NJU6433B 查看數據表（PDF） - Japan Radio Corporation

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NJU6433B

1/4 DUTY LCD DRIVER

Japan Radio Corporation  

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-

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