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HT9172 from HT

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15.625ms

HT9172

Manufacturer: HT

DTMF Receiver

Partnumber Manufacturer Quantity Availability
HT9172 HT 88 In Stock

Description and Introduction

DTMF Receiver The manufacturer of part HT9172 is **Holtek Semiconductor Inc.**  

### **HT9172 Specifications:**  
- **Type:** DTMF (Dual-Tone Multi-Frequency) Receiver  
- **Operating Voltage:** 2.5V to 5.5V  
- **Power Consumption:** Low power consumption in standby mode  
- **Frequency Detection:** Supports standard DTMF frequencies (697Hz to 1633Hz)  
- **Output Format:** 4-bit binary code corresponding to DTMF digits  
- **Package:** Typically available in 18-pin DIP or SOP  
- **Applications:** Telephone systems, remote control, security systems  

For detailed electrical characteristics and timing diagrams, refer to the official Holtek datasheet.

Partnumber Manufacturer Quantity Availability
HT9172 HOLTEK 7954 In Stock

Description and Introduction

DTMF Receiver The part HT9172 is manufactured by HOLTEK. Below are the factual specifications from Ic-phoenix technical data files:

1. **Type**: DTMF (Dual-Tone Multi-Frequency) Receiver  
2. **Operating Voltage**: 2.5V to 5.5V  
3. **Power Consumption**: Low power operation  
4. **Frequency Detection**: Accurately decodes DTMF signals into 4-bit binary code  
5. **Output Interface**: Parallel or serial data output options  
6. **Package**: Typically available in DIP or SOP packages  
7. **Applications**: Telecommunication systems, remote control, and security systems  

For exact technical details, always refer to the official HOLTEK datasheet.

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