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Teilenummer | IN44780 |
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Beschreibung | DOT MATRIX LIQUID CRYSTAL DISPLAY CONTROLLER & DRIVER | |
Hersteller | Integral | |
Logo | ||
Gesamt 10 Seiten www.DataSheet4U.com
TECHNICAL DATA
DOT MATRIX LIQUID CRYSTAL DISPLAY
CONTROLLER & DRIVER
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
FUNCTION
• Character type dot matrix LCD driver & controller
• Internal driver: 16 common and 40 segment signal output
• Display character format: 5 x 7 dots + cursor,
5 x 10 dots + cursor
• Easy interface with a 4-bit or 8-bit MPU
• Display character pattern:
5 x 7 dots format: 192 kinds, 5 x 10 dots format: 32 kinds
• The special character pattern can be programmable by
Character Generator RAM directly
• A customer character pattern can be programmable by mask
option
• Wide range of instruction function:
Display clear, Cursor home, Display ON/OFF, Display shift
Cursor ON/OFF, Display character blink, Cursor shift
DESCRIPTION
DataSheet4U.com
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.
DataShee
ODERING INFORMATION
Type
IZ44780 – 00
English
IZ44780 – 01
English
IZ44780 – XX
CGROM
Numberal
Numberal
Custom font (XX – ROM code)
Russian
Japanese
ABSOLUTE MAXIMUM RATINGS
Characteristic
Symbol
Value
Power Supply Voltage
Driver Supply Voltage
Input Voltage
Operating Temperature
Storage Temperature
VDD
V1 ~ V5
VI
Ta
Tstg
- 0.3 ~ 7.0
VDD - 13.5 ~ VDD + 0.3
-0.3 ~VDD + 0.3
- 20 ~ + 75
- 55 ~ + 125
Notes: Must keep the relation of VDD ≥ V1 ≥ V2 ≥ V3 ≥ V4 ≥ V5
Unit
V
V
V
oC
oC
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1
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IZ44780
RS
R/ W
E
DB0 ~ DB7
V I H1
VIL1
t SU
tW
VI H1
VIL1
tR
tD
VI H1
VIL1
tH
VIL1
tH
tF
VIL1
t DH
V I H1
VIL1
Valid Data
tC
V I H1
VIL1
VIL1
(3) Interface mode with HD44100, KS0065
et4U.com
Characteristic
Clock Pulse Width High
Clock Pulse Width Low
Data Set-up Time
Data Hold Time
Clock Set-up Time
M Delay Time
Symbol
tWCKH
tWCKL
tSU
tDH
tCSU
tDM
Test pin
CLK
DataSChLeKet4U.com
D
D
CLK
M
Min
800
800
300
300
500
-1000
Typ
Max
Unit
ns
ns DataShee
ns
ns
ns
1000
ns
CL K 1
CL K 2
D
M
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DataSheet4 U .com
0.9VDD
0.9VDD
0.1VDD
t WCKH
t CSU
0.9VDD
t CSU
t WCKH
0.1VDD
0.9VDD
t WCK1
0.1VDD
0.9VDD
0.1VDD
t SU
0.9VDD
0.1VDD
t DM
0.9VDD
t DM
6
6 Page | ||
Seiten | Gesamt 10 Seiten | |
PDF Download | [ IN44780 Schematic.PDF ] |
Teilenummer | Beschreibung | Hersteller |
IN44780 | DOT MATRIX LIQUID CRYSTAL DISPLAY CONTROLLER & DRIVER | Integral |
IN44780U | DOT MATRIX LIQUID CRYSTAL DISPLAY CONTROLLER & DRIVER | Integral |
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