DM54S241 Datasheet
Buffers / Lind Drivers / Line Receivers
Manufacturer: National Semiconductor (now Texas Instruments)
Download the DM54S241 datasheet PDF.
This datasheet also includes the DM54S240 variant, as both parts are published together in a single manufacturer document.
Note: The manufacturer provides a single datasheet file (DM54S240-NationalSemiconductor.pdf) that lists specifications for multiple related part numbers.