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HT9214A from HOLTEK

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HT9214A

Manufacturer: HOLTEK

15-Memory Tone/Pulse Dialer

Partnumber Manufacturer Quantity Availability
HT9214A HOLTEK 3000 In Stock

Description and Introduction

15-Memory Tone/Pulse Dialer The part HT9214A is manufactured by HOLTEK. It is a DTMF (Dual-Tone Multi-Frequency) receiver with call progress tone detection. Key specifications include:

- **Operating Voltage**: 2.5V to 5.5V  
- **Low Power Consumption**: Typically 3mA at 3V  
- **DTMF Decoding**: Compliant with ITU-T Q.23 and Bellcore standards  
- **Call Progress Tone Detection**: Detects dial tone, busy tone, and ring-back tone  
- **Output Interface**: Serial or parallel data output  
- **Package Options**: 18-pin DIP or SOP  

This information is based on HOLTEK's official datasheet for the HT9214A.

Partnumber Manufacturer Quantity Availability
HT9214A 3602 In Stock

Description and Introduction

15-Memory Tone/Pulse Dialer The part HT9214A is manufactured by Holtek. It is a DTMF (Dual-Tone Multi-Frequency) generator IC. Below are its key specifications:

1. **Operating Voltage**: 2.0V to 5.5V  
2. **Low Power Consumption**: Typically 0.5µA in standby mode  
3. **Output Frequency Accuracy**: ±0.5%  
4. **Tone Duration**: Adjustable via external components  
5. **Package Options**: SOP-8 and DIP-8  
6. **Operating Temperature Range**: -20°C to +70°C  
7. **DTMF Output**: Compliant with ITU-T Q.23 and Bellcore standards  

For detailed electrical characteristics or application circuits, refer to the official Holtek datasheet.

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