■ GENERAL DESCRIPTION
The NJU3551 is the C-MOS 4-bit Single Chip OTP type Micro Controller with programmable Flash Memory.
It is completely compatible with the NJU3501 in function and the pin configuration. Therefore, the NJU3551 is suitable for the final evaluation before NJU3501 mask generation, the small quantity production and short lead-time.

■ FEATURES
● Internal One Time Programmable ROM 512 X 8bits
● Internal Data RAM 64 X 4bits
● Wide operating voltage range 2.7V ~ 5.5V
● Package outline DIP20 / SOP20
● ROM programmer “SUPERPRO/L” by XELTEK co,.