User`s manual

RabbitFLEX User’s Manual www.rabbit.com 149
Electrical Characteristics
Item Symbol Condition Min Typ Max
Input Voltage (high) Vih H Level 2.2 V — Vdd
Input Voltage (low) Vil L Level 0 V — 0.6 V
Recommended LCD
Driving Voltage (Standard
Temp.)
Vdd - Vo
0°C — 4.8 V 5.4 V
25°C 4.2 V 4.6 V —
50°C 3.9 V 4.3 V —
Recommended LCD
Driving Voltage (Wide
Temp.)
Vdd - Vo
-20°C — 6.4 V 7.2 V
0°C — 4.8 V —
50°C — 4.3 V —
70°C 3.7 V 4.2 V —
Power Supply Current Idd
Vdd = 5.0 V
ν = 270 kHz
— 0.5 mA 1.0 mA
LED Backlight Voltage Vf R = 6.8 Ω — 4.6 V 5.0 V
LED Backlight Current If R = 6.8 Ω — 240 mA 480 mA