Design and analysis of digital data recovery circuits using oversampling

S. J. Jou, C. H. Lin, Y. H. Chen, Z. H. Li

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


A performance evaluation and circuit architecture for all-digital data recovery using an oversampling method is proposed. The architecture is very regular and hence very suitable for standard-cell implementation flow. Due to its feedforward architecture, the required bit-rate can be achieved through proper pipelining. These properties make the proposed architecture very suitable as soft silicon intellectual property. Analysis of BER due to the combined effects of the key design parameters like data jitter, clock jitter and oversampling ratio in the oversampling technique are carried out. Thus different specifications of data recovery can be designed with different design parameters. A module generator that can estimate the design parameters automatically is established. Design implementation shows the proposed all-digital data recovery circuit can achieve 3.07Gbit/s (post-layout) with 0.25m 2.5V CMOS technology standard-cell design and occupies 380×390m 2 chip area.

Original languageEnglish
Pages (from-to)93-101
Number of pages9
JournalIET Circuits, Devices and Systems
Issue number1
StatePublished - 2007


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