HT12E Encoder IC for Remote Control Systems

Features:

· Operating voltage
- 2.4V~5V for the HT12A
- 2.4V~12V for the HT12E
· Low power and high noise immunity CMOS
technology
· Low standby current: 0.1mA (typ.) at
V DD =5V
· HT12A with a 38kHz carrier for infrared
transmission medium
· Minimum transmission word
- Four words for the HT12E
- One word for the HT12A
· Built-in oscillator needs only 5% resistor
· Data code has positive polarity
· Minimal external components
· HT12A/E: 18-pin DIP/20-pin SOP package

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