Download the H66T68AA datasheet PDF.
This datasheet also covers the H66T68AA_Hi variant, as both devices belong to the same cmos lsi family and are provided as variant models within a single manufacturer datasheet.
Note: The manufacturer provides a single datasheet file (H66T68AA_Hi-SincerityMocroelectronics.pdf) that lists specifications for multiple related part numbers.
H66T68AA Datasheet
