Low Power Dtmf Receiver Semiconductor

The KT3170 is a complete Dual Tone Multiple Frequency (DTMF) receiver that is fabricated by low power CMOS and the Switched-Capacitor Filter technology. This LSI consists of band split Filters which seperates counting section which verifies the frequency and duration of the received Tones before passing the cor- responding code to the output bus. It decodes all 16 DTMF Tone pairs into a 4bits digital code. The externally required components are minimized by on chip provision of a differential input AMP, Clock Oscillator and latched three state Interface The on chip Clock Generator requires only a low cost TV cystal as an external component. By Samsung Semiconductor, Inc.
KT3170 's PackagesKT3170 's pdf datasheet

KT3170 Pinout, Pinouts
KT3170 pinout,Pin out
This is one package pinout of KT3170,If you need more pinouts please download KT3170's pdf datasheet.

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