Download the TMP86CH29F datasheet PDF.
This datasheet also covers the TMP86CH29U variant, as both devices belong to the same (tmp86cx29x) cmos 8-bit microcontroller family and are provided as variant models within a single manufacturer datasheet.
Note: The manufacturer provides a single datasheet file (TMP86CH29U_ToshibaSemiconductor.pdf) that lists specifications for multiple related part numbers.