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M-993 - Region 1 MF Tone Generator

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Datasheet Details

Part number M-993
Manufacturer Clare Inc.
File Size 140.23 KB
Description Region 1 MF Tone Generator
Datasheet download datasheet M-993 Datasheet

General Description

The M-993 is a monolithic CMOS integrated circuit designed to generate multifrequency (MF) tone pairs for use in trunk signaling.

The tones generated conform to CCITT R1 signal recommendations and to AT&T MF standards.

The M-993 permits design engineers to implement a highly accurate MF sender with a minimum of space, power, and added components.

Overview

M-993 Region 1 MF Tone Generator.

Key Features

  • Generates standard CCITT R1 MF tones.
  • Digital input control.
  • Linear (analog) output.
  • Power output capable of driving standard line.
  • 14-pin DIP.
  • Single 5-Volt supply.
  • Inexpensive 3.58 MHz time base.

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