Specification
Absolute Maximum Ratings
Exceeding the maximum rating can result in device damage. Operation of the device outside the operating limits is
not implied.
-0.3 to
-0.3 to
Supply voltage
Input voltage at any pin (ref
+
= OV)
30mA
20mA
Max.
Sink/source current (supply pins)
(other pins)
Total device dissipation
25°C
Derating
-30°C to
-30°C to
-55°C to
-40°C to
(ceramic)
(plastic)
(ceramic)
(plastic)
Operating temperature range:
Storage temperature range:
Operating Limits
All device characteristics are measured under the following conditions unless otherwise specified:
V
= 4.0 MHz. Audio level
ref: = 775mV rms.
oo
=
=
Characteristics
See Note
Min.
Max.
Unit
Static Values
Supply Voltage
Supply Current
4.5
3.5
5.5
V
5.0
Rx on, T
X
and Timer Disabled
1.25
3.0
Rx on, T
X
Enabled, Timer Running
1
Interface Levels
CPU Data Port
Logic ‘1’
Logic ‘0
Output Logic ‘1’ Source Current
8
1.5
120
360
4.0
9
10
Output Logic
Three State Output
Input Port
Logic ‘1’
Current
(R/W, A,,,
V
V
Logic ‘0
1.5
1.0
output
Logic ‘1’
V
V
Logic ‘0
Impedances
Input Port
1.0
15.0
1.0
output Port
Audio Input
50.0
11
11
11
14
Audio Switch
Audio Switch
‘ON’
‘OFF’
2.0
10.0
1.0
T
T
X
X
Tone Output (Enabled)
Tone Output (Disabled)
4 Output
10.0
3.0
10.0
100.0
500.0
Output (Logic ‘1’)
Output (Logic
25.0
150.0
Encoder
Tone Output Level
0
.o
Tone Frequency Accuracy ‘C
Tone Frequency Accuracy ‘E
Tone Frequency Accuracy
Tone Output
Hz
%
%
2.0
ms
%
Total Harmonic Distortion
5.5
CMLMICRO [ CML MICROCIRCUITS ]
