CMX673D4 CML Microcircuits, CMX673D4 Datasheet - Page 11

• Manufacturer Part Number: CMX673D4
• Description: DTMF Receiver, 3.58MHz, 5V, CMOS, 16-SOIC
• Manufacturer: CML Microcircuits

Electrical Performance (continued)
For the following conditions unless otherwise specified:
Xtal Frequency = 3.579545MHz, V
Signal Timings (ref. Figures 3, 4 and 5)
Notes:
t
t
t
t
t
t
l
L
GI
GD
RP
DRP
2001 Consumer Microcircuits Limited
Burst Length Ignored
Burst Length Detected
Call Progress Tone Gap Length
Ignored
Call Progress Tone Gap Length
Detected
Call Progress Tone Response Time
Call Progress Tone De-Response
Time
8. Only applies to bursts of the same frequency.
9. Measured with 350+440Hz tone pair.
Figure 4 C Parallel Interface Timings
DD
= 3.0V to 5.0V, Tamb = -40°C to +85°C, S/N = 20dB.
11
Notes
8
8
9
9
80.0
40.0
Min.
Typ.
40.0
20.0
80.0
80.0
Max.
Units
ms
ms
ms
ms
ms
ms
D/673/5