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PDF M-993 Datasheet ( Hoja de datos )

Número de pieza M-993
Descripción Region 1 MF Tone Generator
Fabricantes Clare Inc. 
Logotipo Clare  Inc. Logotipo

Total 6 Páginas
		
M-993 Hoja de datos, Descripción, Manual
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
Applications
Telephone systems
Test equipment
M-993
Region 1 MF Tone Generator
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 con-
form to CCITT R1 signal recommendations and to
AT&T MF standards. The M-993 permits design engi-
neers 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.
Ordering Information
Part #
M-993
Description
14-pin plastic DIP
Pin Diagram
Block Diagram
DS-M993-R1
www.clare.com
1

1 page

M-993 pdf
Mechanical Dimensions
M-993
Tolerances
Inches
Metric (mm)
Min Max
Min Max
A-
.210
- 5.33
A1 .015
-
.38 -
b .014
.022
.36
.56
b2 .045
.070
1.1
1.8
C .008
.014
.20
.36
D .735
.775
18.7 19.7
E .300
.325
7.6
8.3
E1 .240
.280
6.1
7.1
e .100 BSC
2.54 BSC
ec 0°
15°
0° 15°
L .115
.150
2.9
4.1
Dimensions
mm
(inches)
Rev. 1 www.clare.com
5

5 Page



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