CMX673P1 查看數據表（PDF） - MX-COM Inc

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CMX673P1

Call Progress Tone Detector

MX-COM Inc  

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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