Analog Devices,inc.

Analog Devices International Unlimited Company

Lewis Malaver

Piotr Olejarz

Ara Arakelian

A clock alignment detector described herein can detect alignment between clock signals within a defined margin of error, such as a defined margin of phase error. The margin of phase error can be varied to achieve various degrees of lock detection precision. Clock alignment detector can detect alignment between rising edges of the clock signals, falling edges of the clock signals, or both the rising and falling edges of the clock signals. The clock alignment detector can be implemented as a lock detector for a phase-locked loop that is configured to detect and maintain a phase relationship between a reference clock signal and a feedback clock signal, where the clock alignment detector detects alignment between the reference clock signal and the feedback clock signal.

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Lewis Malaver