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Total Incorporation of Tie Up/Down Feature Into FCMI Multiplexer Design Disclosure Number: IPCOM000035827D
Original Publication Date: 1989-Aug-01
Included in the Prior Art Database: 2005-Jan-28

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Staddon, D [+details]


Traditional CMOS multiplexer designs do not require the select lines to be mutually exclusive, but run the risk of requiring potentially high stacks which degrade performance. A basic FCMI multiplexer design reduces the risk of potentially high stacks, but requires the select lines to be mutually exclusive. Through a hybrid combination of these multiplexer design approaches, the overall performance is improved and the tie up/down feature is internal to the FCMI multiplexer without requiring the tie up/down pin to be mutually exclusive with the other select pins, at a minimal to zero increase in size.