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NTE1731 - Integrated Circuit CMOS 10 Number Pulse Dialer

Description

The NTE1731 is a CMOS LSI repertory dialer with ten 16 digit number memory storage in a 16

Lead DIP type package.

The pulse and mute signal outputs resulting from keyboard input are like those of a pulse dialer.

Features

  • D Make Ratio: 30/40% Pin Selectable D Pulse Output: “0” True D Mute Output: “0” True D Stores Ten 16.
  • digit Telephone Numbers D One Temporary Memory and Permanent Memory Storage of Telephone Numbers are Possible D Uses a CR Oscillator as a Frequency Reference D Line Operation Off.
  • Hook, Battery Operation On.
  • Hook D Uses Either a Standard 2.
  • of.
  • 7 Matrix Keyboard or a Single Contact Keyboard D PBX Pause Storage Absolute Maximum Ratings: Supply Voltage (Note 1),.

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Datasheet preview – NTE1731

Datasheet Details

Part number NTE1731
Manufacturer NTE
File Size 29.40 KB
Description Integrated Circuit CMOS 10 Number Pulse Dialer
Datasheet download datasheet NTE1731 Datasheet
Additional preview pages of the NTE1731 datasheet.

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Full PDF Text Transcription

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NTE1731 Integrated Circuit CMOS 10 Number Pulse Dialer Description: The NTE1731 is a CMOS LSI repertory dialer with ten 16–digit number memory storage in a 16–Lead DIP type package. The pulse and mute signal outputs resulting from keyboard input are like those of a pulse dialer. The NTE1731 incorporates a 64 x 10 bit RAM which is used to store the ten telephone numbers. When used in a Public Branch Exchange (PBX) system, a Pause function is provided. This function suspends dial pulse output upon pause detection (via # key input), and resumes the output after one of the numeric keys is pressed.
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