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TP5089 TP5089 DTMF (TOUCH-TONE) Generator

TP5089 Description

TP5089 DTMF(TOUCH-TONE) Generator December 1991 TP5089 DTMF (TOUCH-TONE) Generator General .
The TP5089 is a low threshold voltage field-implanted metal gate CMOS integrated circuit It interfaces directly to a standard telephone keypad and gen.

TP5089 Features

* Y Y Y Y Y Y Y Y Y 3 5V
* 10V operation when generating tones 2V operation of keyscan and MUTE logic Static sensing of key closures or logic inputs On-chip 3 579545 MHz crystal-controlled oscillator Output amplitudes proportional to supply voltage High group pre-emphasis Low harmonic distort

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Datasheet Details

Part number
TP5089
Manufacturer
National Semiconductor
File Size
119.91 KB
Datasheet
TP5089_NationalSemiconductor.pdf
Description
TP5089 DTMF (TOUCH-TONE) Generator

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TP5089 DTMF TOUCH-TONE Generator National Semiconductor
National Semiconductor TP5089-like datasheet