Datasheet HT12D, HT12F (Holtek) - 3

HT12D/HT12F Approximate internal connection circuits
N M O S T r a n s m i s s i o n G a t e C M O S O U T C M O S I N O s c i l a t o r E N O S C 1 O S C 2
Absolute Maximum Ratings
Supply Voltage ..-0.3V to 13V Storage Temperature ..-50°C to 125°C Input Voltage ..VSS-0.3 to VDD+0.3V 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 Characteristics
Ta=25°C
Test Conditions Symbol Parameter Min. Typ. Max. Unit VDD Conditions
VDD Operating Voltage ¾ ¾ 2.4 5 12 V 5V ¾ 0.1 1 mA ISTB Standby Current Oscillator stops 12V ¾ 2 4 mA IDD Operating Current 5V No load, fOSC=150kHz ¾ 200 400 mA Data Output Source Current (D8~D11) 5V VOH=4.5V -1 -1.6 ¾ mA IO Data Output Sink Current (D8~D11) 5V VOL=0.5V 1 1.6 ¾ mA VT Output Source Current VOH=4.5V -1 -1.6 ¾ mA IVT 5V VT Output Sink Current VOL=0.5V 1 1.6 ¾ mA VIH ²H² Input Voltage 5V ¾ 3.5 ¾ 5 V VIL ²L² Input Voltage 5V ¾ 0 ¾ 1 V fOSC Oscillator Frequency 5V ROSC=51kW ¾ 150 ¾ kHz Rev. 1.20 3 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