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HT9170 Datasheet - Holtek Semiconductor Inc

HT9170 - DTMF Receiver

The HT9170 series are Dual Tone Multi Frequency (DTMF) receivers integrated with digital decoder and bandsplit filter functions.

The H T 9 1 7 0 B a nd H T 9 1 7 0 D t y p es s u p p l y power-down mode and inhibit mode operations.

All types of the HT9170 series use digital counting techniques to de

HT9170 Features

* Operating voltage: 2.5V~5.5V Minimal external components No external filter is required Low standby current (on power down mode) Excellent performance

* Tristate data output for mC interface 3.58MHz crystal or ceramic resonator 1633Hz can be inh

HT9170_HoltekSemiconductorInc.pdf

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Datasheet Details

Part number:

HT9170

Manufacturer:

Holtek Semiconductor Inc

File Size:

124.62 KB

Description:

Dtmf receiver.

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