DM5493A Datasheet
(DM5490A / DM5493A) Decade and Binary Counters
Manufacturer: National Semiconductor (now Texas Instruments)
Download the DM5493A datasheet PDF.
This datasheet also includes the DM5490A variant, as both parts are published together in a single manufacturer document.
Note: The manufacturer provides a single datasheet file (DM5490A_NationalSemiconductor.pdf) that lists specifications for multiple related part numbers.