The Texas Instruments LM211DR is a single high-speed differential comparator with strobes. It offers a fast response time of 165 ns and can operate from a single 5-V supply.
The LM211DG4 is a comparator from Texas Instruments with a single element, designed for general purpose applications. It features a typical voltage of 3mV at ±15V and operates within a temperature range of -40°C to 85°C.