CMOS 3D-Stacked FSI Multi-Channel Digital SiPM for Time-of-Flight Vision Applications - Francesco Gramuglia; Andrada Muntean; Esteban Venialgo; Myung-Jae Lee; Scott Lindner; Makoto Motoyoshi; Andrei Ardelean; Claudio Bruschini; Edoardo Charbon (2021 International Image Sensor Workshop, 2021)