Professional IC Distribution & Technical Solutions

Global leader in semiconductor components distribution and technical support services, empowering your product innovation and industry advancement

Product Catalog Contact Us
Home > HOLTEK > HT9274

HT9274 Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
HT9274HOLTEK389Yes

HT9274 is a DTMF (Dual-Tone Multi-Frequency) receiver IC manufactured by HOLTEK.

The HT9274 is a DTMF (Dual-Tone Multi-Frequency) receiver IC manufactured by HOLTEK. Below are its key specifications, descriptions, and features:

Specifications:

  • Operating Voltage: 2.5V to 5.5V
  • Operating Current: 1.5mA (typical at 3V)
  • Standby Current: 0.5µA (typical)
  • Frequency Tolerance: ±1.5%
  • Input Gain Adjustable: Yes
  • Output Format: 4-bit binary (parallel) or serial (via internal shift register)
  • DTMF Decoding: Full 16-key (0-9, *, #, A-D)
  • Operating Temperature: -40°C to +85°C
  • Package Options: 18-pin DIP/SOP

Descriptions:

The HT9274 is a low-power CMOS DTMF receiver designed for telephony and remote control applications. It decodes DTMF signals into corresponding digital outputs and includes an internal band-split filter for accurate tone detection.

Features:

  • Low power consumption
  • Built-in dial tone rejection
  • Adjustable guard time
  • Serial or parallel output mode
  • Power-down mode for reduced standby current
  • Noise immunity with digital counting detection

This IC is commonly used in communication devices, security systems, and remote control applications. For detailed electrical characteristics, refer to HOLTEK's official datasheet.

Request Quotation

Part Number:
Quantity:
Target Price($USD):
Email:
Contact Person:
Additional Part Number
Quantity (Additional)
Special Requirements
Verification: =

Recommended Products

  • HT27LC512-90B ,928,PLCC32

    HT27LC512-90B** is a serial EEPROM memory device manufactured by **HOLTEK**.

  • HT9302G ,660,DIP16

    HT9302G is a microcontroller manufactured by HOLTEK.

  • HT46R47 ,7146,DIP

    HT46R47** is a microcontroller from **HOLTEK Semiconductor**, designed for embedded control applications.

  • 74F257ADC,NS,25,CDIP

    SG51PH-49.1520MHZ B,EPSON,25,DIP4

Sales Support

Our sales team is ready to assist with:

  • Fast quotation
  • Price Discount
  • Technical specifications
Contact sales