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The HT 12E Encoder ICs are series of CMOS LSIs for Remote Control system applications. They are capable of Encoding 12 bit of information which consists of N address bits and 12-N data bits. Each address/data input is externally trinary programmable if bonded out.
The HT 12D ICs are series of CMOS LSIs for remote control system applications. This ICs are paired with each other. For proper operation a pair of encoder/decoder with the same number of address and data format should be selected. The Decoder receive the serial address and data from its corresponding decoder, transmitted by a carrier using an RF transmission medium and gives output to the output pins after processing the data.
Features
Encoder
18 PIN DIP
Operating Voltage : 2.4V ~ 12V
Low Power and High Noice Immunity CMOS Technology
Low Standby Current and Minimum Transmission Word
Built-in Oscillator needs only 5% Resistor
Easy Interface with and RF or an Infrared transmission medium
Miniml External Comonents
Decoder
Applications
Burglar Alarm, Smoke Alarm, Fire Alarm, Car Alarm, Security System
Garage Door and Car Door Controllers
Cordless telephone
Other Remote Control System
Compatibility
Compatible with RF Modules 433 MHz. Link :RF Modules (Tx + Rx Pair) 433 Mhz ASK
Downloads
HT12E Datasheet
HT12D Datasheet

18 PIN DIP, Operating Voltage : 2.4V ~ 12.0V
Low Power and High Noice Immunity, CMOS Technology
Low Stand by Current, Trinary address setting
Capable of Decoding 12 bits of Information
8 ~ 12 Address Pins and 0 ~ 4 Data Pins
Received Data are checked 2 times, Built in Oscillator needs only 5% resistor
VT goes high during a valid transmission
Easy Interface with an RF of IR transmission medium
Minimal External Components.