Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1990-12-18
1992-11-24
Howell, Janice A.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307443, 307451, 307542, 307456, H03K 19013
Patent
active
051665514
ABSTRACT:
An output circuit for semiconductor integrated circuit includes an input terminal, an output terminal, a supply terminal, first and second transistors, and first and second drive circuits. One terminal of the first and second transistors are coupled to the power voltage terminal, and the other terminals thereof are coupled to the output terminal. The first drive circuit turns on the first transistor when voltage of the input terminal is in a different logical level from voltage of the supply terminal. The second drive circuit turns on the second transistor when voltage of the input terminal is in a different logical level from the voltage of the supply terminal, and turns off the second transistor when voltage of the output terminal is in the range between a predetermined threshold voltage and the voltage of the supply terminal.
REFERENCES:
patent: 4661727 (1987-04-01), Ferris et al.
patent: 4731553 (1988-03-01), Van Lehn et al.
patent: 4737665 (1988-04-01), Ovens
patent: 4740719 (1988-04-01), Taki
patent: 4918339 (1990-04-01), Shigeo et al.
patent: 4961010 (1990-10-01), Davis
patent: 5003205 (1991-03-01), Kohda et al.
Howell Janice A.
Ouellette Scott A.
Sharp Kabushiki Kaisha
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