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HT12D 12-Bit Decoder IC (HT12D IC) DIP-18 Package

HT12D 12-Bit Decoder IC (HT12D IC) DIP-18 Package

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T12D is a CMOS technology-based 12-bit Decoder. It is generally used with RF communication system applications. 12-bit Decoders can decode up to 2^12 encoded data which is coming from the RF transmitter. This decoded data consists of 8 address bits and 4 data bits. For proper communication, HT12D is should be used with HT12E in the same address and data formate. This device consists of one data input pin that receives the encoded data from the RF receiver pin. Two oscillators pin (OSC1, OSC2) can decide the oscillation frequency of the Decoder by using an oscillator resistor. On proper communication, the Valid Transmission pin (VT) goes High. The HT12D ICs have an operating range of VCC from 2.4 V to 12 V. Maximum current consumption is 0.4 mA through Icc and output sink and source current is 1.6 mA. The recommended operating voltage is 5 V. 

Features

  • 12-bit Decoder IC to be used with HT12E
  • Decoded data has 4 Data bits and 8 Address bits (8+4=12-bits)
  • Commonly used for RF and IR wireless transmission
  • Operating Voltage 5V
  • Low standby current of 0.1uA at Vcc=5V
  • Available in 16-pin DIP, 20-pin SOP

Application

  • 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

 

Specification
Operating Voltage Range 2.4 V to 12 V
Technology CMOS
Package DIP−18
Output Current 1.6 mA
Powering Current 0.4 mA
Temperature Range -50 °C - 125 °C
Country of Origin China


Pin Description


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