UM3272 Datasheet
(UM3262 / UM3272) Analog Alarm Clock Circuits
Manufacturer: United Microelectronics
Download the UM3272 datasheet PDF.
This datasheet also includes the UM3262 variant, as both parts are published together in a single manufacturer document.
Note: The manufacturer provides a single datasheet file (UM3262_UnitedMicroelectronics.pdf) that lists specifications for multiple related part numbers.