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