IC Phoenix logo

Home ›  H  › H31 > HT9214A

HT9214A from HOLTEK

Fast Delivery, Competitive Price @IC-phoenix

If you need more electronic components or better pricing, we welcome any inquiry.

HT9214A

Manufacturer: HOLTEK

15-Memory Tone/Pulse Dialer
Partnumber Manufacturer Quantity Availability
HT9214A HOLTEK 6602 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.

Application Scenarios & Design Considerations

15-Memory Tone/Pulse Dialer

Alternative Part Number

  • PIC16F505 --: 8-bit flash microcontroller in a small package with comparable I/O and timer resources, widely available and well documented as a functional substitute for simple control applications.
  • STM8S003F3 --: Low-cost 8-bit MCU with similar GPIO count, timers, and operating voltage range, suitable for replacing small Holtek microcontroller functions.
  • ATtiny85 --: Popular 8-bit AVR microcontroller with comparable pin count and peripheral set, easy to source and supported by extensive development tools.
  • LM2576-ADJ --: Widely available adjustable step-down regulator with similar function and current capability; easy to source and well documented.
  • MP1584EN --: Compact high-frequency buck converter suitable as a functional substitute in many HT9214A applications.
  • XL4015E1 --: 5A adjustable buck converter with comparable input/output range, often used as a drop-in alternative for similar regulator ICs.

Request Quotation

For immediate assistance, call us at +86 533 2716050 or email [email protected]

Part Number Quantity Target Price($USD) Email Contact Person
We offer highly competitive channel pricing. Get in touch for details.

Specializes in hard-to-find components chips