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HT9200A - DTMF Generators

HT9200A Description

HT9200A/HT9200B DTMF Generators .
The HT9200A/B tone generators are designed for MCU interfaces.

HT9200A Features

* Operating voltage: 2.5V~5.5V
* Serial mode for the HT9200A
* Serial/parallel mode for the HT9200B
* Low standby current
* Low total harmonic distortion
* 3.58MHz crystal or ceramic resonator
* HT9200A: 8-pin DIP/SOP package HT9200B: 14-pin SOP package General Descript

HT9200A Applications

* such as security systems, home automation, remote control through telephone lines, communication systems, etc. Selection Table Function Part No. HT9200A HT9200B Operating Voltage 2.5V~5.5V 2.5V~5.5V OSC Frequency 3.58MHz 3.58MHz Interface Serial Serial/Parallel Package 8DIP/SOP 14SOP Block Dia

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DTMF Generators Holtek Semiconductor Inc
Holtek Semiconductor Inc HT9200A-like datasheet