AUTHOR=Humood Khaled , Pan Yihan , Reynolds Grahame , Mughal Mohammed , Wang Shiwei , Serb Alexander , Prodromakis Themis TITLE=SPIKA: an energy-efficient time-domain hybrid CMOS-RRAM compute-in-memory macro JOURNAL=Frontiers in Electronics VOLUME=Volume 6 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/electronics/articles/10.3389/felec.2025.1567562 DOI=10.3389/felec.2025.1567562 ISSN=2673-5857