Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Gokce Gurun0
Sanjeev K. Maheshwari0
Ajay M. Rao0
Wenbo Liu0
Date of Patent
July 2, 2024
0Patent Application Number
181727380
Date Filed
February 22, 2023
0Patent Citations
Patent Primary Examiner
Patent abstract
A phase detector circuit for use with a multi-level signaling communication protocol on a serial communication link is disclosed. The phase detector circuit employs multiple phase and logic circuits to detect data state changes between adjacent ones of voltage levels corresponding to different data states in the communication protocol, and generates early/late signals using the detected data state changes. The phase detector circuit statistically filters data state transitions between non-adjacent voltage levels to improve phase locking and reduce recovered clock jitter.
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