V.22 bis Modem with AT Commands
CMX866
1.7.1.3 Operating Characteristics
For the following conditions unless otherwise specified:
VDD = 2.7V to 5.5V at Tamb = -40 to +85°C,
Xtal Frequency = 11.0592MHz ± 0.01% (100ppm)
0dBm corresponds to 775mVrms.
DC Parameters
Notes
1, 2
1, 2
1, 2
1
Min.
Typ.
3.0
0.6
1.5
1.7
Max.
10.0
1.5
3.0
3.5
Units
IDD
IDD
IDD
IDD
('Zero-Power' mode)
-
-
-
-
mA
mA
mA
mA
(Powersave mode, VDD = 3.0V)
(Powersave mode, VDD = 5.0V)
(µC operating, DSP powerdown,
VDD = 3.0V)
IDD
(µC operating, DSP powerdown,
VDD = 5.0V)
1
-
3.7
7.5
mA
IDD
IDD
IDD
IDD
(µC and DSP operating, VDD = 3.0V)
(µC and DSP operating, VDD = 5.0V)
(µC and DSP operating, VDD = 3.0V)
(µC and DSP operating, VDD = 5.0V)
1, 3
1, 3
1
1
4
-
-
-
-
3.4
6.2
5.0
9.0
-
7.0
12.5
10.0
18.0
-
mA
mA
mA
mA
VDD
VDD
mA
Logic '1' Input Level
Logic '0' Input Level
Logic Input Leakage Current (Vin = 0 to VDD),
(excluding XTAL/CLOCK input)
Output Logic '1' Level (lOH = 2 mA)
Output Logic '0' Level (lOL = -3 mA)
IRQN O/P 'Off' State Current (Vout = VDD
RD and RT pin Schmitt trigger input high-going
threshold (Vthi) (see Figure 14)
RD and RT pin Schmitt trigger input low-going
threshold (Vtlo) (see Figure 14)
70%
-
-1.0
4
-
-
30%
+1.0
80%
-
-
-
-
-
-
-
VDD
V
mA
V
0.4
1.0
0.56VDD
+ 0.6V
0.44VDD
)
0.56VDD
0.44VDD
- 0.6V
-
V
RDRVN ‘ON’ resistance to VSS (VDD= 3.0V)
RDRVN ‘OFF’ resistance to VDD (VDD= 3.0V)
-
-
50
1300
70
3000
W
W
XTAL/CLOCK Input
Notes
Min.
Typ.
Max.
Units
(timings for an external clock input)
'High' Pulse Width
'Low' Pulse Width
30
30
-
-
-
-
ns
ns
ã 2004 CML Microsystems Plc
45
D/866/4
CMLMICRO [ CML MICROCIRCUITS ]
