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HT12E from HOLTEK

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HT12E

Manufacturer: HOLTEK, HIT

212 Series of Encoders
Partnumber Manufacturer Quantity Availability
HT12E HOLTEK, HIT 300 In Stock

Description and Introduction

212 Series of Encoders The HT12E is an encoder IC manufactured by Holtek Semiconductor (HIT). Here are its key specifications:  

- **Operating Voltage**: 2.4V to 12V  
- **Low Standby Current**: 0.1μA (typical at 5V)  
- **Data Transmission**: 12-bit (8 address bits + 4 data bits)  
- **Oscillator Frequency**: Built-in oscillator with external resistor (typically 1.1MΩ for 3kHz)  
- **Output Type**: Serial encoded output (compatible with RF/IR modules)  
- **Package Options**: SOP-18, DIP-18  
- **Operating Temperature**: -20°C to +75°C  
- **Applications**: Remote control systems, security systems, wireless communication  

The HT12E is commonly paired with the HT12D decoder IC for RF/IR transmission applications.

Application Scenarios & Design Considerations

212 Series of Encoders

Alternative Part Number

  • PT2262 --: Classic encoder IC functionally equivalent to HT12E for remote control applications, widely available and pin-compatible in most designs.
  • EV1527 --: Encoder IC commonly used as a drop-in alternative for HT12E in RF remote control systems, with similar encoding function.
  • SC2262 --: Direct functional equivalent of the HT12E encoder, produced by Silan as a cost-effective second source with matching pinout.
  • SC5262 --: Low-cost encoder IC functionally equivalent to HT12E, suitable for remote control and wireless encoding applications.

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