System and method for adaptive duty cycle optimization

Details System and method for adaptive duty cycle optimization System and method for adaptive duty cycle optimization

2007-12-11

2007-12-11

Lam, Tuan T. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Rectangular or pulse waveform width control

C327S171000, C327S173000, C327S174000, C327S175000

Reexamination Certificate

active

10661225

ABSTRACT:
A system and method for configuring a receiver such that the duty cycle of the receiver clock accurately matches the duty cycle of the data signal received. This adaptive system and method calibrates a receiver's duty cycle to optimize the receiver timing margin for different data signal types and different slave devices. In one embodiment, a duty cycle correction circuit matches the receiver clock to a predetermined duty cycle. The receiver clock is then configured to have a duty cycle skewed from the predetermined duty cycle based on the specific data signal received. In a receiver system utilizing a clock tree, individual branches of the clock tree are configured to have respective duty cycles skewed to match the duty cycle of a data signal received from a specific transmitting device.

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patent: WO 2005/036399 (2005-04-01), None

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