HT9200A Holtek, HT9200A Datasheet

HT9200A

Manufacturer Part Number

HT9200A

Description

SOP-8

Manufacturer

Holtek

Datasheets

1.HT9200A.pdf (8 pages)

2.HT9200A.pdf (8 pages)

3.HT9200A.pdf (14 pages)

Specifications of HT9200A

Date_code

09+

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Features

General Description

The HT9200A/B tone generators are designed for MCU

interfaces. They can be instructed by a MCU to gener-

ate 16 dual tones and 8 single tones from the DTMF pin.

The HT9200A provides a serial mode whereas the

Selection Table

Block Diagram

Rev. 1.10

Part No.

Operating voltage: 2.0V~5.5V

Serial mode for the HT9200A

Serial/parallel mode for the HT9200B

Low standby current

HT9200A

HT9200B

Function

Operating

2V~5.5V

Voltage

Frequency

3.58MHz

OSC

HT9200B contains a selectable serial/parallel mode in-

terface for various applications such as security sys-

tems, home automation, remote control through

telephone lines, communication systems, etc.

Low total harmonic distortion

3.58MHz crystal or ceramic resonator

HT9200A: 8-pin DIP/SOP package

HT9200B: 14-pin SOP package

HT9200A/HT9200B

DTMF Generators

Serial/Parallel

Interface

Serial

8 DIP/SOP

Package

October 2, 2002

14 SOP

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