BUY LM3146M https://www.utsource.net/itm/p/419897.html
LM3146 High Voltage Transistor Array
Description: The LM3146M is a high-speed, low-power, low-voltage comparator with an open-drain output. Features: Low Supply Voltage: 2.7 V to 5.5 V Low Supply Current: 0.7 μA (typical) Low Input Bias Current: 0.5 pA (typical) High Speed: 1.2 ns (typical) Open-Drain Output Applications: Battery-Powered Systems Automotive Systems Portable Electronics Industrial Control Systems Medical Devices Data Acquisition Systems (For reference only)