Efficient digit-serial FIR filters with skew-tolerant domino

Sungwook Kim, Gerald E. Sobelman

Research output: Contribution to journalArticlepeer-review


A novel connection between digit-serial computation and skew-tolerant domino circuit design is exploited to create very efficient implementations of FIR digital filters. In our approach, a digit size of N bits is mapped onto an N-phase overlapping clocking scheme in such a way that N bits are processed in each full clock cycle. In addition, a VHDL-based verification strategy is used to capture the essential time-borrowing behavior of skew-tolerant domino circuits in an accurate and efficient manner. The simulation results show that an 8-tap digit-serial FIR filter constructed with skew-tolerant domino is up to 36% faster than one built using traditional domino circuits.

Original languageEnglish (US)
Pages (from-to)369-372
Number of pages4
JournalProceedings - IEEE International Symposium on Circuits and Systems
StatePublished - 2002


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