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A Baud-Rate Clock and Data Recovery With Collaborative Maximum-Eye Tracking Method
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- Authors
- Issue Date
- 2023-10
- Citation
- 2023 20th International SoC Design Conference, ISOCC, pp.113-114
- Abstract
- Baud-rate CDRs are preferred over 2x-oversampling CDRs in energy-efficient receivers. However, conventional baud-rate CDRs using sign-sign Mueller-Muller phase detectors suffer from sub-optimal timing locking point. Therefore, to overcome this issue, a maximum-eye tracking (MET) method that tracks optimal lock point has been introduced. This paper applies MET to multi-lane baud-rate CDR design. Comparing biased data levels of 4 lanes, it sets proper timing update ratio. As a result, the CDR has a lock point with maximum-eye height by collaborative MET algorithm. Also, it can reduce power consumption in multi-phase clocking. In comparison with prior art, it searches the optimal lock point more efficiently and fast.
- ISSN
- 2163-9612
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Related Researcher
- College of Engineering
- Department of Electrical and Computer Engineering
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