# A 23-<i>μ</i>W Keyword Spotting IC With Ring-Oscillator-Based Time-Domain Feature Extraction

> Research article (IEEE Journal of Solid-State Circuits, 2022) · cited 37× · AI/ML

**Wikidata**: [openalex:W4289597973](https://www.wikidata.org/wiki/openalex:W4289597973)  
**Source**: https://4ort.xyz/entity/a-23-i-i-w-keyword-spotting-ic-with-ring-oscillator-based-time-domain-feature-extraction