The LM239D is a comparator with four differential channels, designed for high-speed switching applications. It operates over a temperature range of -25°C to 85°C and comes in a 14-SOIC surface-mount package.
The Texas Instruments LM239DR is a quad differential comparator IC featuring 4 channels and an open-collector output. It operates within a temperature range of -25°C to 85°C and is housed in a 14-SOIC package.
The Texas Instruments LM239DRG3 is a quad differential comparator IC housed in a 14-SOIC package. It operates over a temperature range of -25°C to 85°C.
