HT12E RF Encoder IC DIP-18 – 2^12 Remote Control Encoder

HT12E RF Encoder IC – 2^12 Series Remote Control Encoder DIP-18

Buy the HT12E RF Encoder IC DIP-18 online in Pakistan from Robostan.pk. The HT12E is a low-power CMOS remote control encoder IC designed for wireless remote control systems, RF transmitter circuits, security alarms, automation projects, and electronic switching applications.

Developed by Holtek Semiconductor, the HT12E belongs to the popular 2^12 series of encoder ICs. It converts parallel address and data inputs into an encoded serial signal suitable for transmission through a compatible external RF transmitter module.

Featuring 8 dedicated address inputs, 4 address/data inputs, an operating voltage range of 2.4V to 12V, and a transmission enable function, this encoder provides a convenient solution for building simple wireless remote control systems.

Key Features

• HT12E 2^12 series CMOS remote control encoder
• 18-pin DIP through-hole package
• 8 dedicated address input pins (A0-A7)
• 4 configurable address/data inputs (AD8-AD11)
• Supports 12-bit encoded transmission words
• Operating voltage range from 2.4V to 12V DC
• Low-power CMOS semiconductor technology
• Low standby current consumption
• High noise immunity
• Built-in RC oscillator requiring an external resistor
• Active-low Transmission Enable (TE) input
• Serial encoded data output (DOUT)
• Minimum transmission sequence of four words
• Compatible with suitable 2^12 series decoder circuits
• Suitable for RF remote control transmitter projects
• Minimal external component requirements

Technical Specifications

• Product Name: HT12E Remote Control Encoder IC
• Manufacturer Reference: Holtek Semiconductor
• Part Number: HT12E
• IC Type: CMOS Remote Control Encoder
• Encoder Series: 2^12 Series
• Encoding: 12-Bit Address/Data Word
• Dedicated Address Inputs: 8 (A0-A7)
• Address/Data Inputs: 4 (AD8-AD11)
• Operating Voltage: 2.4V to 12V DC
• Technology: CMOS
• Oscillator: Internal RC Oscillator with External Resistor
• Transmission Trigger: TE Pin, Active Low
• Data Output: Encoded Serial Signal
• Minimum Transmission: Four Words
• Output Polarity: Positive
• Package: DIP-18
• Pin Count: 18
• Mounting: Through-Hole
• Application: Remote Control and Data Encoding

Applications

• RF wireless remote control circuits
• 315MHz and 433MHz RF transmitter projects
• Wireless relay switching systems
• Home automation control systems
• Remote-controlled lighting
• Garage door control projects
• Wireless security alarm systems
• Car remote control projects
• Electronic door lock control systems
• DIY wireless electronics
• Industrial remote switching
• Robotics and electronics projects
• Educational digital electronics experiments

How Does the HT12E Encoder Work?

The HT12E Encoder IC converts parallel address and data information into an encoded serial output signal.

The IC includes eight dedicated address inputs and four configurable address/data inputs. These inputs allow different address combinations and command information to be transmitted.

When the active-low Transmission Enable (TE) pin is activated, the HT12E generates an encoded serial signal through its DOUT pin.

This output can be connected to a suitable external RF transmitter module for wireless communication.

At the receiving end, a compatible decoder IC such as the HT12D can recover the transmitted information when the address settings and operating conditions are correctly configured.

HT12E and HT12D Encoder Decoder Pair

The HT12E is commonly used with the HT12D Remote Control Decoder IC to build simple wireless control systems.

• HT12E: Encodes address and command information for transmission.
• RF Transmitter: Sends the encoded signal wirelessly.
• RF Receiver: Receives the transmitted RF signal.
• HT12D: Decodes valid incoming information and provides corresponding outputs.

This encoder-decoder arrangement is useful for wireless relay controls, remote switches, security devices, and simple automation projects.

Compatible RF Transmitter Modules

The HT12E can interface with suitable digital-input RF transmitter modules, including compatible 315MHz and 433MHz ASK/OOK transmitter designs.

Important: The HT12E does not contain an RF transmitter or antenna. It generates an encoded digital signal, while the external RF module handles radio transmission.

Transmission frequency, wireless range, and transmitter power depend on the connected RF hardware.

Advantages of HT12E Encoder IC

Simple Encoding: Converts address and command inputs into a serial signal without requiring microcontroller programming.

Low Power Consumption: CMOS technology supports energy-efficient remote control designs.

Flexible Address Selection: Eight dedicated address inputs help distinguish different remote control systems.

Wide Supply Range: Supports DC operation from 2.4V to 12V within the manufacturer's specifications.

Easy Integration: The DIP-18 package is suitable for compatible sockets, through-hole PCBs, and prototyping.

Remote Control Applications: Works with suitable RF transmitter and decoder arrangements for simple wireless switching.

HT12E vs HT12D

The HT12E and HT12D serve different functions in a remote control communication system.

• HT12E Encoder: Used on the transmitting side to encode information.
• HT12D Decoder: Used on the receiving side to decode compatible information.

Both ICs can be used together with appropriate transmitter and receiver modules to create a basic remote control system.

Important Usage Notes

• Verify the DIP-18 pinout before installation.
• Use a regulated DC supply within the specified voltage range.
• The HT12E requires a suitable oscillator resistor.
• Connect the DOUT pin to a compatible transmitter data input.
• Ensure encoder and decoder address configurations match.
• Use suitable external RF modules for wireless communication.
• The IC does not provide encryption or secure authentication.
• It should not be used alone for security-critical access control.
• Confirm the supplied package and manufacturer marking before installation.

Buy HT12E RF Encoder IC in Pakistan

Looking for an HT12E RF Encoder IC DIP-18 in Pakistan? Shop online at Robostan.pk for encoder and decoder ICs, RF transmitter and receiver modules, microcontrollers, electronic components, sensors, and robotics accessories.

The HT12E is a practical choice for students, engineers, electronics technicians, and DIY enthusiasts developing remote control and wireless switching projects.

Order your HT12E Remote Control Encoder IC from Robostan.pk with nationwide delivery across Pakistan, including Lahore, Karachi, Islamabad, Rawalpindi, Faisalabad, Multan, Peshawar, and other cities.

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