Datasheet
DEM 16227 SYH-LY Product Specification
VERSION: 2 PAGE: 3
5. PIN DESCRIPTION
No. Symbol Function
1
VDD Power supply for Logic(+5V)
2 VSS Power ground (0V)
3 V0 Power supply for LCD drive
4 RS Register selection (H: Data register , L :Instruction register)
5 R/W Read/write selection (H: Read , L: Write)
6 E Enable signal.
7~14
DB0~DB7
Data Bus line
A LED (A) Power supply for Backlight
K LED (K) Power supply for Backlight
6. MAXIMUM ABSOLUTE LIMIT
Item
Symbol MIN MAX Unit
Supply Voltage for Logic VDD -0.3 7.0 V
Supply Voltage for LCD V0 VDD-12.0 VDD+0.3 V
Input Voltage Vin -0.3 VDD+0.3 V
Supply Current (without B/L) IDD (Ta = 25°C) --- 3 mA
Operating Temperature Top -20 70 °C
Storage Temperature Tst -30 80 °C
7. BACKLIGHT CHARACTERISTICS
LCD Module with array LED Backlight
ELECTRICAL RATINGS
Ta = +25°C
Item
Symbol
Condition
Min
Typ
Max
Unit
Forward Voltage
Vf If=120mA 4.0 4.2 4.4 V
Reverse Current
Ir Vr=10V --- 120 600 uA
Luminous Intensity (With
LCD dots off)
Lv If=120mA --- --- --- cd/m
2
Wave
length
λρ If=120mA --- 570 --- nm
Color
Yellow-Green










