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Package Cooled:DIP14  D/C:07+/08+  

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Part Number: M-993

 

 

Package Cooled: DIP14

D/C: 07+/08+

Description: The M-993 is a monolithic CMOS integrated circuit designed to generate multifrequency (MF) tone pairs ...


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M-993 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. The accuracy of the tone frequencies is assured through use of an easily obtained 3.58 MHz color burst
crystal or an external 3.58 MHz clock source.

M-993 Maximum Ratings

Storage Temperature -55 to 125
Operating Ambient Temperature -25 to 70
VDD 7.0V
Any Input Voltage VSS - 0.6 to VDD + 0.6V

Note: 1. Exceeding these ratings may permanently damage the M-993.

M-993 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

M-993 Typical Application

• Telephone systems
• Test equipment

M-993 Connection Diagram

M-993  Connection Diagram

M-993 datasheet

M-993
PDF/DataSheet Download

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