Datasheet

DS1721
14 of 17
ABSOLUTE MAXIMUM RATINGS*
Voltage on VDD, Relative to Ground -0.3V to +6.0V
Voltage on any other pin, Related to Ground -0.3V to +6.0V
Operating Temperature -55°C to +125°C
Storage Temperature -55°C to +125°C
Soldering Temperature 260°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°C to +125°C; 2.7V £ V
DD
£ 5.5V)
PARAMETER SYMBOL CONDITION MIN TYP MAX UNITS NOTES
Supply Voltage V
DD
2.7 5.5 V 1
DC ELECTRICAL CHARACTERISTICS (-55°C to +125°C; 2.7V £ V
DD
£ 5.5V)
PARAMETER SYMBOL CONDITION MIN TYP MAX UNITS NOTES
Input Logic High V
IH
0.7
V
DD
V
DD
+0.3
V 1
Input Logic Low V
IL
-0.5
0.3
V
DD
V 1
V
OL1
3 mA sink
current
0 0.4 V 1
SDA Output Logic
Low Voltage
V
OL2
6 mA sink
current
0 0.6 V 1
V
OH
1 mA source
current
2.4 V 1
T
OUT
Output Logic
Voltage
V
OL
4 mA sink
current
0.4 V 1
Input Current Each
I/O Pin
0.4V £ V
I/O
£ 0.9 V
DD
-10 +10 µA 2
I/O Capacitance C
I/O
10 pF
Standby Current I
DD1
0.8 µA 3, 4
Temperature
Conversions,
-55°C to +85°C
+85°C to +125°C
1000
1250
µA 3, 4
Communication
only
110 µA 3, 4
Active Current I
DD
EEPROM Write 400 µA 3,4