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NTE1692 - Integrated Circuit Telephone Pulse Dialer

Description

The NTE1691 and NTE1692 are monolithic CMOS integrated circuits in an 18 Lead DIP type package that provide all the

Features

  • required for implementing a pulse dialer with redial. Functions: D Mute Output Logic “0” D Pulse Output Logic “0” D RC Oscillation for Reference Frequency D Designed to Operate Directly from the Telephone Line D Used CMOS Technology for Low Voltage, Low Power Operation D Power Up Clear Circuitry D NTE1691 Pin2: VREF D NTE1692 Pin2: Tone Out Features: D Uses Either a Standard 2 of 7 Matrix Keyboard with Negative True Common or the Inexpensive Form A.
  • Type Keyboard D Make/Break Ratio Can Be.

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Datasheet Details

Part number NTE1692
Manufacturer NTE Electronics (defunct)
File Size 28.10 KB
Description Integrated Circuit Telephone Pulse Dialer
Datasheet download datasheet NTE1692 Datasheet

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Full PDF Text Transcription

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NTE1691 & NTE1692 Integrated Circuit Telephone Pulse Dialer w/Redial Description: The NTE1691 and NTE1692 are monolithic CMOS integrated circuits in an 18–Lead DIP type package that provide all the features required for implementing a pulse dialer with redial.
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