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PDF IZ44780 Data sheet ( Hoja de datos )
| Número de pieza | IZ44780 | |
| Descripción | By using segment common diriver 1Z0065 number of column increase to 400 | |
| Fabricantes | IK Semiconductor | |
| Logotipo |  |
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m TECHNICAL DATA
t4U.co IN44780DOT MATRIX LIQUID CRYSTAL DISPLAY
eeCONTROLLER & DRIVER
taShFEATURES
a• Internal Memory
.D- Character Generator ROM: 8320 bits
w- Character Generator RAM: 512 bit
ww- Display Data RAM: 80 x 8 bits for 80 digits
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
• Internal automatic reset circuit at power ON
• Internal oscillation circuit
m• Power Supply Voltage: +5V ± 10%
o• LCD Driving Voltage for display: 0 ~ -5V(V5)
.c• Duty factor selection (sselected by programs)
1/8 duty: 5 x 7 dots format 1 line,
U1/11 duty: 5 x 10 dots format 1 line
1/16 duty: 5 x 7 dots format 2 line
t4• Bare chip available
• Pin-to-Pin replacement for KS0066, HD44780,
eSED1278
• 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
eDESCRIPTION
hThe IZ44780 is a dot matrix liquid crystal display controller & driver LSI that displays alphanumerics,
characters and symbols.
SIt drives dot matrix LCD under microcomputer control. All functions needed for dot matrix LCD drive are internally
taprovided
on one chip.
aODERING INFORMATION
.DType
IZ44780 – 00
English
wIZ44780 – 01
English
wwIZ44780 – XX
CGROM
Numberal
Numberal
Custom font (XX – ROM code)
Russian
Japanese
mABSOLUTE MAXIMUM RATINGS
oCharacteristic
Symbol
Value
.cPower Supply Voltage
UDriver Supply Voltage
t4Input Voltage
eeOperating Temperature
hStorage 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
www.DataSNotes: Must keep the relation of VDD ≥ V1 ≥ V2 ≥ V3 ≥ V4 ≥ V5
Unit
V
V
V
oC
oC
1
1 page  
IZ44780
RS
R/ W
E
DB0 ~ DB7
VI H1
VIL1
t SU1
VIL1
tW
V I H1
VIL1
t H1
VIL1
t H1
tR
t SU2
t H2
VI H1
VIL1
Valid Data
tC
VI H1
VIL1
VIL1
(2) Read mode (Reading data from IZ44780 to MPU)
Characteristic
E Cycle Time
E Rise Time
E Fall Time
E Pulse Width (High, Low)
R/W and RS Set-up Time
R/W and RS Hold Time
Data Output Delay Time
Data Hold Time
Symbol
tC
tR
tF
tW
tSU1
tH1
tD
tH2
Test pin
E
E
E
E
R/W, RS
R/W, RS
DB0 ~ DB7
DB0 ~ DB7
Min
Typ
Max
Unit
500 ns
25 ns
25 ns
220 ns
40 ns
10 ns
120 ns
20 ns
5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet IZ44780.PDF ] | |
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