Multiplex communications – Wide area network – Packet switching
Patent
1982-12-09
1984-12-04
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
307243, H04J 1500
Patent
active
044868804
ABSTRACT:
A multiplexer comprises a select circuit having a plurality of OR gates responsive to digital select signals. Transistors within the OR gates are collector dotted and provide a plurality of select circuit outputs to a plurality of AND gates which are also responsive to a plurality of input signals. The collector dotting of the four OR gates of the select circuit provides a multiplexer having a single gate delay of data transmission. The multiplexer consumes less current by having only a single current source for the AND gates.
REFERENCES:
patent: 3838296 (1974-09-01), McLeod
Jeffery Philip A.
Reed L. J.
Spangler Harold L.
Koch William E.
Motorola Inc.
Olms Douglas W.
Rokoff Kenneth I.
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