HT12E & HT12D ENCODER DECODER IC
You are buying one HT12E (RF Encoder) and one HT12D (RF Decoder).
HT12E is used to encode the data for RF Transmitter and HT12D is used to decode the data received by RF receiver.
Product Features
The HT12E Encoder ICs are series of CMOS LSIs for Remote Control system applications. They are capable of Encoding 12 bit of information which consists of 8 address bits and 4 data bits. Each address and data input is externally programmable or fed in using switches.
The HT12D Decoder ICs are series of CMOS LSIs for Remote Control system applications. These 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 (HT12E is paired with HT12D). The Decoder receive the serial address and data, transmitted by a carrier using an RF transmission medium and gives output to the output pins after processing the data.
HT12E (RF Encoder)
18-pin DIP
Operating Voltage : 2.4V ~ 12V
Low Power and High Noise Immunity, CMOS Technology
Low Standby Current : 0.1uA (typ.) at VDD=5V
Minimum Transmission Word = 4
Built-in Oscillator needs only 5% Resistor
Data code has positive polarity
Easy Interface with and RF or an Infrared transmission medium
Secure and robust protocol
Ideal for remote control and security applications
Compatible with the HT12D decoder IC
Minimal External Components
HT12D (RF Decoder)
18-pin DIP
Operating Voltage : 2.4V ~ 12.0V
Low Power and High Noise Immunity, CMOS Technology
Low Stand by Current : 0.1uA (typ.) at VDD=5V
Capable of Decoding 12 bits of Information
8 ~ 12 Address Pins and 0 ~ 4 Data Pins
Received Data are checked 3 times
Built in Oscillator needs only 5% resistor
VT goes high during a valid transmission
Easy Interface with an RF or an Infrared transmission medium
Secure and robust protocol
Ideal for remote control and security applications
Compatible with the HT12E encoder IC
Minimal External Components
Applications
Wireless Security Systems.
Burglar Alarm Systems
Smoke Alarm Systems
Fire Alarm Systems
Car Security / Alarm Systems and
Garage Door Controllers and
Car Door Controllers and
Cordless Telephone Systems
Other Remote Control Systems
Automation Systems
Sensor Reporting Systems
Remote Keyless Entry
Supports All Wireless Applications using 8051/AVR/PIC/ARM Microcontrollers (Using RF Transmitter – Receiver Pair)
HT12E & HT12D ENCODER DECODER IC
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