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 resonatorPinoutSpecificationsSupply Voltage .................................0.3V to 6V Input Voltage............
HT9200B: 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 resonatorP...
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The HT9200A/B tone generators are designed for mC interfaces. They can be instructed by a C 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.