Abstract: A semiconductor logic element is provided which is capable of a plurality of logic operations. The semiconductor logic element includes a semiconductor substrate on which is disposed at least three control electrodes and an output electrode for outputting signals in response to inputs to said control electrodes, making it possible to significantly reduce the number of elements constituting a logic circuit and to provide high speed processors and electronic computers. Logic circuitry and apparatus using the semiconductor logic elements are also provided.
Type:
Grant
Filed:
September 8, 1997
Date of Patent:
August 1, 2000
Assignee:
Hitachi, LLP
Inventors:
Tatsuya Teshima, Hiroshi Mizuta, Ken Yamaguchi