HT12E chip

The HT12E is an encoder IC from Holtek Semiconductor designed for remote control applications. It is widely used in wireless communication systems to encode and transmit data over RF or infrared links. The HT12E is compatible with the HT12D decoder IC, making it a popular choice for remote control systems in various consumer electronics, home automation, and security systems.

Key Features:

• Data Encoding: Encodes 12-bit address and 4-bit data for secure transmission
• Low Power Consumption: Ideal for battery-operated devices
• Wide Operating Voltage: Operates from 2.4V to 12V
• Easy Integration: Compatible with HT12D decoder IC
• On-Chip Oscillator: Requires minimal external components
• Multiple Transmission Options: Suitable for RF and infrared communication

Technical Specifications:

• Operating Voltage: 2.4V to 12V
• Address Bits: 12
• Data Bits: 4
• Oscillator Frequency: Adjustable via external resistor (typically 3kHz to 1MHz)
• Standby Current: Less than 1µA at 5V
• Package Type: DIP-18 and SOP-18
• Operating Temperature Range: -20°C to +70°C

Applications:

• Remote control systems
• Home automation
• Wireless security systems
• Garage door openers
• Consumer electronics
• Toy controllers

Usage:

1. Configure the 12 address pins to match the address of the corresponding HT12D decoder.
2. Connect the 4 data pins to the desired input signals.
3. Connect an appropriate resistor to the oscillator pin to set the desired frequency.
4. Connect the VT pin to the transmission medium (RF module, infrared LED, etc.).
5. Apply power to the chip and begin data transmission by changing the states of the data pins.

Caution:

• Ensure correct power supply voltage to avoid damaging the chip.
• Match the address pins on the HT12E and HT12D to ensure proper communication.
• Protect the chip from electrostatic discharge (ESD) during handling.

Datasheet:
For detailed technical specifications, refer to the HT12E Datasheet.