This part is a kind of semiconductor called UPD16306A.
Function of this product has 64-Bit High Voltage CMOS Driver.
Manufacturers : NEC Electronics
Image and pinout :
Some of the text within the PDF file :
w w a D . w S a t e e h U 4 t m o .c w w w t a .D S a e h U 4 t e .c m o w w w .D a S a t e e h U 4 t m o .c [ ... ]
UPD16306A PDF Datasheet Download
