HT12D RF Decoder IC DIP 18 Package

HT12D RF Decoder IC DIP 18 Package

The HT12D is a popular RF decoder IC designed for use in wireless remote control and data transmission systems. It is commonly paired with the HT12E encoder IC to form a reliable RF communication link.

The HT12D receives a serial encoded data stream (typically from an RF receiver module), decodes it, and converts it back into parallel address and data outputs. It supports 12-bit decoding consisting of 8 address bits and 4 data bits. When the received address matches the local address, the IC validates the transmission and outputs the data on its data pins.

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Applications

• RF remote control receivers
• Wireless relay and switch boards
• Home automation systems
• Security and alarm systems
• Wireless control for robots and toys
• Industrial wireless control systems

Features

• Type: 12-bit RF Decoder IC
• Decoding format: 8 address bits + 4 data bits
• Works with HT12E encoder IC
• Converts serial input to parallel outputs
• Valid Transmission (VT) output indicator
• High noise immunity
• Built-in oscillator (requires only external resistor)
• Low power consumption
• Latch-type data outputs
• Reliable and widely used in RF receiver systems
• Package: DIP-18 (Through-hole)
• Easy to interface with microcontrollers and relay drivers

HT12D-Decoder-IC Datasheet