NJU6433BFH1 Datasheet, PDF (1/12 Pages) New Japan Radio – 1/4 DUTY LCD DRIVER

1/4 DUTY LCD DRIVER
NJU6433B
PRELIMINARY
GENERAL DESCRIPTION
The NJU6433B is a 1/4 duty LCD driver for segment type
LCD panel.
The LCD driver consists of 4-common and 50-segment
drives up to 200 segments.
The NJU6433B is useful for the digital tuning system or
others segment type display driver.
PACKAGE OUTLINE
NJU6433BFH1
FEATURES
50 Segment Drivers
Duty Ratio 1/4 (Up to 200-Segments)
Serial Data Transmission (Shift Clock 2MHz max.)
Oscillation Circuit On-chip (External Resistance Required)
Display Off Function (INHb Terminal)
Operating Voltage
2.4 to 5.5V
LCD Driving Voltage
6.5V Max.
Package Outline
Chip, QFP64-H1
C-MOS Technology
NJU6433BC
BLOCK DIAGRAM
Common Driver
Latch Circuit / Segment Driver
OSC1
OSC2
VDD
VLCD
VSS
INHb
CE
DATA
MODE
SCL
Oscillation
Divider
LCD Driving
Voltage Circuit
Shift
Shift
Shift
Shift
Input _Register4 Input _Register3 Input _Register2 Input _Register1
Select _50-bit Select _50-bit Select _50-bit Select _50-bit
Reset
Circuit
Input Select Circuit
Decoder
Shift Register
Control Circuit
Ver.2012-10-23
-1-