – Exclusive function – With field-effect transistor
Patent
1995-05-15
1996-11-19
Westin, Edward P.
Electronic digital logic circuitry
Exclusive function
With field-effect transistor
326 54, H03K 1921
Patent
active
055766374
ABSTRACT:
An exclusive OR circuit includes a first series circuit in which a source of a first pMIS transistor is connected to a positive-voltage power supply line. A drain of the first pMIS transistor is connected to a drain of a first nMIS transistor via a second nMIS transistor. The source of the first nMIS transistor is connected to a low-voltage power supply line via a fourth nMIS transistor. A second series circuit has a drain of a third nMIS transistor connected to a high-voltage power supply line via a second pMIS transistor. The source of the third nMIS transistor is connected to the source of a third pMIS transistor. The drain of the third pMIS transistor is connected to the low-voltage power supply line via a fourth pMIS transistor. The gates of the first and third nMIS transistors and the first and third pMIS transistors are connected to one another and provided with a first input. The gates of the second and fourth nMIS transistors and the second and fourth pMIS transistors are connected to one another and provided with a second input. The sources of the second and third nMIS transistors are connected to each other and provide the exclusive OR of the first and second inputs.
REFERENCES:
patent: 4424460 (1984-01-01), Best
patent: 4453096 (1984-06-01), Le Can et al.
patent: 4541067 (1985-09-01), Whitaker
Akaogi Takao
Hagiwara Ryoji
Itano Kiyoshi
Kasa Yasushi
Kawamura Shouichi
Fujitsu Limited
Roseen Richard
Westin Edward P.
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