DS1629
ABSOLUTE MAXIMUM RATINGS*
Voltage on V
DD
, Relative to Ground (Note 1)
Voltage on any other pin, Relative to Ground
Operating Temperature
Storage Temperature
Soldering Temperature
-0.3V to +7.0V
-0.3V to (V
DD
+0.3V)
-55掳C to +125掳C
-55掳C to +125掳C
260掳C for 10 seconds
This is a stress rating only and functional operation of the device at these or any other conditions above
those indicated in the operation sections of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods of time may affect reliability.
RECOMMENDED DC OPERATING CONDITIONS
(-55掳C to +125掳C; 2.2V
鈮?/div>
V
DD
鈮?/div>
5.5V)
PARAMETER
Supply Voltage
SYMBOL
V
DD
CONDITION
MIN
2.2
TYP
MAX
5.5
UNITS
V
NOTES
DC ELECTRICAL CHARACTERISTICS
PARAMETER
Logic 0 Input
Logic 1 Input
SDA Logic 0 Output
ALRM Saturation
Voltage
Input Current
Each I/O Pin
Standby Current
Timekeeping Current
2-Wire
Communication
Thermometer Current
Active Current
SYMBOL
V
IL
V
IH
V
OL1
V
OL2
CONDITION
(-55掳C to +125掳C; 2.2V
鈮?/div>
V
DD
鈮?/div>
5.5V)
MIN
-0.5
0.7V
DD
0
TYP
MAX
0.3V
DD
V
DD
+0.5
0.4
0.4
-10
+10
0.1
0.2
0.3
1
100
100
300
500
500
1000
UNITS
V
V
V
V
碌A
碌A
碌A
碌A
碌A
碌A
3
4
5
5
5
5
NOTES
2
I
ALRM
=4mA
0.4<V
I/O
<0.9
V
DD
V
DD
=2.2V
V
DD
=5.0V
V
DD
=2.2V
V
DD
=5.0V
V
DD
=2.2V
V
DD
=5.0V
V
DD
=2.7V
V
DD
=5.0V
V
DD
=2.7V
V
DD
=5.0V
I
DDS
I
DDC
I
DD2
I
DDT
I
DD
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