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Part Number: IN44780

 

 

 

 

Description: The IZ44780 is a dot matrix liquid crystal display controller & driver LSI that displays alphanume...


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IN44780 General Description


The IZ44780 is a dot matrix liquid crystal display controller & driver LSI that displays alphanumerics, characters and symbols. It drives dot matrix LCD under microcomputer control. All functions needed for dot matrix LCD drive are internally provided on one chip.

IN44780 Maximum Ratings

Characteristic
Symbol
Value

Unit

Power Supply Voltage

VDD

- 0.3 ~ 7.0

V

Driver Supply Voltage
V1 ~ V5
VDD - 13.5 ~ VDD + 0.3
V
Input Voltage
VI
-0.3 ~VDD + 0.3
V
Operating Temperature
Ta
- 20 ~ + 75
Storage Temperature
Tstg
- 55 ~ + 125
Notes: Must keep the relation of VDD V1 V2 V3 V4 V5

IN44780 Features

• Internal Memory - Character Generator ROM: 8320 bits - Character Generator RAM: 512 bit - Display Data RAM: 80 x 8 bits for 80 digits
• Internal automatic reset circuit at power ON
• Internal oscillation circuit
• Power Supply Voltage: +5V ± 10%
• LCD Driving Voltage for display: 0 ~ -5V(V5)
• Duty factor selection (sselected by programs) 1/8 duty: 5 x 7 dots format 1 line, 1/11 duty: 5 x 10 dots format 1 line 1/16 duty: 5 x 7 dots format 2 line
• Bare chip available
• Pin-to-Pin replacement for KS0066, HD44780, SED1278

IN44780 datasheet

IN44780
PDF/DataSheet Download

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