Rainbow Electronics DS1920 - Manual (Page 20)

DS1920
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ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground -0.5V to +7.0V
Operating Temperature -55°C to +100°C
Storage Temperature -55°C to +100°C
∗
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.
DC ELECTRICAL CONDITIONS (-55°C to +100°C)
PARAMETER SYMBOL CONDITION MIN TYP MAX UNITS NOTES
Pull up Voltage V
PUP
I/O Functions
+½°C Accurate
Temperature
Conversions
2.8
4.3
5.0 6.0
6.0
V
V
1,2
Logic 1 V
IH
2.2 V 2
Logic 0 V
IL
-0.3 +0.8 V 2, 10
DC ELECTRICAL CHARACTERISTICS (-55°C to +100°C; V
PUP
=4.3V to 6.0V)
PARAMETER SYMBOL CONDITION MIN TYP MAX UNITS NOTES
0
°
C to + 70
°
C +½
°
C 11
Thermometer
Error t
ERR
-55
°
C to +0
°
C
and + 70
°
C to
+100
°
C
SEE TYPICAL CURVE 11
Active Current I
DD
1000 1500
µ
A 3,4
Input Load
Current I
L
5
µ
A
Output Logic
Low @ 4 mA V
OL
0.4 V 2
CAPACITANCE (T
A
=25°C)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
I/O (1- Wire) C
IN/OUT
800 pF 9
AC ELECTRICAL CHARACTERISTICS; TEMPERATURE CONVERSION AND
COPY SCRATCHPAD
(-55°C to +100°C; V
PUP
=4.3V to 6.0V)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Temperature Conversion t
CONV
0.2 0.5 seconds
Copy Scratchpad t
COPY
10 ms 5