HT12A/HT12EAbsolute Maximum Ratings Supply Voltage (HT12A) ..VSS-0.3V to VSS+5.5V Supply Voltage (HT12E) ...-0.3V to 13V Input Voltage ..VSS-0.3 to VDD+0.3V Storage Temperature ..-50°C to 125°C Operating Temperature ...-20°C to 75°C Note: These are stress ratings only. Stresses exceeding the range specified under ²Absolute Maximum Ratings² may cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliabil- ity. Electrical CharacteristicsHT12A Ta=25°C Test ConditionsSymbolParameterMin.Typ.Max.UnitVDDConditions VDD Operating Voltage ¾ ¾ 2.4 3 5 V 3V ¾ 0.1 1 mA ISTB Standby Current Oscillator stops 5V ¾ 0.1 1 mA 3V No load ¾ 200 400 mA IDD Operating Current fOSC=455kHz 5V ¾ 400 800 mA VOH=0.9VDD (Source) -1 -1.6 ¾ mA IDOUT Output Drive Current 5V VOL=0.1VDD (Sink) 2 3.2 ¾ mA VIH ²H² Input Voltage ¾ ¾ 0.8VDD ¾ VDD V VIL ²L² Input Voltage ¾ ¾ 0 ¾ 0.2VDD V D8~D11 Pull-high RDATA 5V VDATA=0V ¾ 150 300 kW Resistance HT12E Ta=25°C Test ConditionsSymbolParameterMin.Typ.Max.UnitVDDConditions VDD Operating Voltage ¾ ¾ 2.4 5 12 V 3V ¾ 0.1 1 mA ISTB Standby Current Oscillator stops 12V ¾ 2 4 mA 3V ¾ 40 80 mA IDD Operating Current No load, fOSC=3kHz 12V ¾ 150 300 mA VOH=0.9VDD (Source) -1 -1.6 ¾ mA IDOUT Output Drive Current 5V VOL=0.1VDD (Sink) 1 1.6 ¾ mA VIH ²H² Input Voltage ¾ ¾ 0.8VDD ¾ VDD V VIL ²L² Input Voltage ¾ ¾ 0 ¾ 0.2VDD V fOSC Oscillator Frequency 5V ROSC=1.1MW ¾ 3 ¾ kHz RTE TE Pull-high Resistance 5V VTE=0V ¾ 1.5 3 MW Rev. 1.20 4 February 20, 2009 Document Outline Features Applications General Description Selection Table Block Diagram Pin Assignment Pin Description Absolute Maximum Ratings Electrical Characteristics Functional Description Application Circuits Package Information Product Tape and Reel Specifications