The µPD78F0078 is a product of the µPD780078 Subseries in the 78K/0 Series, and equivalent to the µPD780078 with a flash memory in place of internal ROM.
The µPD78F0078Y is a product of the µPD780078Y Subseries in the 78K/0 Series, and equivalent to the µPD780078Y with a flash memory in place of internal ROM. This device can be programmed without being removed from the substrate.