Description
The HT12D is a high-performance, CMOS-based decoder integrated circuit specifically designed for remote control applications. It acts as a reliable interface between a receiver (such as an RF or IR module) and a microcontroller or hardware logic. The HT12D receives serial signals from an encoder (like the HT12E), decodes the data, and outputs the result on its parallel output pins, allowing for simple and efficient remote control communication.
Equipped with 12 bits of information, the HT12D typically divides these into 8 address bits and 4 data bits. It features robust noise immunity, high stability, and low power consumption, making it an ideal choice for wireless control systems, door openers, security alarm systems, and various home automation projects. The classic DIP-18 package ensures easy integration into breadboards, training kits, and custom PCB designs.
Key Features
- CMOS Technology: Low power consumption and high noise immunity for reliable operation.
- 12-Bit Data Format: 8 address bits and 4 data bits for versatile signal addressing.
- High Reliability: Designed to provide stable decoding even in noisy wireless environments.
- Easy Interfacing: Seamlessly pairs with HT12E encoders for complete transmit/receive systems.
- DIP-18 Package: Robust through-hole design, perfect for educational labs and standard industrial prototypes.
Applications
- Wireless Control Systems: Ideal for remote switching and control of electronic devices.
- Security & Alarm Systems: Reliable decoding for home and commercial security networks.
- Garage Door Openers: Common choice for remote-controlled entry systems.
- Home Automation: Simplifies signal routing in DIY automation and remote-sensing projects.
Package Includes
- 1 x HT12D Decoder IC (DIP-18)
Technical Specifications
| Parameter | Specification |
|---|---|
| Device Model | HT12D |
| Logic Type | CMOS Decoder |
| Data Bits | 4 Data / 8 Address |
| Package/Case | DIP-18 |
| Shipping Weight | 0.001 kg |
| Shipping Dimensions | 4 × 4 × 1 cm |
Note: Product images are shown for illustrative purposes only and may differ from the actual product. For complete truth tables, timing specifications, and application circuit diagrams, please refer to the official Holtek HT12D datasheet.
