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  • Double data rate serial encoder
    Patent number: 7315265
    Abstract: A double data rate serial encoder is provided. The serial encoder comprises a mux having a plurality of inputs, a plurality of latches coupled to the inputs of the mux, an enabler to enable the latches to update their data inputs, and a counter to select one of the plurality of inputs of the mux for output. In another aspect, the mux provides a glitch-less output during input transitions. The mux includes an output selection algorithm optimized based on a priori knowledge of an input selection sequence provided by the counter.
    Type: Grant
    Filed: November 23, 2005
    Date of Patent: January 1, 2008
    Assignee: Qualcomm Incorporated
    Inventors: George Alan Wiley, Brian Steele, Curtis D. Musfeldt