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Rf Decoder Ic Ht12d 18 Pin Dip



18 Dip HT12D RF Decoder IC is a decoder integrated circuit that belongs to 212 series of decoders. 18 Dip HT12D RF Decoder IC is mainly used for remote control system applications, like burglar alarm, car door controller, security system etc. It is mainly provided to interface RF and infrared circuits.  They are paired with 212 series of encoders. The chosen pair of encoder/decoder should have the same number of addresses and data format.
In simple terms, HT12D converts the serial input into parallel outputs. It decodes the serial addresses and data received by, say, an RF receiver, into parallel data and sends them to output data pins. The serial input data is compared with the local addresses three times continuously. The input data code is decoded when no error or unmatched codes are found. A valid transmission in indicated by a high signal at VT pin.
HT12D is capable of decoding 12 bits, of which 8 are address bits and 4 are data bits. The data on 4-bit latch type output pins remain unchanged until new is received.

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

Features of 18 Dip HT12D RF Decoder IC:

  • Low power and high noise immunity CMOS technology
  • Low standby current and minimum external components
  • Capable of decoding 12bits of information
  • Binary address setting
  • Valid transmission indicator

Specifications of 18 Dip HT12D RF Decoder IC:

  • 8 address bits and 4 data bits
  • Operating voltage range from 2.4V to 12V
  • The built-in oscillator needs only 5% resistor
  • Oscillator frequency of 150KHz
  • Operating temperature range from -20°C to 75°C


  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 HT12D RF Decoder IC

 HT12D Datasheet

Best Online Shopping website for 18 Dip HT12D RF Decoder IC in cheap price in Karachi, Lahore, Islamabad, Rawalpindi, Sukkur, Peshawar, Multan, Quetta, Faisalabad and all over Pakistan.

Rf Decoder Ic Ht12d 18 Pin Dip

Rf Decoder Ic Ht12d 18 Pin Dip

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