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HT-12F Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
HT-12FHOLTEK395Yes

HT-12F is an encoder IC manufactured by Holtek Semiconductor.

The HT-12F is an encoder IC manufactured by Holtek Semiconductor. Below are its key specifications, descriptions, and features:

Specifications:

  • Supply Voltage: 2.4V to 12V
  • Operating Current: ≤ 1.5μA (standby mode)
  • Operating Frequency: Up to 300kHz
  • Package Type: 18-pin DIP/SOP
  • Data Transmission: 12-bit parallel data (8 address bits + 4 data bits)
  • Output Type: CMOS push-pull
  • Operating Temperature Range: -20°C to +75°C

Descriptions:

The HT-12F is a CMOS LSI encoder designed for remote control applications. It encodes 12-bit parallel data (8 address bits and 4 data bits) into a serial output for RF or IR transmission. It is commonly used in wireless security systems, remote keyless entry, and automation controls.

Features:

  • Built-in oscillator (requires only a single external resistor)
  • Low standby current (suitable for battery-powered applications)
  • Wide operating voltage range (2.4V to 12V)
  • Multiple address/data combinations (256 address codes × 16 data codes)
  • Noise immunity (CMOS technology ensures stable performance)
  • Compatible with Holtek’s HT-12D decoder

This information is strictly factual based on Holtek's official datasheet.

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