DS1721U Datasheet, PDF (14/17 Pages) Maxim Integrated Products – 2-Wire Digital Thermometer and Thermostat

ABSOLUTE MAXIMUM RATINGS*
Voltage on VDD, Relative to Ground
Voltage on any other pin, Related to Ground
Operating Temperature
Storage Temperature
Soldering Temperature
-0.3V to +6.0V
-0.3V to +6.0V
-55°C to +125°C
-55°C to +125°C
260°C for 10 seconds
DS1721
* 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
PARAMETER
SYMBOL CONDITION
Input Logic High
V_IH
Input Logic Low
SDA Output Logic
Low Voltage
T_OUT Output Logic
Voltage
Input Current Each
I/O Pin
I/O Capacitance
Standby Current
Active Current
V_IL
V_OL1
V_OL2
V_OH
V_OL
C_I/O
I_DD1
I_DD
3 mA sink
current
6 mA sink
current
1 mA source
current
4 mA sink
current
0.4V £ V_I/O
£ 0.9 V_DD
Temperature
Conversions,
-55°C to +85°C
+85°C to +125°C
Communication
only
EEPROM Write
(-55°C to +125°C; 2.7V £ V_DD £ 5.5V)
MIN TYP MAX UNITS NOTES
0.7
V_DD
V_DD
+0.3
V
1
-0.5
0.3
V_DD
V
1
0
0.4
V
1
0
0.6
V
1
2.4
V
1
0.4
V
1
-10
+10
µA
2
10
pF
0.8
µA
3, 4
1000
µA
3, 4
1250
110
µA
3, 4
400
µA
3,4
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