CMX673 Просмотр технического описания (PDF) - MX-COM Inc
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CMX673 Datasheet PDF : 11 Pages
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Call Progress Tone Detector
Page 10 of 11
CMX673 Preliminary Information
6.1.4 Timing
For the following conditions unless otherwise specified:
Xtal Frequency = 3.579545MHz, VDD = 3.0V to 5.0V, TAMB = -40°C to +85°C, S/N = 20dB.
Signal Timings
tl
Burst Length Ignored
tL
Burst Length Detected
tGI
Call Progress Tone Gap Length Ignored
tGD Call Progress Tone Gap Length Detected
tRP Call Progress Tone Response Time
tDRP Call Progress Tone De-Response Time
Notes
1
1
2
2
Min.
80.0
40.0
Typ.
Max.
40.0
20.0
80.0
80.0
Units
ms
ms
ms
ms
ms
ms
Notes:
1. Only applies to bursts of the same frequency.
2. Measured with 350 + 440Hz tone pair.
SIGIN
tI
tL
tGD
tGI
No Signal Call Progress
Band
Call Progress
Band
Call Progress Call Progress
Band
Band
ENABLE
tRP
tRP
tDRP
DETECT
Figure 4: µC Parallel Interface Timings
6.2 Packaging
The CMX673 is available in the following packages. Additional package styles may be available to meet
specific design requirements.
Figure 5: 20-pin TSSOP (E3) Mechanical Outline: Order as part no. CMX673E3
ã2001 MX-COM, Inc
www.mxcom.com Tel: 800 638 5577 336 744 5050 Fax: 336 744 5054
Doc. # 20480182.007
4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA All Trademarks and service marks are held by their respective companies.
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