BUY LM2901EDR2G https://www.utsource.net/itm/p/7529638.html
Comparator General Purpose
Description: The LM2901EDR2G is a quad single-supply comparator in a 14-pin SOP package. Features: Low power consumption Input common-mode voltage range extends to ground Outputs can be wired for wired-OR or wired-AND operation Outputs can be connected directly to TTL or CMOS logic Low input bias current Low input offset voltage Low output saturation voltage Applications: Voltage monitoring Temperature sensing Motor speed sensing Level sensing Pulse width modulation Pulse position modulation (For reference only)