NTE1691 - Integrated Circuit Telephone Pulse Dialer

Product Overview

NTE

Part number	NTE1691
Manufacturer	NTE
File Size	28.10 KB
Description	Integrated Circuit Telephone Pulse Dialer
Datasheet	NTE1691 Datasheet
Additional preview pages of the NTE1691 datasheet.

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

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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Other Datasheets by NTE

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Published: May 9, 2005 |