Advanced repeater with duty cycle adjustment
First Claim
Patent Images
1. A circuit comprising:
- first circuitry configured to drive an output signal responsive to an input signal;
second circuitry configured to selectably adjust a duty cycle of said output signal, wherein a drive level of said first circuitry is independent of said duty cycle; and
third circuitry configured to produce a delayed version of said input signal, characterized by a delay that is greater than a transition time of said first circuitry less a delay of said second circuitry.
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Abstract
An advanced repeater with duty cycle adjustment. In accordance with a first embodiment of the present invention, an advanced repeater includes an output stage for driving an output signal line responsive to an input signal and a plurality of active devices for selectably adjusting a duty cycle of the signal. The advanced repeater may further include circuitry for producing a delayed version of the signal.
147 Citations
20 Claims
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1. A circuit comprising:
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first circuitry configured to drive an output signal responsive to an input signal; second circuitry configured to selectably adjust a duty cycle of said output signal, wherein a drive level of said first circuitry is independent of said duty cycle; and third circuitry configured to produce a delayed version of said input signal, characterized by a delay that is greater than a transition time of said first circuitry less a delay of said second circuitry. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method comprising:
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receiving a transition of an input signal at a circuit input; responsive to a plurality of control signals, selectively adjusting a rise or a fall time of an output signal generally corresponding to said input signal; driving an output level corresponding to said transition, wherein said output level is independent of said rise or said fall time; and ceasing said driving prior to an arrival of a subsequent transition of said input signal. - View Dependent Claims (11, 12, 13, 14, 15)
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16. A circuit comprising:
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first circuitry configured to drive a rising edge transition on an output signal line; second circuitry configured to drive a falling edge transition on said output signal line; third circuitry configured to selectably adjust timing of said rising edge transition, fourth circuitry configured to selectably adjust timing of said falling edge transition, and wherein a drive level of said output signal line does not affect said timing of said rising edge transition. - View Dependent Claims (17, 18, 19, 20)
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Specification