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HT9200

Holtek Semiconductor Inc
Part Number HT9200
Manufacturer Holtek Semiconductor Inc
Description DTMF Generators
Published Mar 26, 2005
Detailed Description HT9200A/HT9200B DTMF Generators Features · Operating voltage: 2.0V~5.5V · Serial mode for the HT9200A · Serial/parallel...
Datasheet PDF File HT9200 PDF File

HT9200
HT9200

Overview
HT9200A/HT9200B DTMF Generators Features · Operating voltage: 2.
0V~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 Description The HT9200A/B tone generators are designed for MCU interfaces.
They can be instructed by a MCU to generate 16 dual tones and 8 single tones from the DTMF pin.
The HT9200A provides a serial mode whereas the HT9200B contains a selectable serial/parallel mode interface for various applications such as security systems, home automation, remote control through telephone lines, communication systems, etc.
Selection Table Function Part No.
HT9200A HT9200B Operating Voltage 2V~5.
5V 2V~5.
5V OSC Frequency 3.
58MHz 3.
58MHz Interface Serial Serial/Parallel Package 8 DIP/SOP 14 SOP Block Diagram X 1 3 .
5 8 M H z C r y s ta l/R e s o n a to r X 2 O s c illa to r D TM F G e n e ra...


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