DRAM-based LIDAR pixel
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United States of America
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Mar 25, 2025
Grant Date -
Jul 29, 2021
app pub date -
Jan 22, 2021
filing date -
Jan 22, 2021
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Abstract
A Light Detection and Ranging (LIDAR) detector circuit includes a memory device comprising a non-transitory storage medium that is configured to store data indicative of detection events in respective memory bins, and at least one control circuit. The at least one control circuit is configured to receive detection signals from one or more photodetector elements, identify a presence or an absence of detection events indicated by the detection signals during a portion of time between pulses of an emitter signal output from a LIDAR emitter element, and execute one of a first memory operation or a second memory operation to update the data in the respective memory bins responsive to identification of the presence or the absence of the detection events, respectively. Related circuits and methods of operation are also discussed.
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