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HT9214DL from HOLTEK

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HT9214DL

Manufacturer: HOLTEK

15-Memory Tone/Pulse Dialer
Partnumber Manufacturer Quantity Availability
HT9214DL HOLTEK 413 In Stock

Description and Introduction

15-Memory Tone/Pulse Dialer The part **HT9214DL** is manufactured by **HOLTEK**.  

### **Specifications:**  
- **Type:** DTMF Generator IC  
- **Operating Voltage:** 2.5V to 5.5V  
- **Low Power Consumption:** Suitable for battery-operated applications  
- **Package:** SOP-8 (Small Outline Package)  
- **Features:**  
  - Dual-tone multi-frequency (DTMF) signal generation  
  - Built-in oscillator circuit (requires only an external resistor)  
  - High accuracy tone generation  
  - Serial data input control  

For detailed electrical characteristics and application notes, refer to the official HOLTEK datasheet.

Application Scenarios & Design Considerations

15-Memory Tone/Pulse Dialer

Alternative Part Number

  • HT1621B --: Holtek LCD driver/controller in the same family, widely available and often used as a functional substitute for HT9214-series display driver applications.
  • HT1622 --: Holtek LCD controller with similar segment/common drive capability, suitable as a drop-in functional alternative where pinout and interface are compatible.
  • PCF8566 --: Industry-standard I2C LCD segment driver from a different series, usable as a cross-manufacturer alternative when Holtek parts are unavailable.

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