HT9170 series datasheets. Manufacturer: Holtek Semiconductor Inc..

HT9170B DTMF receiver in 18-pin DIP package. Operational temperature range from -20°C to 75°C. Datasheet*) HT9170D DTMF receiver in 18-pin SOP package. Operational temperature range from -20°C to 75°C. Datasheet*) HT9170 DTMF Receiver Datasheet*)

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