DS1621
ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground
Operating Temperature
Storage Temperature
Soldering Temperature
–0.5V to +7.0V
–55°C to +125°C
–55°C to +125°C
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
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Supply Voltage
VDD
2.7
5.5
V
1
DC ELECTRICAL CHARACTERISTICS
(-55°C to +125°C; VDD=2.7V to 5.5V)
PARAMETER
SYMBOL CONDITION
MIN
TYP
MAX
UNITS NOTES
Thermometer Error
TERR
0°C to 70°C
-55°C to + 0°C
and
±½
°C
11
See Typical Curve
0.3 VDD
70°C to 125°C
Low Level Input
Voltage
High Level Input
Voltage
VIL
VIH
0.5
V
V
0.7 VDD
VDD+0.5
Pulse width of
spikes which must
be suppressed by
the input filter
Low Level Output
Voltage
tSP
Fast Mode
0
50
ns
VOL1
VOL2
3 mA Sink
Current
6 mA Sink
Current
0
0
0.4
0.6
10
V
V
Input Current each
I/O Pin
I/O Capacitance
0.4<VI/O<0.9VDD
-10
µA
pF
2
CI/O
10
Temperature
Conversion
E2 Write
Communi-
cation Only
1000
400
100
Active Supply
Current
ICC
µA
µA
3, 4
3, 4
Standby Supply
Current
ISTBY
1
Thermostat Output
(TOUT) Output
Voltage
VOH
VOL
1 mA Source
4 mA Sink
2.4
V
V
0.4
13 of 16
102299
DALLAS [ DALLAS SEMICONDUCTOR ]
