The Texas Instruments LM339N is a quad differential comparator designed for level detection and sensing applications. It operates from a single supply voltage of 3.0V to 36V.
The Texas Instruments LM239N is a quad differential comparator designed for level detection, low-level sensing, and memory applications. It operates on single supply voltages from 3V to 36V.
The STMicroelectronics LM339N is a quad general purpose comparator designed for level detection and sensing applications. It operates from a single supply voltage of 3.0 V to 36 V.
The Texas Instruments TLC374CN is a quad differential comparator designed for general-purpose applications. It operates from a wide supply voltage range and offers fast response times.