Features

 Operating voltage: 2.4V~12V

 Low power and high noise immunity CMOS

technology

 Low standby current

 Capable of decoding 12 bits of information

 Pair with Holteks 2

12

series of encoders

 Binary address setting

 Received codes are checked 3 times

 Address/Data number combination

 HT12D: 8 address bits and 4 data bits

 HT12F: 12 address bits only

 Built-in oscillator needs only 5% resistor

 Valid transmission indicator

 Easy interface with an RF or an infrared

transmission medium

 Minimal external components

Applications

 Burglar alarm system

 Smoke and fire alarm system

 Garage door controllers

 Car door controllers

 Car alarm system

 Security system

 Cordless telephones

 Other remote control systems