GENERAL DESCRIPTION
The NJU6446 is a serial input, 80-out segment driver for dot matrix LCDs, especially useful as extension driver for LCD controller drivers. It consists of bidirectional shift register, 80-bit latch, and 80-out high voltage LCD drivers.
The bidirectional shift register performs the efficient extension driver allocation according to the number of character and easy wiring with the LCD panel.
As the 80-driver has 4 level voltage input to drive the LCD, adjustable driving voltage according to the LCD panel can be supplied from the external power source.