Electronic digital logic circuitry – Interface – Current driving
Patent
1998-06-03
2000-08-29
Tokar, Michael
Electronic digital logic circuitry
Interface
Current driving
326 91, 326 86, H03K 190175, H03K 19094
Patent
active
061114332
ABSTRACT:
Method and circuitry for differential output driver with monotonic output transitions. The switching sequence for the output driver transistors of the differential driver changes depending on the direction of the input signal transition. When the input makes a binary transition from high to low, each one of the output driver transistors is switched on or off at a different time based on a first predetermined sequence. When the input makes the opposite binary transition (low to high), each one of the output driver transistors is switched on or off at a different time based on a second predetermined sequence that is different than the first sequence. The predetermined sequences are designed to eliminate any possibility of a glitch or non-monotonic behavior at the output terminals.
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Farzan Bahman
Fotouhi Bahram
Chang Daniel D.
Exar Corporation
Tokar Michael
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