Datasheet
DEM 16214 SYH-LY    Product Specification 
Version: 5.1.2    PAGE:7 
7. BACKLIGHT ELECTRONICS/OPTICAL SPECIFICATIONS 
I f =  140  mA
nm
568
If= 140 mA
I f =  140  mA
98. 3
122. 8
30
cd/ m
2
nm
Vr =   8   V
If= 140 mA
3. 85
4. 05
4. 25
1. 40
V
mA
8. MAXIMUM ABSOLUTE POWER RATINGS 
Item  Symbol  Standard value 
Unit 
Power supply voltage(1)  V
DD
    -0.3 ~ +7.0 
V 
Power supply voltage(2)  V
LCD
 V
DD
-10.0 ~ V
DD
+0.3 
V 
Input voltage 
V
IN
 -0.3 ~ V
DD
+0.3 
V 
Operating temperature  Topr    -20 ~ +70 
°C 
Storage temperature 
Tstg 
  -25 ~ +75  °C 
9. ELECTRICAL CHARACTERISTICS 
9-1-1 DC Characteristics 
Standard Value 
Item  Symbol 
MIN TYP MAX 
Test 
Condition 
Unit 
Operating Voltage  V
DD 
4.7 5.0 5.3  -------  V 
I
DD1 
---- 0.7  1.0 
Ceramic oscillation 
fosc=250kHz 
Supply Current 
I
DD2 
---- 0.4  0.6 
Resistor oscillation 
external clock operation 
fosc=270kHz 
mA 
LCD Driving Voltage  V
LCD
 4.2  4.5  4.8  V
DD
-V5 V 










