CMX673 데이터 시트보기 (PDF) - CML Microsystems Plc

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CMX673

Call Progress Tone Detector

CML Microsystems Plc 

Electrical Performance (continued)

Figure 4 µC Parallel Interface Timings

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 (ref. Figures 3, 4 and 5)

tl

Burst Length Ignored

tL

Burst Length Detected

tGI

Call Progress Tone Gap Length

Ignored

tGD

Call Progress Tone Gap Length

Detected

tRP

tDRP

Call Progress Tone Response Time

Call Progress Tone De-Response

Time

Notes Min.

80.0

8

8

40.0

9

9

Typ. Max.

40.0

20.0

80.0

80.0

Units

ms

ms

ms

ms

ms

ms

Notes:

8. Only applies to bursts of the same frequency.

9. Measured with 350+440Hz tone pair.

© 2001 Consumer Microcircuits Limited

11

D/673/5

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