Dual-Loop Two-Step ZQ Calibration for Dynamic Voltage-Frequency Scaling in LPDDR4 SDRAM.
Chang-Kyo LeeJunha LeeKiho KimJin-Seok HeoJin-Hyeok BaekGil-Hoon ChaDaesik MoonDong-Hun LeeJong-Wook ParkSeunseob LeeSi-Hyeong ChoYoung-Ryeol ChoiKyung-Soo HaEunsung SeoYoun-Sik ParkSeung-Jun BaeIndal SongSeok-Hun HyunHyuck-Joon KwonYoung-Soo SohnJung-Hwan ChoiKwang-Il ParkSeong-Jin JangPublished in: IEEE J. Solid State Circuits (2018)