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RF Encoder IC HT12E 18 Dip

List price: Price=150
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18 Dip HT12E RF Encoder IC is a series of CMOS LSIs for remote control system applications. 18 Dip HT12E RF Encoder IC is capable of encoding information which consists of N address bits and 12N data bits. Each address/data input can be set to one of the two logic states. The programmed addresses/data are transmitted together with the header bits
via an RF or an infrared transmission medium upon receipt of a trigger signal. The capability to select a TE trigger on the HT12E or a DATA trigger on the HT12A further enhances the application flexibility of the 212 series of encoders. The HT12A additionally provides a 38kHz carrier for infrared systems.

We have also PIC18F2550 USB Microcontroller, PIC18f452 Microcontroller, PIC18F452 Microcontroller etc.

Features of 18 Dip HT12E RF Encoder IC:

  • Data code has a positive polarity
  • Easy Interface with and RF or an Infrared transmission medium
  • A secure and robust protocol
  • Ideal for remote control and security applications
  • Compatible with the HT12D decoder IC
  • Minimal External Components
  • Built-in Oscillator needs only 5% Resistor

Specifications of 18 Dip HT12E RF Encoder IC:

  1. 18-pin DIP
  2. Operating Voltage : 2.4V ~ 12V
  3. Low Power and High Noise Immunity, CMOS Technology
  4. Low Standby Current: 0.1uA (Typ.) at VDD=5V
  5. Minimum Transmission Word: 4 


  1. Used to convert Parallel 4-bit data  to series data
  2. Highly useful in wireless communication projects involving RF or IR
  3. Remote controlled systems like garage doors, Car alarm system, Car door controls etc.
  4. Can be used in Home automation for short-range remote switching
  5. Safety systems like Burglar alarm system, Smoke or Fire alarm system etc

Package Includes:

1 x 18 Dip HT12E RF Encoder IC

 HT12E Datasheet

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Working Flowchart of HT12E

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