A Note: tolerance is Unit: mm 0.3 unless otherwise noted. Parameter Supply voltage Input voltage LCD Drive Voltage Operating current H L Symbol V DD -V SS V IH V IL I DD Standard Values Min. 4.5 2.2 -0.3 Typ. 5.0 4.7 1.2 Max 5.5 V DD 0.6 3.0 mA V Unit Free Datasheet http://www.datasheet4 .