PIN function NO.SymbolFunction description1VDDPower supply LED2DOUTControl data signal output3VSSGround4DINControl data signal inputAbsolute Maximum Ratings PrameterSymbolRatingsUnitPower supply voltageVDD+3.5~+5.3VInput voltageVI-0.5~VDD+0.5VOperation junction temperatureTopt-25~+80 Storage temperature rangeTstg-40~+105 Electrical Characteristics(TA=-20~+70,VDD=4.5~5.5V,VSS=0V,unless otherwise