CMX602B Consumer Microcircuits Limited, CMX602B Datasheet - Page 20

• Manufacturer Part Number: CMX602B
• Description: Calling Line Identifier Plus Call Waiting Type ii
• Manufacturer: Consumer Microcircuits Limited

Calling Line Identifier
Operating Characteristics
For the following conditions unless otherwise specified:
 2003 CML Microsystems Plc
DC Parameters
Tone Alert Detector
I
I
I
Logic '1' input level (RXCK and XTAL inputs)
Logic '0' input level (RXCK and XTAL inputs)
Logic input leakage current (Vin = 0 to V
Output logic '1' level (l
Output logic '0' level (l
IRQN o/p 'off' state current (Vout = V
Schmitt Trigger input thresholds, see fig 10
'Low' tone nominal frequency
'High' tone nominal frequency
Start of Tone Alert signal to DET high time
End of Tone Alert signal to DET and IRQN low
DET high time to ensure IRQN goes low
DD
DD
DD
excluding XTAL input
To ensure detection:
To ensure non-detection:
(Fig. 6 Tton)
time (Fig 6 Ttoff)
(Fig 6 TqCAS)
(ZP input high) at V
(ZP input low) at V
(ZP input low) at V
V
Xtal Frequency = 3.579545MHz
0dBV corresponds to 1.0Vrms
DD
High going (Vthi)
Low going (Vtlo)
'Low' tone frequency tolerance
'High' tone frequency tolerance
Level (per tone)
2750Hz tone level wrt
Signal to Noise ratio
Dual tone burst duration for DET output
'Low' tone frequency tolerance
'High' tone frequency tolerance
Level (total)
Dual tone burst duration
Dual tone burst duration to ensure
IRQN goes low
= 2.7V at Tamb = -10 to +60°C and V
2130Hz tone level
OH
OL
DD
DD
DD
= 360µA)
= 360µA)
= 5.0V
= 3.0V
= 5.0V
DD
)
0.1%
DD
)
DD
20
= 3.3V to 5.5V at Tamb = -40 to +85°C,
Notes
1,2
1
1
3
4
5
6
4
V
0.56V
0.44V
DD
- 0.6V
-40.0
Min.
70%
20.0
-1.0
-6.0
±75
±95
0.5
8.0
75
75
- 0.4
DD
DD
2130
2750
Typ.
0.02
55.0
0.5
1.0
0.56V
0.44V
+ 0.6V
-46.0
Max.
30%
+1.0
10.0
45.0
+6.0
±0.5
±0.5
45.0
-2.2
1.0
1.0
2.0
0.4
1.0
85
DD
DD
CMX602B
D/602B/2
Units
dBV
dBV
V
V
mA
mA
ms
ms
ms
ms
ms
ms
µA
µA
µA
Hz
Hz
dB
dB
Hz
Hz
%
%
V
V
V
V
DD
DD